Integrated Taxonomic Information System - Taxon Author Search Results


Expert: Peter Uetz

ITIS records citing expert
 
 Kingdom Animalia
  Ablabes olivaceus Beddome, 1863 -- invalid
  Ablabes periops Günther, 1872 -- invalid
  Ablabes periops praefrontalis Mocquard, 1890 -- invalid
  Ablepharus alaicus Elpatjevsky, 1901 -- valid -- Alai Ground Skink
  Ablepharus alaicus alaicus Elpatjevsky, 1901 -- valid
  Ablepharus alaicus kucenkoi Nikolsky, 1902 -- valid
  Ablepharus alaicus yakovlevae (Eremchenko, 1983) -- valid
  Ablepharus bivittatus (Menetries, 1832) -- valid -- Twin-striped Skink, Two-Streaked Snake-Eyed Skink
  Ablepharus budaki Göcmen, Kumlutas and Tosunoglu, 1996 -- valid
  Ablepharus budaki anatolicus Schmidtler, 1997 -- invalid
  Ablepharus chernovi Darevsky, 1953 -- valid -- Chernov's Skink
  Ablepharus chernovi chernovi Darevsky, 1953 -- valid
  Ablepharus chernovi eiselti Schmidtler, 1997 -- valid
  Ablepharus chernovi isauriensis Schmidtler, 1997 -- valid
  Ablepharus chernovi ressli Schmidtler, 1997 -- valid
  Ablepharus darvazi Eremchenko and Panfilov, 1990 -- valid
  Ablepharus deserti Strauch, 1868 -- valid -- Desert Lidless Skink
  Ablepharus grayanus (Stoliczka, 1872) -- valid -- Minor Snake-eyed Skink
  Ablepharus himalayanus (Günther, 1864) -- valid -- Himalaya Ground Skink
  Ablepharus kitaibelii (Bibron and Bory de Saint-Vincent, 1833) -- valid -- Juniper Skink, Snake-eyed Skink
  Ablepharus kitaibelii fabichi Stepanek, 1937 -- valid
  Ablepharus kitaibelii fitzingeri Mertens, 1952 -- valid
  Ablepharus kitaibelii kitaibelii (Bibron and Bory de Saint-Vincent, 1833) -- valid
  Ablepharus kitaibelii stepaneki Fuhn, 1970 -- valid
  Ablepharus ladacensis (Günther, 1864) -- valid -- Ladak Ground Skink
  Ablepharus ladacensis ladacensis (Günther, 1864) -- valid
  Ablepharus ladacensis stimsoni (Eremchenko, 1992) -- valid
  Ablepharus lindbergi Wettstein, 1960 -- valid -- Lindberg's Snake-Eyed Skink, Lindberg's Twin-striped Skink
  Ablepharus mahabharatus (Eremchenko, Shah and Panfilov, 1998) -- valid -- Mahabharat Ground Skink
  Ablepharus nepalensis (Eremchenko and Helfenberger, 1998) -- valid -- Nepal Ground Skink
  Ablepharus pannonicus (Lichtenstein, 1823) -- valid -- Asian Snake-eyed Skink
  Ablepharus rueppellii (Gray, 1839) -- valid -- Rueppel's Snake-eyed Skink
  Ablepharus rueppellii festae Peracca, 1894 -- valid
  Ablepharus rueppellii rueppellii (Gray, 1839) -- valid
  Ablepharus sikimmensis (Blyth, 1854) -- valid -- Bronzy-brown Skink, Sikkim Ground Skink
  Ablepharus tragbulensis (Alcock, 1898) -- valid -- Tragbul Ground Skink
  Abronia anzuetoi Campbell and Frost, 1993 -- valid -- Anzuetoi Arboreal Alligator Lizard
  Abronia aurita (Cope, 1868) -- valid -- Cope's Arboreal Alligator Lizard
  Abronia bogerti Tihen, 1954 -- valid -- Bogert's Arboreal Alligator Lizard, Lagarto alicante de Bogert
  Abronia campbelli Brodie and Savage, 1993 -- valid -- Campbell's Alligator Lizard
  Abronia chiszari Smith and Smith, 1981 -- valid -- Chiszar's Arboreal Alligator Lizard, Lagarto alicante de Chiszar
  Abronia deppii (Wiegmann, 1828) -- valid -- Deppe's Arboreal Alligator Lizard
  Abronia fimbriata (Cope, 1885) -- valid
  Abronia frosti Campbell, Sasa, Aceedo and Mendelson, 1998 -- valid -- Frost's Arboreal Alligator Lizard
  Abronia fuscolabialis (Tihen, 1944) -- valid -- Escorpión Arboricola del Zempoaltepec, Lagarto alicante de Zempoaltepec, Mount Zempoaltepec Arboreal Alligator Lizard
  Abronia gaiophantasma Campbell and Frost, 1993 -- valid -- Brilliant Arboreal Alligator Lizard
  Abronia graminea (Cope, 1864) -- valid -- Lagarto alicante terrestre, Sierra de Tehuacan Arboreal Alligator Lizard, Terrestrial Arboreal Alligator Lizard
  Abronia leurolepis Campbell and Frost, 1993 -- valid -- Flat-scaled Arboreal Alligator Lizard, Smoothback Arboreal Alligator Lizard
  Abronia lythrochila Smith and Alvarez del Toro, 1963 -- valid -- Lagarto alicante labios rojos, Red-lipped Arboreal Alligator Lizard
  Abronia martindelcampoi Flores-Villela and Sánchez-H., 2003 -- valid -- Martín del Campo's Arboreal Alligator Lizard
  Abronia matudai (Hartweg and Tihen, 1946) -- valid -- Lagarto alicante rayado, Matuda's Arboreal Alligator Lizard
  Abronia meledona Campbell and Brodie, 1999 -- valid
  Abronia mitchelli Campbell, 1982 -- valid -- Lagarto alicante de Mitchell, Mitchell's Arboreal Alligator Lizard
  Abronia mixteca Bogert and Porter, 1967 -- valid -- Lagarto alicante mixteco, Mixtecan Arboreal Alligator Lizard
  Abronia montecristoi Hidalgo, 1983 -- valid -- Montecristo Arboreal Alligator Lizard
  Abronia oaxacae (Günther, 1885) -- valid -- Lagarto alicante oaxaqueño, Oaxacan Arboreal Alligator Lizard
  Abronia ochoterenai (Martín del Campo, 1939) -- valid -- Lagarto alicante verde, Northern Chiapas Arboreal Alligator Lizard, Ochoterena's Arboreal Alligator Lizard
  Abronia ornelasi Campbell, 1984 -- valid -- Cerro Baul Alligator Lizard, Lagarto alicante de Cerro Baúl, Ornelas's Arboreal Alligator Lizard
  Abronia ramirezi Campbell, 1994 -- valid -- Ramirez's Alligator Lizard
  Abronia reidi Werler and Shannon, 1961 -- valid -- Lagarto alicante de Reid, Reid's Arboreal Alligator Lizard
  Abronia salvadorensis Hidalgo, 1983 -- valid -- Salvador Arboreal Alligator Lizard
  Abronia smithi Campbell and Frost, 1993 -- valid -- Smith's Arboreal Alligator Lizard
  Abronia taeniata (Wiegmann, 1828) -- valid -- Banded Arboreal Alligator Lizard, Bromeliad Arboreal Alligator Lizard, Lagarto alicante de bromelia
  Abronia vasconcelosii (Bocourt, 1872) -- valid
  Acanthodactylus aegyptius Baha El Din, 2007 -- valid
  Acanthodactylus ahmaddisii Werner, 2004 -- valid
  Acanthodactylus arabicus Boulenger, 1918 -- valid -- Arabian Fringe-fingered Lizard
  Acanthodactylus aureus Günther, 1903 -- valid -- Golden Fringe-fingered Lizard
  Acanthodactylus bedriagai Lataste, 1881 -- valid -- Bedriaga's Fringe-fingered Lizard
  Acanthodactylus beershebensis Moravec, El Din, Seligmann, Sivan and Werner, 1999 -- valid
  Acanthodactylus blanci Doumergue, 1901 -- valid -- White Fringe-fingered Lizard
  Acanthodactylus blanfordii Boulenger, 1918 -- valid -- Blanford's Fringe-fingered Lizard
  Acanthodactylus boskianus (Daudin, 1802) -- valid -- Bosc's Fringe-toed lizard, Bosk's Fringe-fingered Lizard
  Acanthodactylus boskianus asper (Audouin, 1829) -- valid
  Acanthodactylus boskianus boskianus (Daudin, 1802) -- valid
  Acanthodactylus boskianus euphraticus Boulenger, 1919 -- valid
  Acanthodactylus boskianus khattensis J.-F. Trapé and S. Trapé, 2012 -- invalid
  Acanthodactylus boskianus nigeriensis Trapé, Chirio and Geniez, 2012 -- invalid
  Acanthodactylus boueti Chabanaud, 1917 -- valid -- Chabanaud's Fringe-fingered Lizard
  Acanthodactylus busacki Salvador, 1982 -- valid
  Acanthodactylus cantoris Günther, 1864 -- valid -- Indian Fringe-fingered Lizard
  Acanthodactylus dumerilii (Milne-Edwards, 1829) -- valid -- Duméril's Fringe-fingered Lizard
  Acanthodactylus erythrurus (Schinz, 1833) -- valid -- Fringe-fingered Lizard
  Acanthodactylus erythrurus atlanticus Boulenger, 1918 -- valid
  Acanthodactylus erythrurus belli Gray, 1845 -- valid
  Acanthodactylus erythrurus erythrurus (Schinz, 1833) -- valid
  Acanthodactylus felicis Arnold, 1980 -- valid -- Cat Fringe-fingered Lizard, South Arabian Fringe-toed Lizard
  Acanthodactylus gongrorhynchatus Leviton and Anderson, 1967 -- valid -- Saudi Fringe-fingered Lizard
  Acanthodactylus grandis Boulenger, 1909 -- valid -- Giant Fringe-fingered Lizard
  Acanthodactylus guineensis (Boulenger, 1887) -- valid -- Guinea Fringe-fingered Lizard
  Acanthodactylus haasi Leviton and Anderson, 1967 -- valid -- Haas' Fringe-fingered Lizard, Haas's Fringe-toed Lizard
  Acanthodactylus hardyi Haas, 1957 -- valid -- Hardy's Fringe-fingered Lizard
  Acanthodactylus harranensis Baran, Kumlutas, Lanza, Sindaco, Avci and Crucitti, 2005 -- valid
  Acanthodactylus ilgazi Kurnaz and Sahin, 2021 -- valid
  Acanthodactylus khamirensis Heidari, Rastegar-Pouyani, Rastegar-Pouyani and Rajabizadeh, 2013 -- valid
  Acanthodactylus lineomaculatus Duméril and Bibron, 1839 -- invalid
  Acanthodactylus longipes Boulenger, 1918 -- valid -- Long Fringe-fingered Lizard
  Acanthodactylus maculatus (Gray, 1838) -- valid -- Spotted Fringe-fingered Lizard
  Acanthodactylus masirae Arnold, 1980 -- valid -- Masira Fringe-fingered Lizard
  Acanthodactylus micropholis Blanford, 1874 -- valid -- Yellowtail Fringe-fingered Lizard
  Acanthodactylus nilsoni Rastegar-Pouyani, 1998 -- valid -- Nilson's Spiny-Toed Lizard
  Acanthodactylus opheodurus Arnold, 1980 -- valid -- Arnold's Fringe-fingered Lizard, Snake-tailed Fringe-toed Lizard
  Acanthodactylus orientalis Angel, 1936 -- valid
  Acanthodactylus pardalis (Lichtenstein, 1823) -- valid -- Egyptian Fringe-fingered Lizard
  Acanthodactylus robustus Werner, 1929 -- valid -- Robust Fringe-fingered Lizard
  Acanthodactylus savignyi (Audouin, 1827) -- valid -- Savigny's Fringe-fingered Lizard
  Acanthodactylus schmidti Haas, 1957 -- valid -- Schmidt's Fringe-fingered Lizard, Schmidt's Fringe-toed Lizard
  Acanthodactylus schreiberi Boulenger, 1878 -- valid -- Schreiber's Fringe-fingered Lizard
  Acanthodactylus schreiberi ataturi Yalçinkaya and Göçmen, 2012 -- invalid
  Acanthodactylus schreiberi syriacus Boettger, 1878 -- invalid
  Acanthodactylus scutellatus (Audouin, 1827) -- valid -- Nidua Fringe-fingered Lizard
  Acanthodactylus scutellatus audouini Boulenger, 1918 -- valid
  Acanthodactylus scutellatus scutellatus (Audouin, 1827) -- valid
  Acanthodactylus senegalensis Chabanaud, 1918 -- valid
  Acanthodactylus spinicauda Doumergue, 1901 -- valid -- Doumergue's Fringe-fingered Lizard
  Acanthodactylus taghitensis Geniez and Foucart, 1995 -- valid
  Acanthodactylus tilburyi Arnold, 1986 -- valid -- Tilbury's Fringe-fingered Lizard
  Acanthodactylus tristrami (Günther, 1864) -- valid -- Lebanon Fringe-fingered Lizard
  Acanthodactylus yemenicus Salvador, 1982 -- valid -- Yemen Fringe-fingered Lizard
  Achalinus ater Bourret, 1937 -- valid -- Bourret's Odd-scaled Snake
  Achalinus formosanus Boulenger, 1908 -- valid -- Formosa Odd-scaled Snake
  Achalinus formosanus chigirai Ota and Toyama, 1989 -- valid
  Achalinus formosanus formosanus Boulenger, 1908 -- valid
  Achalinus hainanus Huang, 1975 -- valid -- Hainan Odd-scaled Snake
  Achalinus jinggangensis (Zong and Ma, 1983) -- valid -- Zong's Odd-scaled Snake
  Achalinus meiguensis Hu and Zhao, 1966 -- valid -- Szechwan Odd-scaled Snake
  Achalinus niger Maki, 1931 -- valid -- Black Odd-scaled Snake
  Achalinus rufescens Boulenger, 1888 -- valid -- Boulenger's Odd-scaled Snake
  Achalinus spinalis Peters, 1869 -- valid -- Japanese Odd-scaled Snake, Peters' Odd-scaled Snake
  Achalinus werneri Van Denburgh, 1912 -- valid -- Amami Odd-scaled Snake
  Acontias aurantiacus (Peters, 1854) -- valid
  Acontias aurantiacus aurantiacus (Peters, 1854) -- valid
  Acontias aurantiacus bazarutoensis (Broadley, 1990) -- valid
  Acontias aurantiacus carolinensis (Broadley, 1990) -- valid
  Acontias bicolor (Hewitt, 1929) -- valid
  Acontias breviceps Essex, 1925 -- valid -- Shorthead Lance Skink, Shortheaded Legless Skink
  Acontias cregoi (Boulenger, 1903) -- valid -- Cregoe's Legless Skink
  Acontias gariepensis (Fitzsimons, 1941) -- valid -- Mier Kalahari Legless Skink
  Acontias gracilicauda Essex, 1925 -- valid -- Slendertail Lance Skink, Thin-tailed Legless Skink
  Acontias jappi (Broadley, 1968) -- valid -- Barotseland Blind Legless Skink, Japp's Burrowing Skink
  Acontias kgalagadi Lamb, Biswas and Bauer, 2010 -- valid -- Kalahari Burrowing Skink, Kgalagadi Legless Skink
  Acontias lineatus Peters, 1879 -- valid -- Lined Lance Skink, Striped Dwarf Legless Skink
  Acontias litoralis Broadley and Greer, 1969 -- valid -- Coastal Dwarf Legless Skink
  Acontias meleagris (Linnaeus, 1758) -- valid -- Cape Legless Skink, Erdslang, Golden Sand Skink, Linnaeus' Lance Skink, Spotted Slow Skink, Thick-tailed Blindworm
  Acontias namaquensis Hewitt, 1937 -- valid -- Namaqua Lance Skink, Namaqua Legless Skink
  Acontias occidentalis Fitzsimons, 1941 -- valid -- Savanna Legless Skink, Western Burrowing Skink
  Acontias orientalis Hewitt, 1937 -- valid -- Eastern Cape Legless Skink, Eastern Striped Blindworm
  Acontias percivali Loveridge, 1935 -- valid -- Percival's Lance Skink, Teita Limbless Skink
  Acontias percivali tasmani Hewitt, 1937 -- invalid -- Tasman's Blindworrn, Tasman's Legless Skink
  Acontias plumbeus Bianconi, 1849 -- valid -- Giant Lance Skink, Giant Legless Skinks
  Acontias poecilus Bourquin and Lambiris, 1996 -- invalid
  Acontias richardi (Jacobsen, 1987) -- valid -- Richard's Legless Skink
  Acontias rieppeli Lamb, Biswas and Bauer, 2010 -- valid -- Wood-bush Legless Skink
  Acontias schmitzi Wagner, Broadley and Bauer, 2012 -- valid
  Acontias tristis Werner, 1910 -- valid -- Namaqualand Dwarf Legless Skink
  Acrantophis dumerili Jan in Jan and Sordelli, 1860 -- valid
  Acrantophis madagascariensis (A. M. C. Duméril and Bibron, 1844) -- valid
  Acratosaura mentalis (Amaral, 1933) -- valid -- Amaral's Colobosaura
  Acratosaura spinosa Rodrigues, Cassimiro, de Freitas and Santos Silva, 2009 -- valid -- Spiny Colobosaura
  Acutotyphlops banaorum Wallach, Brown, Diesmos and Gee, 2007 -- valid
  Acutotyphlops infralabialis (Waite, 1918) -- valid -- Red Blind Snake
  Acutotyphlops kunuaensis Wallach, 1995 -- valid -- Kunua Blind Snake
  Acutotyphlops solomonis (Parker, 1939) -- valid
  Acutotyphlops subocularis (Waite, 1897) -- valid -- Bismarck Sharp-nosed Blindsnake
  Adelophis Dugès, 1879 -- valid
  Adelophis copei Dugès, 1879 -- valid -- Cope's Mountain Meadow Snake, Culebra-de vega de Cope
  Adelophis foxi Rossman and Blaney, 1968 -- valid -- Culebra-de vega de Fox, Fox's Mountain Meadow Snake
  Adelphicos daryi Campbell and Ford, 1982 -- valid -- Dary's Burrowing Snake
  Adelphicos ibarrorum Campbell and Brodie, 1988 -- valid
  Adelphicos latifasciatum Lynch and H. M. Smith, 1966 -- valid -- Oaxacan Burrowing Snake
  Adelphicos nigrilatum H. M. Smith, 1942 -- valid -- Burrowing Snake
  Adelphicos quadrivirgatum Jan, 1862 -- valid -- Middle American Burrowing Snake
  Adelphicos quadrivirgatum newmanorum Taylor, 1950 -- invalid
  Adelphicos quadrivirgatum sargii (Fischer, 1885) -- invalid
  Adelphicos quadrivirgatum visoninus (Cope, 1866) -- invalid
  Adelphicos veraepacis Stuart, 1941 -- valid -- Stuart's Burrowing Snake
  Adercosaurus vixadnexus Myers and Donnelly, 2001 -- valid
  Adolfus africanus (Boulenger, 1906) -- valid -- Green-bellied Forest Lizard, Multi-scaled Forest Lizard
  Adolfus alleni (Barbour, 1914) -- valid -- Alpine Meadow Lizard
  Adolfus jacksoni (Boulenger, 1899) -- valid -- Jackson's Forest Lizard
  Aeluroglena cucullata Boulenger, 1898 -- valid -- Somali Snake
  Afroablepharus africanus (Gray, 1845) -- invalid
  Afroablepharus annobonensis (Fuhn, 1972) -- invalid
  Afroablepharus duruarum (Monard, 1949) -- invalid
  Afroablepharus maculicollis (Jacobson and Broadley, 2000) -- invalid
  Afroablepharus seydeli (De Witte, 1933) -- invalid
  Afroablepharus wahlbergi (Smith, 1849) -- invalid
  Afroablepharus wahlbergii (Smith, 1849) -- invalid
  Afroablepharus wilsoni (Werner, 1914) -- invalid
  Afronatrix Rossman and Eberle, 1977 -- valid
  Afronatrix anoscopus (Cope, 1861) -- valid -- African Brown Water Snake
  Afrotyphlops angolensis (Bocage, 1866) -- valid -- Angola Blind Snake
  Afrotyphlops bibronii (A. Smith, 1846) -- valid -- Bibron's Blind Snake
  Afrotyphlops blanfordii (Boulenger, 1889) -- valid -- Blanford's Blind-snake
  Afrotyphlops congestus (A. M. C. Duméril and Bibron, 1844) -- valid -- Blotched Blind Snake
  Afrotyphlops fornasinii (Bianconi, 1847) -- valid -- Fornasini's Blind Snake
  Afrotyphlops gierrai (Mocquard, 1897) -- valid -- Usambara Spotted Worm Snake
  Afrotyphlops kaimosae (Loveridge, 1935) -- valid -- Kakamega Blind-snake
  Afrotyphlops lineolatus (Jan, 1864) -- valid -- Common Lined Worm Snake, Lineolate Blind Snake
  Afrotyphlops nanus Broadley and Wallach, 2009 -- valid -- Kenyan Dwarf Blind-snake
  Afrotyphlops nigrocandidus (Broadley and Wallach, 2000) -- valid
  Afrotyphlops punctatus (Leach, 1819) -- valid -- Spotted Blind Snake
  Afrotyphlops rondoensis (Loveridge, 1942) -- valid -- Rondo Worm Snake
  Afrotyphlops schmidti (Laurent, 1956) -- valid -- Schmidt's blind-snake
  Afrotyphlops schmidti laurenti (Wallach, 2003) -- valid
  Afrotyphlops schmidti schmidti (Laurent, 1956) -- valid
  Afrotyphlops steinhausi (Werner, 1909) -- valid -- Steinhaus' Worm Snake
  Afrotyphlops tanganicanus (Laurent, 1964) -- valid -- Liwale Blind-snake
  Afrotyphlops usambaricus (Laurent, 1964) -- valid -- Usambara Blind-snake
  Agamodon anguliceps Peters, 1882 -- valid -- Angled Worm Lizard
  Agamodon anguliceps anguliceps Peters, 1882 -- valid
  Agamodon anguliceps immaculatus Calabresi, 1927 -- valid
  Agamodon arabicus Anderson, 1901 -- valid -- Arabian Worm Lizard
  Agamodon compressus Mocquard, 1888 -- valid -- Flat Worm Lizard
  Agkistrodon bilineatus Günther, 1863 -- valid -- Cantil enjaquimado, Mexican Moccasin
  Agkistrodon contortrix (Linnaeus, 1766) -- valid -- Cantil cobrizo, Copperhead, Eastern Copperhead
  Agkistrodon contortrix contortrix (Linnaeus, 1766) -- valid -- Southern Copperhead
  Agkistrodon contortrix laticinctus Gloyd and Conant, 1934 -- invalid -- Broad-banded Copperhead
  Agkistrodon contortrix mokasen Palisot de Beauvois, 1799 -- valid -- Northern Copperhead
  Agkistrodon contortrix phaeogaster Gloyd, 1969 -- valid -- Osage Copperhead
  Agkistrodon contortrix pictigaster Gloyd and Conant, 1943 -- valid -- Trans-Pecos Copperhead
  Agkistrodon howardgloydi Conant, 1984 -- valid -- Gloyd's Moccasin
  Agkistrodon piscivorus (Lacépède, 1789) -- valid -- Cottonmouth, Northern Cottonmouth
  Agkistrodon piscivorus conanti Gloyd, 1969 -- invalid -- Florida Cottonmouth
  Agkistrodon piscivorus leucostoma (Troost, 1836) -- valid -- Western Cottonmouth
  Agkistrodon piscivorus piscivorus (Lacépède, 1789) -- valid -- Eastern Cottonmouth, Northern Cottonmouth
  Agkistrodon russeolus Gloyd, 1972 -- valid -- Cantil, Mexican Moccasin
  Agkistrodon taylori Burger and Robertson, 1951 -- valid -- Mexican Moccasin
  Ahaetulla dispar (Günther, 1864) -- valid -- Günther's Vine Snake, Indian Bronzeback
  Ahaetulla fasciolata (Fischer, 1885) -- valid -- Speckle-headed Whipsnake, Spotted Whipsnake
  Ahaetulla fronticincta (Günther, 1858) -- valid -- Burmese Vine Snake, Günther's Whipsnake
  Ahaetulla mycterizans (Linnaeus, 1758) -- valid -- Malayan Whipsnake
  Ahaetulla nasuta (Lacépède, 1789) -- valid -- Green Vine Snake, Long-nosed Tree Snake, Long-nosed Whip Snake
  Ahaetulla perroteti (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Western Ghats Bronzeback
  Ahaetulla prasina (F. Boie, 1827) -- valid -- Asian Vine Snake, Gunther's Whip Snake, Jade Vine Snake, Oriental Whipsnake
  Ahaetulla prasina medioxima Lazell, 2002 -- valid
  Ahaetulla prasina prasina (F. Boie, 1827) -- valid
  Ahaetulla prasina preocularis (Taylor, 1922) -- valid
  Ahaetulla prasina suluensis Gaulke, 1994 -- valid
  Ahaetulla pulverulenta (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Brown-speckled Whipsnake
  Alexandresaurus camacan Rodrigues, Pellegrino, Dixo, Verdade, Pavan, Argolo and Sites, 2007 -- valid -- Alexandre's Lizard
  Algyroides fitzingeri (Wiegmann, 1834) -- valid -- Fitzinger's Algyroides
  Algyroides marchi Valverde, 1958 -- valid -- Spanish Keeled Lizard
  Algyroides marchi niethammeri Buchholz, 1965 -- invalid
  Algyroides moreoticus Bibron and Bory, 1833 -- valid -- Greek Keeled Lizard
  Algyroides nigropunctatus (Duméril and Bibron, 1839) -- valid -- Blue-throated Keeled Lizard
  Algyroides nigropunctatus kephallithacius Keymar, 1986 -- valid
  Algyroides nigropunctatus nigropunctatus (Duméril and Bibron, 1839) -- valid
  Alinea berengerae (Miralles, 2006) -- invalid
  Alinea lanceolata (Cope, 1863) -- valid -- Barbados Skink
  Alinea luciae (Garman, 1887) -- valid -- Saint Lucia Skink
  Alinea pergravis (Barbour, 1921) -- invalid
  Alluaudina bellyi Mocquard, 1894 -- valid
  Alluaudina mocquardi Angel, 1939 -- valid
  Alopoglossus angulatus (Linnaeus, 1758) -- valid -- Northern Teiid
  Alopoglossus atriventris Duellman, 1973 -- valid -- Keel-Bellied Shade Lizard
  Alopoglossus buckleyi (O'Shaughnessy, 1881) -- valid -- Buckley's Teiid
  Alopoglossus copii Boulenger, 1885 -- valid -- Drab Shade Lizard
  Alopoglossus festae Peracca, 1904 -- invalid
  Alopoglossus lehmanni Ayala and Harris, 1984 -- valid
  Alpinoscincus alpinus (Greer, Allison and Cogger, 2005) -- valid
  Alpinoscincus subalpinus (Greer, Allison and Cogger, 2005) -- valid
  Alsophis antiguae Parker, 1933 -- valid -- Antiguan Racer
  Alsophis antillensis (Schlegel, 1837) -- valid -- Antilles Racer, Leeward Racer
  Alsophis danforthi Cochran, 1938 -- valid
  Alsophis manselli Parker, 1933 -- valid -- Montserrat Racer
  Alsophis rijgersmaei Cope, 1869 -- valid -- Anguilla Racer, Antilles Racer, Leeward Islands Racer
  Alsophis rufiventris (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Orange-bellied Racer, Saba Racer
  Alsophis sajdaki Henderson, 1990 -- valid
  Alsophis sanctonum Barbour, 1915 -- valid
  Alsophis sibonius Cope, 1879 -- valid -- Dominican Racer
  Amapasaurus tetradactylus Cunha, 1970 -- valid -- Four-toed Amapasaurus
  Amastridium veliferum Cope, 1861 -- valid -- Culebra cabeza cobriza, Rustyhead Snake
  Amastridium veliferum sapperi (Werner, 1903) -- invalid
  Amblyodipsas concolor (A. Smith, 1849) -- valid -- Natal Purple-glossed Snake
  Amblyodipsas dimidiata (Günther, 1888) -- valid -- Mpwapwa Purple-glossed Snake
  Amblyodipsas katangensis de Witte and Laurent, 1942 -- valid -- Katanga Purple-glossed Snake
  Amblyodipsas katangensis ionidesi Loveridge, 1951 -- valid
  Amblyodipsas katangensis katangensis de Witte and Laurent, 1942 -- valid
  Amblyodipsas microphthalma (Bianconi, 1852) -- valid -- Eastern Purple-glossed Snake
  Amblyodipsas microphthalma microphthalma (Bianconi, 1852) -- valid
  Amblyodipsas microphthalma nigra Jacobsen, 1986 -- valid
  Amblyodipsas polylepis (Bocage, 1873) -- valid -- Common Purple-glossed Snake
  Amblyodipsas polylepis hildebrandtii (Peters, 1877) -- valid -- Common Purple-glossed Snake
  Amblyodipsas polylepis polylepis (Bocage, 1873) -- valid -- Common Purple-glossed Snake
  Amblyodipsas rodhaini (de Witte, 1930) -- valid -- Rodhain's Purple-glossed Snake
  Amblyodipsas teitana Broadley, 1971 -- valid -- Teitana Purple-glossed Snake
  Amblyodipsas unicolor (Reinhardt, 1843) -- valid -- Dull Purple-glossed Snake, Western Purple-glossed Snake
  Amblyodipsas ventrimaculata (Roux, 1907) -- valid -- Kalahari Purple-glossed Snake
  Ameiva aggerecusans Koch, Venegas, Rödder, Flecks and Böhme, 2013 -- valid
  Ameiva ameiva (Linnaeus, 1758) -- valid -- Amazon Racerunner, Giant Ameiva, Neotropical Ameiva, South American Ground Lizard, Zandolie
  Ameiva atrata Garman, 1887 -- invalid
  Ameiva atrigularis Garman, 1887 -- valid -- Amazon Racerunner, Giant Ameiva, Venezuelan Ameiva
  Ameiva auberi Cocteau, 1838 -- invalid
  Ameiva auberi abducta Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi atrothorax Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi behringensis Lee and Schwartz, 1985 -- invalid
  Ameiva auberi bilateralis McCoy in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi cacuminis Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi citra Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi denticola Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi extorris Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi extraria Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi felis McCoy in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi focalis McCoy in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi galbiceps Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi garridoi Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi gemmea Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi granti Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi hardyi Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi kingi McCoy in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi llanensis Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi marcida Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi multilineata McCoy in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi nigriventris Gali and Garrido, 1987 -- invalid
  Ameiva auberi obsoleta McCoy in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi orlandoi Schwartz and McCoy, 1975 -- invalid
  Ameiva auberi parvinsulae Lee and Schwartz, 1985 -- invalid
  Ameiva auberi paulsoni Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi peradusta Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi procer Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi pullata Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi richmondi McCoy in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi sabulicolor Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi sanfelipensis Garrido, 1975 -- invalid
  Ameiva auberi schwartzi Gali and Garrido, 1987 -- invalid
  Ameiva auberi secta Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi sideroxylon Lee and Schwartz, 1985 -- invalid
  Ameiva auberi sublesta Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi ustulata Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva auberi vulturnus Lee and Schwartz, 1985 -- invalid
  Ameiva auberi zugi Schwartz in Schwartz and McCoy, 1970 -- invalid
  Ameiva bifrontata Cope, 1862 -- valid -- Cope's Ameiva, Khaki Ameiva
  Ameiva bifrontata bifrontata Cope, 1862 -- valid
  Ameiva bifrontata divisa (Fischer, 1879) -- valid
  Ameiva bifrontata insulana Ruthven, 1924 -- valid
  Ameiva chrysolaema Cope, 1868 -- invalid
  Ameiva chrysolaema alacris Schwartz and Klinikowski, 1966 -- invalid
  Ameiva chrysolaema boekeri Mertens, 1938 -- invalid
  Ameiva chrysolaema defensor Schwartz and Klinikowski, 1966 -- invalid
  Ameiva chrysolaema evulsa Schwartz, 1973 -- invalid
  Ameiva chrysolaema ficta Schwartz and Klinikowski, 1966 -- invalid
  Ameiva chrysolaema jacta Schwartz and Klinikowski, 1966 -- invalid
  Ameiva chrysolaema parvoris Schwartz and Klinikowski, 1966 -- invalid
  Ameiva chrysolaema procax Schwartz and Klinikowski, 1966 -- invalid
  Ameiva chrysolaema quadrijugis Schwartz, 1968 -- invalid
  Ameiva chrysolaema richardthomasi Schwartz and Klinikowski, 1966 -- invalid
  Ameiva chrysolaema secessa Schwartz and Klinikowski, 1966 -- invalid
  Ameiva chrysolaema umbratilis Schwartz and Klinikowski, 1966 -- invalid
  Ameiva chrysolaema woodi Cochran, 1934 -- invalid
  Ameiva cineracea Barbour and Noble, 1915 -- invalid
  Ameiva concolor Ruthven, 1924 -- valid
  Ameiva corax Censky and Paulson, 1992 -- invalid
  Ameiva corvina Cope, 1861 -- invalid
  Ameiva dorsalis Gray, 1838 -- invalid
  Ameiva erythrocephala (Shaw, 1802) -- invalid
  Ameiva fuscata Garman, 1887 -- invalid
  Ameiva griswoldi Barbour, 1916 -- invalid
  Ameiva jacuba Giugliano, Nogueira, Valdujo, Collevatti and Colli, 2013 -- valid
  Ameiva lineolata Duméril and Bibron, 1839 -- invalid
  Ameiva lineolata beatensis Noble, 1923 -- invalid
  Ameiva lineolata meracula Schwartz, 1966 -- invalid
  Ameiva lineolata perplicata Schwartz, 1966 -- invalid
  Ameiva lineolata privigna Schwartz, 1966 -- invalid
  Ameiva lineolata semota Schwartz, 1966 -- invalid
  Ameiva major Duméril and Bibron, 1839 -- invalid
  Ameiva maynardi Garman, 1888 -- invalid
  Ameiva maynardi parvinaguae Barbour and Shreve, 1936 -- invalid
  Ameiva maynardi uniformis Noble and Klingel, 1932 -- invalid
  Ameiva nodam Koch, Venegas, Rödder, Flecks and Böhme, 2013 -- valid
  Ameiva pantherina Ugueto and Harvey, 2011 -- valid
  Ameiva parecis (Colli, Costa, Garda, Kopp, Mesquita, Péres, Valdujo, Vieira and Wiederhecker, 2003) -- valid
  Ameiva plei Duméril and Bibron, 1839 -- invalid
  Ameiva pluvianotata Garman, 1887 -- invalid
  Ameiva polops Cope, 1862 -- invalid -- St. Croix Ground Lizard
  Ameiva praesignis (Baird and Girard, 1852) -- valid -- Amazon Racerunner, Dusky Giant Ameiva, Giant Ameiva
  Ameiva provitaae García-Pérez, 1995 -- valid
  Ameiva taeniura Cope, 1862 -- invalid
  Ameiva taeniura aequorea Schwartz, 1967 -- invalid
  Ameiva taeniura azuae Schwartz, 1967 -- invalid
  Ameiva taeniura ignobilis Schwartz, 1967 -- invalid
  Ameiva taeniura meyerabichi Mertens, 1950 -- invalid
  Ameiva taeniura pentamerinthus Schwartz, 1968 -- invalid
  Ameiva taeniura regnatrix Schwartz, 1967 -- invalid
  Ameiva taeniura tofacea Schwartz, 1967 -- invalid
  Ameiva taeniura vafra Schwartz, 1967 -- invalid
  Ameiva taeniura varica Schwartz, 1967 -- invalid
  Ameiva taeniura vulcanalis Schwartz, 1967 -- invalid
  Ameiva wetmorei Stejneger, 1913 -- invalid -- Blue-tailed Ground Lizard
  Ameivula abaetensis (Reis Dias, Rocha and Vrcibradic, 2002) -- invalid
  Ameivula abalosi (Cabrera, 2012) -- valid
  Ameivula confusioniba (Arias, de Carvalho, Rodrigues and Zaher, 2011) -- valid
  Ameivula cyanura (Arias, de Carvalho, Rodrigues and Zaher, 2011) -- invalid
  Ameivula jalapensis (Colli, Giugliano, Mesquita and Franca, 2009) -- valid
  Ameivula littoralis (Rocha, Bamberg Araújo, Vrcibradic and Mamede da Costa, 2000) -- invalid
  Ameivula mumbuca (Colli, Caldwell, Costa, Gainsbury, Garda, Mesquita, Filho, Soares, Silva, Valdujo et al., 2003) -- valid
  Ameivula nativo (Rocha, Bergallo and Peccinini-Seale, 1997) -- valid
  Ameivula nigrigula (Arias, de Carvalho, Rodrigues and Zaher, 2011) -- valid
  Ameivula ocellifera (Spix, 1825) -- valid -- Spix's Whiptail
  Ameivula venetacaudus (Arias, de Carvalho, Rodrigues and Zaher, 2011) -- invalid
  Amnesteophis melanauchen (Jan, 1863) -- valid
  Amphiesma A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854 -- valid
  Amphiesma flaviceps A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854 -- invalid
  Amphiesma stolatum (Linnaeus, 1758) -- valid -- Buff Striped Keelback
  Amphiesma vibakari danjoense Toriba, 1986 -- invalid
  Amphiesmoides Malnate, 1961 -- valid
  Amphiesmoides ornaticeps (Werner, 1924) -- valid -- Werner's Ornate Snake
  Amphiglossus alluaudi (Brygoo, 1981) -- invalid
  Amphiglossus andranovahensis (Angel, 1933) -- invalid
  Amphiglossus anosyensis Raxworthy and Nussbaum, 1993 -- invalid
  Amphiglossus ardouini (Mocquard, 1897) -- invalid
  Amphiglossus astrolabi A. M. C. Duméril and Bibron, 1839 -- valid -- Diving Skink
  Amphiglossus crenni (Mocquard, 1906) -- invalid
  Amphiglossus decaryi (Angel, 1930) -- invalid
  Amphiglossus elongatus (Angel, 1933) -- invalid
  Amphiglossus frontoparietalis (Boulenger, 1889) -- invalid
  Amphiglossus gastrostictus (O'Shaughnessy, 1879) -- invalid
  Amphiglossus johannae (Günther, 1880) -- invalid
  Amphiglossus macrocercus (Günther, 1882) -- invalid
  Amphiglossus mandady Andreone and Greer, 2002 -- invalid
  Amphiglossus mandokava Raxworthy and Nussbaum, 1993 -- invalid
  Amphiglossus melanurus (Günther, 1877) -- invalid
  Amphiglossus meva Miralles, Raselimanana, Rakotomalala, Vences and Vieites, 2011 -- invalid
  Amphiglossus ornaticeps (Boulenger, 1896) -- invalid
  Amphiglossus punctatus Raxworthy and Nussbaum, 1993 -- invalid
  Amphiglossus reticulatus (Kaudern, 1922) -- valid
  Amphiglossus spilostichus Andreone and Greer, 2002 -- invalid
  Amphiglossus splendidus (Grandidier, 1872) -- invalid
  Amphiglossus stylus Andreone and Greer, 2002 -- invalid
  Amphiglossus tanysoma Andreone and Greer, 2002 -- invalid
  Amphiglossus tsaratananensis (Brygoo, 1981) -- invalid
  Amphiglossus valhallae (Boulenger, 1909) -- invalid
  Amphisbaena absaberi (Strüssman and Carvalho, 2001) -- valid
  Amphisbaena acrobeles (Ribeiro, Castro-Mello and Nogueira, 2009) -- valid
  Amphisbaena alba Linnaeus, 1758 -- valid -- Red Worm Lizard
  Amphisbaena albocingulata Boettger, 1885 -- valid
  Amphisbaena anaemariae Vanzolini, 1997 -- valid
  Amphisbaena angustifrons Cope, 1861 -- valid -- South American Worm Lizard
  Amphisbaena anomala (Barbour, 1914) -- valid -- Barbour's Worm Lizard
  Amphisbaena arda Rodrigues, 2003 -- valid
  Amphisbaena arenaria Vanzolini, 1991 -- valid
  Amphisbaena bahiana Vanzolini, 1964 -- valid
  Amphisbaena bakeri Stejneger, 1904 -- valid -- Baker's Worm Lizard, Puerto Rican Many-ringed Worm Lizard
  Amphisbaena barbouri Gans and Alexander, 1962 -- valid -- Cuban Many-ringed Amphisbaena, Cuban Many-ringed Worm Lizard
  Amphisbaena bedai (Vanzolini, 1991) -- valid
  Amphisbaena bilabialata (Stimson, 1972) -- valid
  Amphisbaena bolivica Mertens, 1929 -- valid
  Amphisbaena borelli Peracca, 1897 -- valid
  Amphisbaena brasiliana (Gray, 1865) -- valid -- Brazilian Worm Lizard
  Amphisbaena brevis Strüssmann and Mott, 2009 -- valid
  Amphisbaena caeca Cuvier, 1829 -- valid -- Blind Worm Lizard, Common Puerto Rican Worm Lizard, Puerto Rican Worm Lizard
  Amphisbaena camura Cope, 1862 -- valid -- Crooked Worm Lizard
  Amphisbaena carlgansi Thomas and Hedges, 1998 -- valid -- Cuban Pink Amphisbaena, Cuban Pink Worm Lizard
  Amphisbaena carli Pinna, Mendonça, Bocchiglieri and Fernandes, 2010 -- valid
  Amphisbaena carvalhoi Gans, 1965 -- valid -- Carvalho Worm Lizard
  Amphisbaena caudalis Cochran, 1928 -- valid -- Cayemite Long-tailed Amphisbaena, Cayemite Long-tailed Worm Lizard
  Amphisbaena cayemite Thomas, 2006 -- valid -- Cayemite Short-tailed Amphisbaena, Cayemite Short-tailed Worm Lizard
  Amphisbaena cegei Montero, Sáfadez and Álvarez, 1997 -- valid
  Amphisbaena cerradensis (Ribeiro, Vaz-Silva and Santos Jr., 2008) -- invalid
  Amphisbaena crisae Vanzolini, 1997 -- valid
  Amphisbaena cubana Gundlach and Peters, 1879 -- valid -- Cuban Brown Worm Lizard, Cuban Worm Lizard
  Amphisbaena cubana barbouri Gans and Alexander, 1962 -- invalid
  Amphisbaena cuiabana (Strüssman and Carvalho, 2001) -- valid
  Amphisbaena cunhai Hoogmoed and Avila, 1991 -- valid
  Amphisbaena darwinii Duméril and Bibron, 1839 -- valid -- Darwin's Ringed Worm Lizard
  Amphisbaena dubia L. Müller, 1924 -- valid -- Uncertain Worm Lizard
  Amphisbaena fenestrata (Cope, 1861) -- valid -- Cope's Worm Lizard, Virgin Islands Worm Lizard
  Amphisbaena frontalis Vanzolini, 1991 -- valid
  Amphisbaena fuliginosa Linnaeus, 1758 -- valid -- Speckled Worm Lizard
  Amphisbaena gonavensis Gans and Alexander, 1962 -- valid -- Gonave Worm Lizard
  Amphisbaena gonavensis hyporissor Thomas, 1965 -- invalid
  Amphisbaena gonavensis leberi Thomas, 1965 -- invalid
  Amphisbaena gracilis Strauch, 1881 -- valid -- Slender Worm Lizard
  Amphisbaena hastata Vanzolini, 1991 -- valid
  Amphisbaena heathi Schmidt, 1936 -- valid -- Heath's Worm Lizard
  Amphisbaena heterozonata Burmeister, 1861 -- invalid
  Amphisbaena hiata Montero and Céspedez, 2002 -- valid
  Amphisbaena hogei Vanzolini, 1950 -- valid -- Hoge's Worm Lizard
  Amphisbaena hyporissor Thomas, 1965 -- valid -- Barahona Amphisbaena, Barahona Worm Lizard
  Amphisbaena ibijara Rodrigues and Andrade, 2003 -- valid
  Amphisbaena ignatiana Vanzolini, 1991 -- valid
  Amphisbaena infraorbitale (Berthold, 1859) -- invalid
  Amphisbaena innocens Weinland, 1862 -- valid -- Innocent Worm Lizard, Tiburon Worm Lizard
  Amphisbaena kingii (Bell, 1833) -- valid -- King's Worm Lizard
  Amphisbaena kisteumacheri (Porto, Soares and Caramaschi, 2000) -- invalid
  Amphisbaena kraoh (Vanzolini, 1971) -- valid
  Amphisbaena leali Thomas, 2006 -- valid -- Pestel Amphisbaena, Pestel Worm Lizard
  Amphisbaena leeseri Gans, 1964 -- valid -- Urucum Worm Lizard
  Amphisbaena leucocephala Peters, 1878 -- valid -- Whitheaded Worm Lizard
  Amphisbaena lumbricalis Vanzolini, 1996 -- valid
  Amphisbaena manni Barbour, 1914 -- valid -- Hispaniolan Dwarf Worm Lizard, Mann's Worm Lizard
  Amphisbaena maranhensis Gomes and Maciel, 2012 -- valid
  Amphisbaena medemi Gans and Mathers, 1977 -- valid
  Amphisbaena mensae Castro, 2000 -- invalid
  Amphisbaena mertensii Strauch, 1881 -- valid -- Mertens' Worm Lizard
  Amphisbaena microcephalum (Wagler, 1824) -- invalid
  Amphisbaena miringoera Vanzolini, 1971 -- valid
  Amphisbaena mitchelli Procter, 1923 -- valid -- Mitchell's Worm Lizard
  Amphisbaena munoai Klappenbach, 1960 -- valid -- Munoa Worm Lizard
  Amphisbaena myersi Hoogmoed, 1989 -- valid
  Amphisbaena neglecta Dunn and Piatt, 1936 -- valid -- Neglected Worm Lizard
  Amphisbaena nigricauda Gans, 1966 -- valid -- Black-headed Worm Lizard
  Amphisbaena occidentalis Cope, 1876 -- valid -- Western Worm Lizard
  Amphisbaena octostegum (Duméril, 1851) -- invalid
  Amphisbaena pericensis Noble, 1921 -- valid -- Perico Worm Lizard
  Amphisbaena plumbea Gray, 1872 -- valid -- Lead Worm Lizard
  Amphisbaena polygrammica Werner, 1900 -- valid -- Werner's Worm Lizard
  Amphisbaena polystegum (Duméril, 1851) -- invalid
  Amphisbaena pretrei Duméril and Bibron, 1839 -- valid -- Rio Grande Worm Lizard
  Amphisbaena prunicolor (Cope, 1885) -- valid -- Plum-colored Worm Lizard
  Amphisbaena ridleyi Boulenger, 1890 -- valid -- Ridley's Worm Lizard
  Amphisbaena roberti Gans, 1964 -- valid
  Amphisbaena rozei Lancini, 1963 -- valid -- Roze's Worm Lizard
  Amphisbaena sanctaeritae Vanzolini, 1994 -- valid
  Amphisbaena saxosa (Castro-Mello, 2003) -- valid
  Amphisbaena schmidti Gans, 1964 -- valid -- Puerto Rican Dusky Worm Lizard, Schmidt's Worm Lizard
  Amphisbaena scutigera Hemprich, 1820 -- invalid
  Amphisbaena silvestrii Boulenger, 1902 -- valid -- Silvestri's Worm Lizard
  Amphisbaena slateri Boulenger, 1907 -- valid -- Slater's Worm Lizard
  Amphisbaena slevini Schmidt, 1936 -- valid -- Slevin's Worm Lizard
  Amphisbaena spurrelli Boulenger, 1915 -- valid -- Spurrell's Worm Lizard
  Amphisbaena steindachneri Strauch, 1881 -- valid
  Amphisbaena stejnegeri Ruthven, 1922 -- valid -- Stejneger's Worm Lizard
  Amphisbaena supernumeraria Mott, Rodrigues and Dos Santos, 2009 -- valid
  Amphisbaena talisiae Vanzolini, 1995 -- valid
  Amphisbaena townsendi Stejneger, 1911 -- valid
  Amphisbaena trachura Cope, 1885 -- invalid
  Amphisbaena tragorrhectes Vanzolini, 1971 -- valid
  Amphisbaena uroxena Mott, Rodrigues, de Freitas and Silva, 2008 -- valid
  Amphisbaena vanzolinii Gans, 1963 -- valid -- Vanzolini's Worm Lizard
  Amphisbaena varia Laurenti, 1768 -- invalid
  Amphisbaena vermicularis Wagler, 1824 -- valid -- Wagler's Worm Lizard
  Amphisbaena wuchereri (Peters, 1879) -- invalid
  Amphisbaena xera Thomas, 1966 -- valid -- Dry Worm Lizard, North American Worm Lizard, Puerto Rican Dryland Worm Lizard, Puerto Rican Xeric Worm Lizard
  Amphisbaenidae Gray, 1865 -- valid -- Amphisbaenids, Tropical Worm Lizards
  Amplorhinus multimaculatus A. Smith, 1847 -- valid -- Cape Reed Snake, Many-spotted Snake
  Anadia altaserrania Harris and Ayala, 1987 -- valid
  Anadia antioquensis Arredondo, 2013 -- valid
  Anadia bitaeniata Boulenger, 1903 -- valid -- Two-banded Anadia
  Anadia blakei Schmidt, 1932 -- valid -- Blake's Anadia
  Anadia bogotensis (Peters, 1863) -- valid -- Bogota Anadia
  Anadia brevifrontalis (Boulenger, 1903) -- valid -- Shorthead Anadia
  Anadia bumanguesa Rueda-Almonacid and Caicedo, 2004 -- valid
  Anadia escalerae Myers, Rivas and Jadin, 2009 -- valid
  Anadia hobarti La-Marca and García-Pérez, 1990 -- valid -- Hobart's Anadia
  Anadia marmorata (Gray, 1846) -- valid -- Spotted Anadia
  Anadia mcdiarmidi Kok and Rivas, 2011 -- invalid
  Anadia ocellata Gray, 1845 -- valid -- Ocellated Anadia
  Anadia pamplonensis Dunn, 1944 -- valid -- Pamplona Anadia
  Anadia pariaensis Rivas, la Marca and Oliveros, 1999 -- valid
  Anadia petersi Oftedal, 1974 -- valid -- Peters' Anadia
  Anadia pulchella Ruthven, 1926 -- valid -- Ruthven's Anadia
  Anadia rhombifera (Günther, 1859) -- valid -- Rhombifer Anadia
  Anadia steyeri Nieden, 1914 -- valid -- Steyer's Anadia
  Anadia vittata Boulenger, 1913 -- valid -- Boulenger's Anadia
  Anatololacerta anatolica (Werner, 1900) -- valid
  Anatololacerta anatolica aegaea (Eiselt and Schmidtler, 1987) -- invalid
  Anatololacerta danfordi (Günther, 1876) -- valid -- Danford's Lizard
  Anatololacerta danfordi bileki (Eiselt and Schmidtler, 1987) -- invalid
  Anatololacerta finikensis (Eiselt and Schmidtler, 1987) -- valid
  Anatololacerta ibrahimi (Eiselt and Schmidtler, 1987) -- valid
  Anatololacerta oertzeni (Werner, 1904) -- invalid
  Anatololacerta oertzeni finikensis (Eiselt and Schmidtler, 1987) -- invalid
  Anatololacerta oertzeni ibrahimi (Eiselt and Schmidtler, 1987) -- invalid
  Anatololacerta oertzeni pelasgiana (Mertens, 1959) -- invalid
  Ancylocranium barkeri Loveridge, 1946 -- valid -- Lindi Sharp-snouted Worm Lizard
  Ancylocranium barkeri barkeri Loveridge, 1946 -- valid
  Ancylocranium barkeri newalae Loveridge, 1962 -- valid
  Ancylocranium ionidesi Loveridge, 1955 -- valid -- Kilwa Sharp-snouted Worm Lizard
  Ancylocranium ionidesi haasi Gans and Kochva, 1966 -- valid
  Ancylocranium ionidesi ionidesi Loveridge, 1955 -- valid
  Ancylocranium somalicum (Scortecci, 1930) -- valid -- Somali Sharp-snouted Worm Lizard
  Ancylocranium somalicum parkeri Gans and Kochva, 1966 -- valid
  Ancylocranium somalicum somalicum (Scortecci, 1930) -- valid
  Androngo trivittatus (Boulenger, 1896) -- invalid
  Androngo trivittatus trilineatus (Angel, 1942) -- invalid
  Anepischetosia maccoyi (Lucas and Frost, 1894) -- valid -- Highlands Forest-skink
  Anguidae -- valid -- Alligator Lizards, Anguid Lizards, Anguids, Galliwasps, Glass Lizards
  Anguis cephallonica Werner, 1894 -- valid -- Peloponnese Slow Worm
  Anguis colchica (Nordmann, 1840) -- valid -- Slow Worm
  Anguis fragilis Linnaeus, 1758 -- valid -- Slow Worm
  Anguis graeca Bedriaga, 1881 -- valid -- Greek Slow Worm
  Anguis incomptus (McConkey, 1955) -- invalid
  Anguis veronensis Pollini, 1818 -- valid -- Italian Slow Worm
  Anniella alexanderae Papenfuss and Parham, 2013 -- valid -- Temblor Legless Lizard
  Anniella campi Papenfuss and Parham, 2013 -- valid -- Big Spring Legless Lizard, Southern Sierra Legless Lizard
  Anniella geronimensis Shaw, 1940 -- valid -- Baja California Legless Lizard, Lagartija sin patas de Isla Jerónimo
  Anniella grinnelli Papenfuss and Parham, 2013 -- valid -- Bakersfield Legless Lizard
  Anniella pulchra Gray, 1852 -- valid -- California Legless Lizard, Lagartija sin patas californiana, Northern Legless Lizard, Silvery Legless Lizard
  Anniella stebbinsi Papenfuss and Parham, 2013 -- valid -- San Diegan Legless Lizard, Southern California Legless Lizard
  Anniellidae -- invalid -- Legless Lizards, North American Legless Lizards
  Anomalopus brevicollis Greer and Cogger, 1985 -- invalid -- Short-necked Worm-skink
  Anomalopus gowi Greer and Cogger, 1985 -- invalid -- Speckled Worm-skink
  Anomalopus leuckartii (Weinland, 1862) -- valid -- Two-clawed Worm-skink
  Anomalopus mackayi Greer and Cogger, 1985 -- valid -- Five-clawed Worm-skink
  Anomalopus pluto Ingram, 1977 -- invalid -- Cape York Worm-skink
  Anomalopus swansoni Greer and Cogger, 1985 -- valid -- Punctate Worm-skink
  Anomalopus verreauxii A. H. A. Duméril in A. M. C. Duméril and A. H. A. Duméril, 1851 -- valid -- Three-clawed Worm-skink, Verreaux's Skink
  Anomochilidae Cundall, Wallach and Rossman, 1993 -- valid -- Dwarf Pipe Snakes
  Anomochilus Berg, 1901 -- valid -- Dwarf Pipesnakes
  Anomochilus leonardi M. A. Smith, 1940 -- valid -- Leonard's Burrowing Snake, Leonard's Pipe Snake
  Anomochilus monticola Das, Lakim, Lim and Hui, 2008 -- valid
  Anomochilus weberi (Lidth de Jeude, 1890) -- valid -- Weber's Cylinder Snake
  Anoplohydrus Werner, 1909 -- valid
  Anoplohydrus aemulans Werner, 1909 -- valid
  Anotosaura collaris Amaral, 1933 -- valid -- Collared Anotosaura
  Anotosaura vanzolinia Dixon, 1974 -- valid -- Vanzolini's Anotosaura
  Aparallactus capensis A. Smith, 1849 -- valid -- Cape Centipede Eater
  Aparallactus capensis bocagei Boulenger, 1895 -- valid
  Aparallactus capensis capensis A. Smith, 1849 -- valid
  Aparallactus capensis luebberti Sternfeld, 1910 -- invalid
  Aparallactus capensis punctatolineatus Boulenger, 1895 -- valid
  Aparallactus guentheri Boulenger, 1895 -- valid -- Black Centipede Eater
  Aparallactus jacksonii (Günther, 1888) -- valid -- Jackson's Centipede-eater
  Aparallactus lineatus (Peters, 1870) -- valid -- Lined Centipede-eater
  Aparallactus lunulatus (Peters, 1854) -- valid -- Plumbeous Centipede Eater, Reticulated Centipede Eater
  Aparallactus lunulatus lunulatus (Peters, 1854) -- valid
  Aparallactus lunulatus nigrocollaris Chabanaud, 1916 -- valid
  Aparallactus lunulatus scortecci Parker, 1949 -- valid
  Aparallactus modestus (Günther, 1859) -- valid -- Western Forest Centipede-eater
  Aparallactus modestus modestus (Günther, 1859) -- valid
  Aparallactus modestus ubangensis Boulenger, 1897 -- valid
  Aparallactus moeruensis de Witte and Laurent, 1943 -- valid -- Zaire Centipede-eater
  Aparallactus niger Boulenger, 1897 -- valid
  Aparallactus nigriceps (Peters, 1854) -- valid -- Mozambique Centipede Eater
  Aparallactus turneri Loveridge, 1935 -- valid -- Malindi Centipede-eater
  Aparallactus werneri Boulenger, 1895 -- valid -- Usambara Centipede-eater
  Apathya cappadocica (Werner, 1902) -- valid -- Anatolian Lizard
  Apathya cappadocica cappadocica (Werner, 1902) -- valid
  Apathya cappadocica muhtari (Eiselt, 1979) -- valid
  Apathya cappadocica schmidtlerorum (Eiselt, 1979) -- invalid
  Apathya cappadocica urmiana Lantz and Suchow, 1934 -- valid
  Apathya cappadocica wolteri Bird, 1936 -- valid
  Apathya yassujica (Nilson, Rastegar-Pouyani, Rastegar-Pouyani and Andrén, 2003) -- valid -- Yassujian Lizard
  Aplopeltura boa (H. Boie, 1828) -- valid -- Blunt-headed Slug Eating Snake, Blunthead Slug Snake
  Apostolepis albicollaris de Lema, 2002 -- valid
  Apostolepis ambiniger (Peters, 1869) -- valid
  Apostolepis ammodites Ferrarezzi, Erritto Barbo and España Albuquerque, 2005 -- valid
  Apostolepis arenaria Rodrigues, 1993 -- valid
  Apostolepis assimilis (Reinhardt, 1861) -- valid -- Reinhardt's Burrowing Snake
  Apostolepis breviceps Harvey, Gonzales and Scrocchi, 2001 -- valid
  Apostolepis cearensis Gomes, 1915 -- valid -- Gomes' Burrowing Snake
  Apostolepis cerradoensis de Lema, 2003 -- valid
  Apostolepis christineae de Lema, 2002 -- valid
  Apostolepis coronata (Sauvage, 1877) -- invalid
  Apostolepis dimidiata (Jan, 1862) -- valid
  Apostolepis dorbignyi (Schlegel, 1837) -- valid -- Bolivian Burrowing Snake
  Apostolepis flavotorquata (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Central Burrowing Snake
  Apostolepis gaboi Rodrigues, 1993 -- valid
  Apostolepis goiasensis Prado, 1942 -- valid -- Goias Burrowing Snake
  Apostolepis intermedia Koslowsky, 1898 -- valid -- Mato Grosso Burrowing Snake
  Apostolepis longicaudata Gomes, 1921 -- valid -- Longhead Burrowing Snake
  Apostolepis multicincta Harvey, 1999 -- valid
  Apostolepis nelsonjorgei de Lema and Renner, 2004 -- valid
  Apostolepis niceforoi Amaral, 1935 -- valid -- Amazon Burrowing Snake
  Apostolepis nigrolineata (Peters, 1869) -- valid
  Apostolepis nigroterminata Boulenger, 1896 -- valid -- Peru Burrowing Snake
  Apostolepis phillipsae Harvey, 1999 -- valid
  Apostolepis polylepis Amaral, 1921 -- valid
  Apostolepis pymi Boulenger, 1903 -- valid
  Apostolepis quirogai Giraudo and Scrocchi, 1998 -- valid
  Apostolepis serrana de Lema and Renner, 2006 -- valid
  Apostolepis striata de Lema, 2004 -- valid
  Apostolepis tenuis Ruthven, 1927 -- valid -- Ruthven's Burrowing Snake
  Apostolepis vittata (Cope, 1887) -- valid
  Aprosdoketophis andreonei Wallach, Lanza and Nistri, 2010 -- valid
  Archaeolacerta bedriagae (Camerano, 1885) -- valid -- Bedriaga's Rock Lizard
  Archaeolacerta bedriagae bedriagae (Camerano, 1885) -- valid
  Archaeolacerta bedriagae paessleri (Mertens, 1927) -- valid
  Archaeolacerta bedriagae sardoa (Peracca, 1903) -- valid
  Archelaphe bella (Stanley, 1917) -- valid -- Bella Rat Snake, Burmese Rat Snake
  Archelaphe bella bella (Stanley, 1917) -- valid
  Archelaphe bella chapaensis (Bourret, 1934) -- valid
  Argyrogena fasciolata (Shaw, 1802) -- valid -- Banded Racer
  Arizona elegans Kennicott in Baird, 1859 -- valid -- Culebra brillante, Glossy Snake
  Arizona elegans arenicola Dixon, 1960 -- valid -- Texas Glossy Snake
  Arizona elegans candida Klauber, 1946 -- valid -- Mohave Glossy Snake, Mojave Glossy Snake
  Arizona elegans eburnata Klauber, 1946 -- valid -- Desert Glossy Snake
  Arizona elegans elegans Kennicott in Baird, 1859 -- valid -- Eastern Glossy Snake, Kansas Glossy Snake
  Arizona elegans noctivaga Klauber, 1946 -- valid -- Arizona Glossy Snake
  Arizona elegans occidentalis Blanchard, 1924 -- valid -- California Glossy Snake, Painted Desert Glossy Snake, Western Glossy Snake
  Arizona elegans philipi Klauber, 1946 -- valid -- Painted Desert Glossy Snake
  Arrhyton ainictum Schwartz and Garrido, 1981 -- valid -- Cuban Island Racer
  Arrhyton dolichura Werner, 1909 -- valid -- Habana Island Racer
  Arrhyton procerum Hedges and Garrido, 1992 -- valid -- Zapata Long-tailed Groundsnake
  Arrhyton redimitum (Cope, 1863) -- valid
  Arrhyton supernum Hedges and Garrido, 1992 -- valid -- Oriente Black Groundsnake
  Arrhyton taeniatum Günther, 1858 -- valid -- Günther's Island Racer
  Arrhyton tanyplectum Schwartz and Garrido, 1981 -- valid -- San Vincente Island Racer
  Arrhyton vittatum (Gundlach, 1861) -- valid -- Common Island Racer
  Arthrosaura guianensis MacCulloch and Lathrop, 2001 -- invalid
  Arthrosaura hoogmoedi Kok, 2008 -- invalid
  Arthrosaura kockii (Lidth de Jeude, 1904) -- valid
  Arthrosaura montigena Myers and Donnelly, 2008 -- valid
  Arthrosaura reticulata (O'Shaughnessy, 1881) -- valid -- Yellowbelly Arthrosaura
  Arthrosaura synaptolepis Donnelly, McDiarmid and Myers, 1992 -- valid -- Donnelly's Arthrosaura
  Arthrosaura testigensis Gorzula and Senaris, 1999 -- valid
  Arthrosaura tyleri (Burt and Burt, 1931) -- valid
  Arthrosaura versteegii Lidth de Jeude, 1904 -- valid
  Aspidoscelis angusticeps (Cope, 1878) -- valid -- Cuiji Yucateco, Huico yucateco, Yucatán Whiptail
  Aspidoscelis angusticeps angusticeps (Cope, 1878) -- valid -- Narrowheaded Yucatán Whiptail
  Aspidoscelis angusticeps petenensis (Beargie and McCoy, 1964) -- valid -- Corredora del Peten, Peten Whiptail
  Aspidoscelis burti (Taylor, 1938) -- valid -- Canyon Spotted Whiptail, Huico Manchado de Cañon
  Aspidoscelis calidipes (Duellman, 1955) -- valid -- Huico de Tepalcatepec, Río Tepalcatepec Valley Whiptail, Tepalcatepec Valley Whiptail, Ticuiliches
  Aspidoscelis ceralbensis (Van Denburgh and Slevin, 1921) -- valid -- Cerralvo Island Whiptail, Huico de Cerralbo
  Aspidoscelis communis (Cope, 1878) -- valid -- Colima Giant Whiptail, Giant Whiptail, Huico moteado-gigante, Moteado
  Aspidoscelis communis communis (Cope, 1878) -- valid -- Colima Giant Whiptail, Cuiji de Cola Roja
  Aspidoscelis communis mariarum (Günther, 1885) -- valid -- Cuiji de Islas Marias, Islas Tres Marias Whiptail
  Aspidoscelis costatus (Cope, 1878) -- valid -- Huico del oeste-mexicano, Huico Llanero, Western Mexico Whiptail
  Aspidoscelis costatus barrancorum (Zweifel, 1959) -- valid -- Barranca Whiptail, Cuiji de Barranca
  Aspidoscelis costatus costatus (Cope, 1878) -- valid -- Balsas Basin Whiptail, Huico Correlón
  Aspidoscelis costatus griseocephalus (Zweifel, 1959) -- valid -- Blue-throated Whiptail, Huico de Garganta-azul
  Aspidoscelis costatus huico (Zweifel, 1959) -- valid -- Blue-chested Whiptail, Huico Pecho-azul
  Aspidoscelis costatus mazatlanensis (Zweifel, 1959) -- valid -- Huico de Sinaloa, Sinaloan Whiptail
  Aspidoscelis costatus nigrigularis (Zweifel, 1959) -- valid -- Black-throated Whiptail, Huico de Garganta-negra
  Aspidoscelis costatus occidentalis (Gadow, 1906) -- valid -- Huico de México Occidental, Western México Whiptail
  Aspidoscelis costatus zweifeli (Duellman, 1960) -- valid -- Zweifel's Whiptail
  Aspidoscelis cozumela (Gadow, 1906) -- valid -- Cozumel Racerunner, Cozumel Whiptail, Cuiji de Cozumel, Huico de Cozumel
  Aspidoscelis danheimae (Burt, 1929) -- valid -- Huico de la Isla San José, Isla San José Whiptail
  Aspidoscelis deppii (Wiegmann, 1834) -- valid -- Black-bellied Racerunner, Blackbelly Racerunner, Cuiji Panzanegra, Huico siete líneas
  Aspidoscelis deppii deppii (Wiegmann, 1834) -- valid -- Black-bellied Racerunner, Lagartija Verdiazul
  Aspidoscelis deppii infernalis (Duellman and Wellman, 1969) -- valid -- Deppe's Inferno Racerunner, Lagartija Infernal
  Aspidoscelis deppii schizophorus (H. Smith and Brandon, 1968) -- valid -- Deppe's Split Racerunner, Huico Llanero
  Aspidoscelis exsanguis (Lowe, 1956) -- valid -- Chihuahuan Spotted Whiptail
  Aspidoscelis flagellicauda (Lowe and Wright, 1964) -- invalid -- Gila Spotted Whiptail
  Aspidoscelis gularis (Baird and Girard, 1852) -- valid -- Common Spotted Whiptail, Eastern Spotted Whiptail, Huico texano, Texas Spotted Whiptail
  Aspidoscelis gularis colossus (Dixon, Lieb and Ketchersid, 1971) -- valid -- Colossal Spotted Whiptail, Corredora Colosal
  Aspidoscelis gularis gularis (Baird and Girard, 1852) -- valid -- Corredora Pinta Texana, Texas Spotted Whiptail
  Aspidoscelis gularis pallidus (Duellmanb and Zweifel, 1962) -- valid -- Huico Pálido, Pallid Spotted Whiptail
  Aspidoscelis gularis semiannulatus (Walker, 1967) -- valid -- Corredora Pinta Zacatecana, Zacatecan Spotted Whiptail
  Aspidoscelis gularis semifasciatus (Cope, 1892) -- valid
  Aspidoscelis gularis septemvittata (Cope, 1892) -- valid -- Big Bend Spotted Whiptail, Corredora del Big Bend, Mexican Plateau Spotted Whiptail
  Aspidoscelis guttatus (Wiegmann, 1834) -- valid -- Huico picuiliche, Mexican Racerunner
  Aspidoscelis guttatus flavilineatus (Duellman and Wellman, 1960) -- valid
  Aspidoscelis guttatus guttatus (Wiegmann, 1834) -- valid
  Aspidoscelis guttatus immutabilis (Cope, 1878) -- valid
  Aspidoscelis hyperythrus (Cope, 1863) -- valid -- Orange-throated Whiptail
  Aspidoscelis hyperythrus beldingi (Stejneger, 1894) -- valid -- Belding's Orange-throated Whiptail
  Aspidoscelis hyperythrus hyperythrus (Cope, 1863) -- valid -- Cape Orange-throated Whiptail
  Aspidoscelis hyperythrus schmidti (Van Denburgh and Slevin, 1921) -- valid
  Aspidoscelis inornatus (Baird, 1859) -- valid -- Little Striped Whiptail
  Aspidoscelis inornatus arizonae (Van Denburgh, 1896) -- valid -- Arizona Striped Whiptail
  Aspidoscelis inornatus chihuahuae (Wright and Lowe, 1993) -- valid
  Aspidoscelis inornatus cienegae (Wright and Lowe, 1993) -- valid
  Aspidoscelis inornatus heptagrammus (Axtell, 1961) -- valid -- Northern Striped Whiptail, Trans-Pecos Striped Whiptail
  Aspidoscelis inornatus inornatus (Baird, 1859) -- valid -- Little Striped Whiptail
  Aspidoscelis inornatus juniperus (Wright and Lowe, 1993) -- valid -- Woodland Striped Whiptail
  Aspidoscelis inornatus llanuras (Wright and Lowe, 1993) -- valid -- Plains Striped Whiptail
  Aspidoscelis inornatus octolineatus (Baird, 1859) -- valid
  Aspidoscelis inornatus paululus (Williams, 1890) -- valid
  Aspidoscelis labialis (Stejneger, 1890) -- valid -- Baja California Whiptail, Huico de Baja California
  Aspidoscelis laredoensis (McKinney, Kay and Anderson, 1973) -- valid -- Laredo Striped Whiptail, Llanera de Laredo
  Aspidoscelis lineattissimus (Cope, 1878) -- valid -- Cuiji de Muchas Lineas, Huico muchas líneas, Many-lined Whiptail
  Aspidoscelis lineattissimus duodecemlineatus (Lewis, 1956) -- valid -- Cuiji de Cola Azul, Twelve-lined Whiptail
  Aspidoscelis lineattissimus exoristus (Duellman and Wellman, 1960) -- valid -- Cuiji Michoacano, Michoacan Many-lined Whiptail
  Aspidoscelis lineattissimus lineattissimus (Cope, 1878) -- valid -- Cuiji Lineado, Many-lined Whiptail
  Aspidoscelis lineattissimus lividis (Duellman and Wellman, 1960) -- valid -- Blue Many-lined Whiptail, Cuiji Azulado
  Aspidoscelis marmoratus (Baird and Girard, 1852) -- valid -- Huico Marmóreo, Marbled Whiptail, Western Marbled Whiptail
  Aspidoscelis marmoratus marmoratus (Baird and Girard, 1852) -- valid -- Western Marbled Whiptail
  Aspidoscelis marmoratus reticuloriens (Vance, 1978) -- valid -- Eastern Marbled Whiptail
  Aspidoscelis maslini (Fritts, 1969) -- valid -- Huico de Maslin, Maslin's Whiptail
  Aspidoscelis maximus (Cope, 1863) -- valid -- Cape Region Whiptail, Huico de Region del Cabo, Huico del Cabo
  Aspidoscelis mexicanus (Peters, 1869) -- valid -- Cuiji Mexicano, Huico mexicano, Mexican Whiptail
  Aspidoscelis motaguae (Sackett, 1941) -- valid -- Cuiji Gigante, Giant Whiptail
  Aspidoscelis neomexicanus (Lowe and Zweifel, 1952) -- valid -- Huico de Nuevo México, New Mexico Whiptail
  Aspidoscelis neotesselatus (Walker, Cordes and Taylor, 1997) -- valid -- Colorado Checkered Whiptail, Triploid Checkered Whiptail
  Aspidoscelis opatae (Wright, 1967) -- valid -- Huico opata, Opata Whiptail
  Aspidoscelis pai (Wright and Lowe, 1993) -- valid -- Pai Striped Whiptail
  Aspidoscelis parvisocius (Zweifel, 1960) -- valid -- Huico pigmeo, Mexican Pigmy Whiptail
  Aspidoscelis pictus (Van Denburgh and Slevin, 1921) -- valid -- Huico de la Isla Monserrate, Isla Monserrate Whiptail
  Aspidoscelis rodecki (McCoy and Maslin, 1962) -- valid -- Cuiji de Rodeck, Huico de Rodeck, Rodeck's Whiptail
  Aspidoscelis sackii (Wiegmann, 1834) -- valid -- Campeche, Sack's Spotted Whiptail
  Aspidoscelis sackii australis (Gadow, 1906) -- invalid
  Aspidoscelis sackii bocourti (Boulenger, 1885) -- valid
  Aspidoscelis sackii gigas (Davis and H. Smith, 1952) -- valid -- Cuiji Moteado Gigante, Giant Spotted Whiptail
  Aspidoscelis sackii sackii (Wiegmann, 1834) -- valid -- Cuiji Pinto, Sack's Spotted Whiptail
  Aspidoscelis scalaris (Cope, 1892) -- valid -- Correadora Pinta Occidental, Plateau Spotted Whiptail, Rusty-rumped Whiptail
  Aspidoscelis sexlineatus (Linnaeus, 1766) -- valid -- Huico de Seis Líneas, Six-lined Racerunner
  Aspidoscelis sexlineatus sexlineatus (Linnaeus, 1766) -- valid -- Eastern Six-lined Racerunner
  Aspidoscelis sexlineatus stephensae (Trauth, 1992) -- valid -- Texas Yellow-headed Racerunner
  Aspidoscelis sexlineatus viridis (Lowe, 1966) -- valid -- Prairie Racerunner
  Aspidoscelis sonorae (Lowe and Wright, 1964) -- valid -- Gila Spotted Whiptail, Huico Manchado de Sonora, Sonoran Spotted Whiptail
  Aspidoscelis stictogrammus (Burger, 1950) -- valid -- Giant Spotted Whiptail, Huico Manchado Gigante
  Aspidoscelis tesselatus (Say in James, 1823) -- valid -- Common Checkered Whiptail, Gray Checkered Whiptail, Huico Teselado
  Aspidoscelis tigris (Baird and Girard, 1852) -- valid -- Huico Tigre, Tiger Whiptail, Western Whiptail
  Aspidoscelis tigris aethiops (Cope, 1900) -- valid -- Huico Tigre de Sonorense, Sonoran Tiger Whiptail
  Aspidoscelis tigris dickersonae (Van Denburgh and Slevin, 1921) -- valid
  Aspidoscelis tigris disparilis (Dickerson, 1919) -- valid -- Huico de Isla Angel de la Guarda, Isla Angel de la Guarda Tiger Whiptail
  Aspidoscelis tigris multiscutatus (Cope, 1892) -- valid -- Coastal Whiptail, Huico Costeño
  Aspidoscelis tigris mundus (Camp, 1916) -- valid -- California Whiptail
  Aspidoscelis tigris nigroriens (Hendricks and Dixon, 1986) -- valid -- Eastern Black-throated Whiptail, Huico de Garganta Negra del Oriente
  Aspidoscelis tigris pulcher (Williams, H. Smith and Chrapliwy, 1960) -- valid -- Beautiful Marbled Whiptail, Huico Hermoso
  Aspidoscelis tigris punctatus (Walker and Maslin, 1964) -- valid -- Llanera de Cola de Látigo, Spotted Tiger Whiptail
  Aspidoscelis tigris punctilinealis (Dickerson, 1919) -- valid -- Huico Tigre de Sonora, Sonoran Tiger Whiptail
  Aspidoscelis tigris rubidus (Cope, 1892) -- valid -- Huico de Cola Rosada, Pink-tailed Whiptail
  Aspidoscelis tigris septentrionalis (Burger, 1950) -- valid -- Northern Whiptail, Plateau Tiger Whiptail
  Aspidoscelis tigris stejnegeri (Van Denburgh, 1894) -- valid -- Coastal Whiptail, Huico de Stejneger, San Diegan Tiger Whiptail
  Aspidoscelis tigris tigris (Baird and Girard, 1852) -- valid -- Great Basin Whiptail, Huico de la Gran Cuenca
  Aspidoscelis tigris vandenburghi (Dickerson, 1919) -- valid -- Carmen Island Whiptail, Huico de la Isla Carmen
  Aspidoscelis tigris variolosus (Cope, 1892) -- valid -- Huico Occidental Manchado, Spotted Western Whiptail
  Aspidoscelis tigris vividus (Walker, 1981) -- valid -- Huico de la Isla Coronado, South Coronado Island Whiptail
  Aspidoscelis uniparens (Wright and Lowe, 1965) -- valid -- Desert Grassland Whiptail
  Aspidoscelis velox (Springer, 1928) -- valid -- Plateau Striped Whiptail
  Aspidoscelis xanthonotus (Duellman and Lowe, 1953) -- valid -- Huico de Dorsorojo, Red-backed Whiptail
  Aspidura Wagler, 1830 -- valid
  Aspidura brachyorrhos (F. Boie, 1827) -- valid -- Boie's Rough-sided Snake
  Aspidura ceylonensis (Günther, 1858) -- valid -- Ceylon Keelback
  Aspidura copei Günther, 1864 -- invalid
  Aspidura deraniyagalae Gans and Fetcho, 1982 -- valid -- Sri Lanka Rough-sided Snake
  Aspidura drummondhayi Boulenger, 1904 -- valid -- Drummond-Hay's Rough-sided Snake
  Aspidura guentheri Ferguson, 1876 -- valid -- Günther's Rough-sided Snake
  Aspidura trachyprocta Cope, 1860 -- valid -- Common Rough-sided Snake
  Aspronema cochabambae (Dunn, 1935) -- valid
  Aspronema dorsivittatum (Cope, 1862) -- valid -- Paraguay Mabuya
  Asthenodipsas laevis (F. Boie, 1827) -- valid -- Smooth Slug Snake
  Asthenodipsas lasgalenensis Loredo, Wood, Quah, Anuar, Greer, Ahmad and Grismer, 2013 -- valid -- Mirkwood Forest Slug Snake
  Asthenodipsas malaccanus Peters, 1864 -- valid -- Malayan Slug Snake
  Asthenodipsas tropidonotus (Lidth de Jeude, 1923) -- valid -- Sumatra Slug Snake
  Asthenodipsas vertebralis (Boulenger, 1900) -- valid -- Asian Slug Snake, Mountain Snail Snake
  Asymblepharus Eremchenko and Szczerbak, 1980 -- invalid
  Asymblepharus alaicus (Elpatjevsky, 1901) -- invalid
  Asymblepharus alaicus alaicus (Elpatjevsky, 1901) -- invalid
  Asymblepharus alaicus kucenkoi (Nikolsky, 1902) -- invalid
  Asymblepharus alaicus yakovlevae Eremchenko, 1983 -- invalid
  Asymblepharus eremchenkoi Panfilov, 1999 -- invalid
  Asymblepharus himalayanus (Günther, 1864) -- invalid -- Himalaya Ground Skink
  Asymblepharus ladacensis (Günther, 1864) -- invalid -- Ladak Ground Skink
  Asymblepharus ladacensis ladacensis (Günther, 1864) -- invalid
  Asymblepharus ladacensis stimsoni Eremchenko, 1992 -- invalid
  Asymblepharus mahabharatus Eremchenko, Shah and Panfilov, 1998 -- invalid -- Mahabharat Ground Skink
  Asymblepharus medogensis Jiang, Wu, Guo, Li and Che, 2020 -- invalid
  Asymblepharus nepalensis Eremchenko and Helfenberger, 1998 -- invalid -- Nepal Ground Skink
  Asymblepharus nyingchiensis Jiang, Wu, Wang, Ding and Che, 2020 -- invalid
  Asymblepharus sikimmensis (Blyth, 1854) -- invalid -- Bronzy-brown Skink, Sikkim Ground Skink
  Asymblepharus tragbulensis (Alcock, 1898) -- invalid
  Ateuchosaurus chinensis Gray, 1845 -- valid -- Chinese Short-limbed Skink
  Ateuchosaurus pellopleurus (Hallowell, 1861) -- valid -- Ryukyu Short-legged Skink
  Ateuchosaurus pellopleurus browni (Van Denburgh, 1912) -- invalid
  Atheris acuminata Broadley, 1998 -- valid -- Acuminate Bush Viper
  Atheris barbouri Loveridge, 1930 -- valid -- Uzungwe Mountain Bush Viper
  Atheris broadleyi Lawson, 1999 -- valid
  Atheris ceratophora Werner, 1896 -- valid
  Atheris chlorechis (Pel, 1851) -- valid
  Atheris desaixi Ashe, 1968 -- valid -- Ashe's Bush Viper
  Atheris hirsuta Ernst and Rödel, 2002 -- valid
  Atheris hispida Laurent, 1955 -- valid -- African Hairy Bush Viper
  Atheris katangensis de Witte, 1953 -- valid -- Katanga Mountain Bush Viper
  Atheris mabuensis Branch and Bayliss, 2009 -- valid
  Atheris matildae Menegon, Davenport and Howell, 2011 -- valid -- Matilda's Horned Viper
  Atheris nitschei Tornier, 1902 -- valid -- Great Lakes Bush Viper
  Atheris rungweensis Bogert, 1940 -- valid -- Mt. Rungwe Bush Viper
  Atheris squamigera (Hallowell, 1854) -- valid -- African Bush Viper, Rough-scaled Bush Viper, Variable Bush Viper
  Atheris squamigera robusta Laurent, 1956 -- invalid
  Atheris squamigera squamigera (Hallowell, 1854) -- invalid
  Atheris subocularis Fischer, 1888 -- valid
  Atlantolacerta andreanskyi (Werner, 1929) -- valid -- Andreansky's Lizard
  Atractaspis andersonii Boulenger, 1905 -- valid -- Arabian Small-Scaled Burrowing Asp
  Atractaspis aterrima Günther, 1863 -- valid -- Mole Viper, Slender Burrowing Asp
  Atractaspis bibronii A. Smith, 1849 -- valid -- Bibron's Burrowing Asp, Southern Burrowing Asp
  Atractaspis bibronii bibronii A. Smith, 1849 -- valid
  Atractaspis bibronii rostrata Günther, 1868 -- valid
  Atractaspis boulengeri Mocquard, 1897 -- valid -- Mole Viper
  Atractaspis boulengeri boulengeri Mocquard, 1897 -- valid
  Atractaspis boulengeri matschiensis Werner, 1897 -- valid
  Atractaspis boulengeri mixta Laurent, 1945 -- valid
  Atractaspis boulengeri schmidti Laurent, 1945 -- valid
  Atractaspis boulengeri schultzei Sternfeld, 1917 -- valid
  Atractaspis boulengeri vanderborghti Laurent, 1956 -- valid
  Atractaspis congica Peters, 1877 -- valid -- Congo Stiletto Snake
  Atractaspis congica congica Peters, 1877 -- valid
  Atractaspis congica leleupi Laurent, 1950 -- valid
  Atractaspis congica orientalis Laurent, 1945 -- valid
  Atractaspis corpulenta (Hallowell, 1854) -- valid -- Mole Viper
  Atractaspis corpulenta corpulenta (Hallowell, 1854) -- valid
  Atractaspis corpulenta kivuensis Laurent, 1958 -- valid
  Atractaspis corpulenta leucura Mocquard, 1885 -- valid
  Atractaspis dahomeyensis Bocage, 1887 -- valid -- Mole Viper
  Atractaspis duerdeni Gough, 1907 -- valid -- Beaked Burrowing Asp, Duerden's Asp, Duerden's Burrowing Asp
  Atractaspis engaddensis Haas, 1950 -- valid -- Israeli Mole Viper
  Atractaspis engdahli Lönnberg and Andersson, 1913 -- valid -- Mole Viper
  Atractaspis fallax Peters, 1867 -- valid -- Peters' Burrowing Asp
  Atractaspis irregularis (Reinhardt, 1843) -- valid -- Variable Burrowing Asp
  Atractaspis irregularis angeli Laurent, 1950 -- valid
  Atractaspis irregularis bipostocularis Boulenger, 1905 -- valid
  Atractaspis irregularis irregularis (Reinhardt, 1843) -- valid
  Atractaspis irregularis parkeri Laurent, 1945 -- valid
  Atractaspis irregularis uelensis Laurent, 1945 -- valid
  Atractaspis leucomelas Boulenger, 1895 -- valid -- Ogaden Burrowing Asp
  Atractaspis magrettii Scortecci, 1928 -- valid -- Magretti's Burrowing Asp
  Atractaspis microlepidota Günther, 1866 -- valid -- Small-Scaled Burrowing Asp
  Atractaspis micropholis Günther, 1872 -- valid -- Sahelian Burrowing Asp
  Atractaspis phillipsi Barbour, 1913 -- valid -- Phillips' Burrowing Asp
  Atractaspis reticulata Sjöstedt, 1896 -- valid -- Mole Viper
  Atractaspis reticulata brieni Laurent, 1956 -- valid
  Atractaspis reticulata heterochilus Boulenger, 1901 -- valid
  Atractaspis reticulata reticulata Sjöstedt, 1896 -- valid
  Atractaspis scorteccii Parker, 1949 -- valid -- Somali Burrowing Asp
  Atractaspis watsoni Boulenger, 1908 -- valid -- Watson's Burrowing Asp
  Atractus acheronius Passos, Rivas and Barrio-Amorós, 2009 -- valid
  Atractus albuquerquei da Cunha and Nascimento, 1983 -- valid -- Albuquerque Ground Snake
  Atractus alphonsehogei da Cunha and Nascimento, 1983 -- valid -- Alphonse's Ground Snake
  Atractus altagratiae Passos and Fernandes, 2008 -- valid
  Atractus andinus Prado, 1944 -- valid -- Andean Ground Snake
  Atractus apophis Passos and Lynch, 2010 -- valid
  Atractus arangoi Prado, 1939 -- valid
  Atractus atratus Passos and Lynch, 2010 -- valid
  Atractus attenuates Myers and Schargel, 2006 -- valid
  Atractus avernus Passos, Chiesse, Torres-Carvajal and Savage, 2009 -- valid
  Atractus ayeush Esqueda, 2011 -- valid
  Atractus badius (F. Boie, 1827) -- valid -- Boie's Ground Snake, French Guyana Ground Snake
  Atractus balzani Boulenger, 1898 -- valid -- Bolivian Ground Snake
  Atractus biseriatus Prado, 1941 -- valid -- Two-lined Ground Snake
  Atractus bocki Werner, 1909 -- valid -- Bock's Ground Snake
  Atractus bocourti Boulenger, 1894 -- valid -- Bocourt's Ground Snake
  Atractus boettgeri Boulenger, 1896 -- valid -- Boettger's Ground Snake
  Atractus boulengerii Peracca, 1896 -- valid
  Atractus caete Passos, Fernandes, Bérnils and Moura-Leite, 2010 -- valid
  Atractus carrioni Parker, 1930 -- valid -- Parker's Ground Snake
  Atractus caxiuana Da Costa Prudente and Santos-Costa, 2006 -- valid
  Atractus charitoae Silva Haad, 2004 -- valid
  Atractus chthonius Passos and Lynch, 2010 -- valid
  Atractus clarki Dunn and Bailey, 1939 -- valid -- Clark's Ground Snake
  Atractus collaris Peracca, 1897 -- valid -- Collared Ground Snake
  Atractus crassicaudatus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Thickhead Ground Snake
  Atractus darienensis Myers, 2003 -- valid
  Atractus depressiocellus Myers, 2003 -- valid
  Atractus duboisi (Boulenger, 1880) -- valid
  Atractus duidensis Roze, 1961 -- valid -- Venezuela Ground Snake
  Atractus dunni Savage, 1955 -- valid -- Dunn's Ground Snake
  Atractus echidna Passos, Mueses-Cisneros, Lynch and Fernandes, 2009 -- valid
  Atractus ecuadorensis Savage, 1955 -- valid -- Ecuadorean Ground Snake, Ecuadorian Ground Snake
  Atractus edioi Da Silva, Rodrigues Silva, Ribeiro, Souza and Do Amaral Souza, 2005 -- valid
  Atractus elaps (Günther, 1858) -- valid -- Black Ground Snake
  Atractus emigdioi Gonzales-Sponga, 1971 -- valid -- Emigdio's Ground Snake
  Atractus emmeli (Boettger, 1888) -- valid -- Emmel's Ground Snake
  Atractus eriki Esqueda, la Marca and Bazó, 2007 -- valid
  Atractus erythromelas Boulenger, 1903 -- valid -- Red-black Ground Snake
  Atractus favae (Filippi, 1840) -- valid -- Filippi's Ground Snake
  Atractus flammigerus (F. Boie, 1827) -- valid -- Flaming Ground Snake
  Atractus franciscopaivai Silva Haad, 2004 -- valid
  Atractus francoi Passos, Fernandes, Bérnils and Moura-Leite, 2010 -- valid
  Atractus fuliginosus (Hallowell, 1845) -- valid -- Hallowell's Ground Snake
  Atractus gaigeae Savage, 1955 -- valid -- Gaige's Ground Snake
  Atractus gigas Myers and Schargel, 2006 -- valid
  Atractus guentheri (Wucherer, 1861) -- valid -- Günther's Ground Snake
  Atractus heliobelluomini Silva Haad, 2004 -- valid
  Atractus hoogmoedi Prudente and Passos, 2010 -- valid
  Atractus hostilitractus Myers, 2003 -- valid
  Atractus imperfectus Myers, 2003 -- valid
  Atractus indistinctus Prado, 1940 -- valid -- Indistinct Ground Snake
  Atractus insipidus Roze, 1961 -- valid
  Atractus iridescens Peracca, 1896 -- valid -- Iridescent Ground Snake
  Atractus lancinii Roze, 1961 -- valid -- Lancini's Ground Snake
  Atractus lasallei Amaral, 1931 -- valid -- Lasalle's Ground Snake
  Atractus latifrons (Günther, 1868) -- valid -- Broadhead Ground Snake
  Atractus lehmanni Boettger, 1898 -- valid -- Lehmann's Ground Snake
  Atractus limitaneus (Amaral, 1935) -- valid -- Limitan Ground Snake
  Atractus loveridgei Amaral, 1930 -- valid -- Loveridge's Ground Snake
  Atractus macondo Passos, Lynch and Fernandes, 2009 -- valid
  Atractus maculatus (Günther, 1858) -- valid -- Spotted Ground Snake
  Atractus major Boulenger, 1894 -- valid -- Big Ground Snake, Brown Ground Snake
  Atractus manizalesensis Prado, 1940 -- valid
  Atractus mariselae Lancini, 1969 -- valid -- Marisela's Ground Snake
  Atractus matthewi Markezich and Barrio-Amorós, 2004 -- valid
  Atractus medusa Passos, Mueses-Cisneros, Lynch and Fernandes, 2009 -- valid
  Atractus melanogaster Werner, 1916 -- valid -- Blackbelly Ground Snake
  Atractus melas Boulenger, 1908 -- valid -- Dark Ground Snake
  Atractus meridensis Esqueda and la Marca, 2005 -- valid
  Atractus micheleae Esqueda and la Marca, 2005 -- valid
  Atractus microrhynchus (Cope, 1868) -- valid
  Atractus mijaresi Esqueda and la Marca, 2005 -- valid
  Atractus modestus Boulenger, 1894 -- valid -- Modest Ground Snake
  Atractus multicinctus (Jan, 1865) -- valid -- Banded Ground Snake
  Atractus multidentatus Passos, Rivas and Barrio-Amorós, 2009 -- valid
  Atractus nasutus Passos, Fernandes and Lynch, 2009 -- valid
  Atractus natans Hoogmoed and Prudente, 2003 -- valid
  Atractus nicefori Amaral, 1930 -- valid -- Northern Ground Snake
  Atractus nigricaudus Schmidt and Walker, 1943 -- valid -- Black-headed Ground Snake
  Atractus nigriventris Amaral, 1933 -- valid -- Black-ventered Ground Snake
  Atractus obesus Marx, 1960 -- valid -- Fat Ground Snake
  Atractus obtusirostris Werner, 1916 -- valid -- Bignose Ground Snake
  Atractus occidentalis Savage, 1955 -- valid -- Western Ground Snake
  Atractus occipitoalbus (Jan, 1862) -- valid -- Gray Ground Snake
  Atractus ochrosetrus Esqueda and la Marca, 2005 -- valid
  Atractus oculotemporalis Amaral, 1932 -- valid -- Hispanic Ground Snake
  Atractus orcesi Savage, 1955 -- valid
  Atractus paisa Passos, Fernandes and Lynch, 2009 -- valid
  Atractus pamplonensis Amaral, 1937 -- valid -- Pamplona Ground Snake
  Atractus pantostictus Fernandes and Puorto, 1993 -- valid
  Atractus paraguayensis Werner, 1924 -- valid
  Atractus paravertebralis Henle and Ehrl, 1991 -- valid
  Atractus paucidens Despax, 1910 -- valid -- Despax's Ground Snake
  Atractus pauciscutatus Schmidt and Walker, 1943 -- valid -- Little-scaled Ground Snake
  Atractus peruvianus (Jan, 1862) -- valid -- Peru Ground Snake
  Atractus poeppigi (Jan, 1862) -- valid -- Basin Ground Snake
  Atractus potschi Fernandes, 1995 -- valid
  Atractus punctiventris Amaral, 1933 -- valid -- Pointed Ground Snake
  Atractus resplendens Werner, 1901 -- valid -- Resplendent Ground Snake
  Atractus reticulatus (Boulenger, 1885) -- valid -- Reticulate Ground Snake
  Atractus reticulatus reticulatus (Boulenger, 1885) -- valid
  Atractus reticulatus scrocchii Alvarez, Rey and Cei, 1992 -- valid
  Atractus riveroi Roze, 1961 -- valid -- Rivero's Ground Snake
  Atractus ronnie Passos, Fernandes and Borges-Nojosa, 2007 -- valid
  Atractus roulei Despax, 1910 -- valid -- Roule's Ground Snake
  Atractus sanctaemartae Dunn, 1946 -- valid -- St. Marta's Ground Snake
  Atractus sanguineus Prado, 1944 -- valid -- Bloody Ground Snake
  Atractus schach (F. Boie, 1827) -- valid -- Schach's Ground Snake
  Atractus serranus Amaral, 1930 -- valid -- Sao Paulo Ground Snake
  Atractus snethlageae da Cunha and Nascimento, 1983 -- valid
  Atractus spinalis Passos, Texeira Jr., Recoder, De Sena, Dal Vechio, De Arruda Pinto et al., 2013 -- valid
  Atractus steyermarki Roze, 1958 -- valid
  Atractus surucucu Prudente, 2008 -- valid
  Atractus taeniatus Griffin, 1916 -- valid
  Atractus tamaensis Esqueda and la Marca, 2005 -- valid
  Atractus tamessari Kok, 2006 -- valid
  Atractus taphorni Schargel and García-Pérez, 2002 -- valid
  Atractus thalesdelemai Passos, Fernandes and Zanella, 2005 -- valid
  Atractus titanicus Passos, Fernandes and Lynch, 2009 -- valid
  Atractus torquatus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Neckband Ground Snake
  Atractus touzeti Schargel, Lamar, Passos, Valencia, Cisneros-Hereda and Campbell, 2013 -- valid
  Atractus trihedrurus Amaral, 1926 -- valid -- Southern Ground Snake
  Atractus trilineatus Wagler, 1828 -- valid -- Three-lined Ground Snake
  Atractus trivittatus Amaral, 1933 -- valid -- Three-banded Ground Snake
  Atractus turikensis Barros, 2000 -- valid
  Atractus typhon Passos, Mueses-Cisneros, Lynch and Fernandes, 2009 -- valid
  Atractus univittatus (Jan, 1862) -- invalid -- One-banded Ground Snake
  Atractus variegatus Prado, 1942 -- valid -- Variegated Ground Snake
  Atractus ventrimaculatus Boulenger, 1905 -- valid -- Speckled Ground Snake
  Atractus vertebralis Boulenger, 1904 -- valid -- Vertebral Ground Snake
  Atractus vertebrolineatus Prado, 1941 -- valid -- Striped Ground Snake
  Atractus vittatus Boulenger, 1894 -- valid
  Atractus wagleri Prado, 1945 -- valid -- Wagler's Ground Snake
  Atractus werneri Peracca, 1912 -- valid -- Werner's Ground Snake
  Atractus zebrinus (Jan, 1862) -- valid
  Atractus zidoki Gasc and Rodrigues, 1979 -- valid -- Zidok's Ground Snake
  Atretium Cope, 1861 -- valid
  Atretium schistosum (Daudin, 1803) -- valid -- Olive Keelback Wart Snake, Split Keelback
  Atretium yunnanensis Anderson, 1879 -- valid -- Yunnan Olive Keelback
  Atropoides indomitus E. N. Smith and Ferrari-Castro, 2008 -- valid
  Atropoides mexicanus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Central American Jumping Pit Viper
  Atropoides nummifer (Rüppell, 1845) -- valid -- Jumping Pit Viper, Nauyaca o nayaraca saltadora
  Atropoides occiduus (Hoge, 1966) -- valid
  Atropoides olmec (Perez-Higareda, H. M. Smith and Julia-Zertuche, 1985) -- valid -- Nauyaca de Los Tuxtlas, Olmecan Pit Viper
  Atropoides picadoi (Dunn, 1939) -- valid -- Picado's Pit Viper
  Aurivela longicauda (Bell, 1843) -- valid -- Longtail Whiptail
  Aurivela tergolaevigata (Cabrera, 2004) -- valid
  Australolacerta australis (Hewitt, 1926) -- valid -- Southern Rock Lizard
  Azemiops feae Boulenger, 1888 -- valid -- Black-headed Burmese Viper, Fea Viper
  Azemiops kharini Orlov, Ryabov and T. T. Nguyen, 2013 -- valid -- White-headed Burmese Viper, White-headed Fea Viper
  Bachia barbouri Burt and Burt, 1931 -- valid -- Barbour's Bachia
  Bachia bicolor (Cope, 1896) -- valid -- Two-colored Bachia
  Bachia bresslaui (Amaral, 1935) -- valid -- Bresslau's Bachia
  Bachia cacerensis Castrillon and Strussman, 1998 -- valid
  Bachia didactyla De Freitas, Strüssmann, de Carvalho, Kawashita-Ribeiro and Mott, 2011 -- valid
  Bachia dorbignyi (Duméril and Bibron, 1839) -- valid -- Dorbigny's Bachia
  Bachia flavescens (Bonnaterre, 1789) -- valid -- Yellow-lined Bachia
  Bachia geralista Teixeira, Sousa-Recoder, Camacho, de Sena, Navas and Rodrigues, 2013 -- valid
  Bachia guianensis Hoogmoed and Dixon, 1977 -- valid -- Guyana Bachia
  Bachia heteropa (Lichtenstein and Martens in Lichtenstein, 1856) -- valid -- LaGuaira Bachia, Worm Lizard
  Bachia heteropa lineata Boulenger, 1903 -- invalid
  Bachia huallagana Dixon, 1973 -- valid -- Dixon's Bachia
  Bachia intermedia Noble, 1921 -- valid -- Noble's Bachia
  Bachia micromela Rodrigues, Pavan and Curcio, 2007 -- valid
  Bachia pallidiceps (Cope, 1862) -- valid -- Cope's Bachia
  Bachia panoplia Thomas, 1965 -- valid
  Bachia peruana (Werner, 1901) -- valid -- Peru Bachia
  Bachia psamophila Rodrigues, Pavan and Curcio, 2007 -- valid
  Bachia pyburni Kizirian and McDiarmid, 1998 -- valid
  Bachia scaea Teixeira, Dal Vechio, Nunes, Mollo-Neto, Moreira-Lobo, Storti, Junqueira-Gaiga et al., 2013 -- valid
  Bachia scolecoides Vanzolini, 1961 -- valid -- Vanzolini's Bachia
  Bachia talpa Ruthven, 1925 -- valid -- Ruthven's Bachia
  Bachia trisanale (Cope, 1868) -- valid -- Stacy's Bachia
  Bachia trisanale abendrothi (Peters, 1871) -- valid
  Bachia trisanale trisanale (Cope, 1868) -- valid
  Bachia trisanale vermiformis (Cope, 1874) -- valid
  Baikia africana Gray, 1865 -- valid -- West African Worm Lizard
  Balanophis H. M. Smith, 1938 -- valid
  Balanophis ceylonensis (Günther, 1858) -- valid -- Sri Lankan Keelback Blossom Krait
  Bamanophis dorri (Lataste, 1888) -- valid
  Barisia herrerae Zaldívar-Riverón and Nieto-Montes de Oca, 2002 -- valid -- Herrera's Alligator Lizard
  Barisia imbricata (Wiegmann, 1828) -- valid -- Imbricate Alligator Lizard, Lagarto alicante del Popocatépetl, Transvolcanic Alligator Lizard
  Barisia imbricata jonesi Guillette and Smith, 1982 -- invalid
  Barisia levicollis Stejneger, 1890 -- valid -- Chihuahuan Alligator Lizard, Lagarto alicante de Chihuahua
  Barisia rudicollis (Wiegmann, 1828) -- valid -- Lagarto alicante cuello rugoso, Rough-necked Alligator Lizard
  Barkudia insularis Annandale, 1917 -- valid -- Madras Spotted Skink
  Barkudia melanosticta (Schneider, 1801) -- valid -- Visakhapatnam Limbless Skink
  Bassiana duperreyi (Gray, 1838) -- invalid
  Bassiana platynota (Peters, 1881) -- invalid
  Bassiana trilineata (Gray, 1838) -- invalid
  Bellatorias frerei (Günther, 1897) -- valid -- Major Skink
  Bellatorias major (Gray, 1845) -- valid -- Land Mullet
  Bellatorias obiri (Wells and Wellington, 1985) -- valid -- Arnhem Land Gorges Skink
  Bipedidae Taylor, 1951 -- valid -- Two-legged Worm Lizards
  Bipes biporus (Cope, 1894) -- valid -- Five-toed Worm Lizard, Lagartija-topo cinco dedos
  Bipes canaliculatus Latreille in Sonnini and Latreille, 1801 -- valid -- Four-toed Worm Lizard, Lagartija-topo cuatro dedos
  Bipes canaliculatus canaliculatus Latreille in Sonnini and Latreille, 1801 -- valid
  Bipes canaliculatus multiannulatus Alvarez, 1966 -- valid
  Bipes tridactylus (Dugès, 1894) -- valid -- Lagartija-topo tres dedos, Three-toed Worm Lizard
  Bitis albanica Hewitt, 1937 -- valid -- Albany Adder
  Bitis arietans (Merrem, 1820) -- valid -- Puff Adder
  Bitis arietans arietans (Merrem, 1820) -- valid
  Bitis arietans somalica Parker, 1949 -- valid
  Bitis armata (A. Smith, 1826) -- valid
  Bitis atropos (Linnaeus, 1758) -- valid -- Mountain Adder
  Bitis atropos atropos (Linnaeus, 1758) -- valid
  Bitis atropos unicolor Fitzsimons, 1959 -- valid
  Bitis caudalis (A. Smith, 1839) -- valid -- Horned Adder
  Bitis cornuta (Daudin, 1803) -- valid -- Many-horned Adder
  Bitis gabonica (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Gaboon Adder, Gaboon Viper
  Bitis heraldica (Bocage, 1889) -- valid -- Angolan Adder, Bocage's Horned Adder
  Bitis inornata (A. Smith, 1838) -- valid -- Hornless Adder, Plain Mountain Adder
  Bitis nasicornis (Shaw, 1802) -- valid -- Rhinoceros Viper
  Bitis parviocula Böhme, 1976 -- valid -- Bale Mountains Adder
  Bitis peringueyi (Boulenger, 1888) -- valid -- Dwarf Puff Adder, Peringuey's Adder
  Bitis rhinoceros (Schlegel, 1855) -- valid
  Bitis rubida Branch, 1997 -- valid
  Bitis schneideri (Boettger, 1886) -- valid -- Namaqua Dwarf Adder, Namaqua Puff Adder
  Bitis worthingtoni Parker, 1932 -- valid -- Kenya Horned Viper
  Bitis xeropaga Haacke, 1975 -- valid -- Desert Mountain Adder
  Blanidae Kearney, 2003 -- valid
  Blanus cinereus (Vandelli, 1797) -- valid -- Mediterranean Worm Lizard
  Blanus mariae Albert and Fernández, 2009 -- invalid
  Blanus mettetali Bons, 1963 -- valid
  Blanus strauchi (Bedriaga, 1884) -- valid -- Turkish Worm Lizard
  Blanus strauchi bedriagae Boulenger, 1884 -- valid
  Blanus strauchi strauchi (Bedriaga, 1884) -- valid
  Blanus tingitanus Busack, 1988 -- valid
  Blythia Theobold, 1868 -- valid
  Blythia reticulata (Blyth, 1854) -- valid -- Blyth's Reticulate Snake
  Boa constrictor Linnaeus, 1758 -- valid -- Boa Constrictor, Boa constrictor
  Boa constrictor amarali (Stull, 1932) -- valid
  Boa constrictor constrictor Linnaeus, 1758 -- valid
  Boa constrictor imperator Daudin, 1803 -- valid
  Boa constrictor longicauda Price and Russo, 1991 -- valid
  Boa constrictor mexicana Jan, 1863 -- valid
  Boa constrictor nebulosa (Lazell, 1964) -- valid
  Boa constrictor occidentalis Philippi, 1873 -- valid
  Boa constrictor orophias Linnaeus, 1758 -- valid
  Boa constrictor ortonii Cope, 1878 -- valid
  Boa constrictor sabogae (Barbour, 1906) -- valid
  Boa imperator Daudin, 1803 -- invalid
  Boaedon fuliginosus (F. Boie, 1827) -- valid -- African House Snake, Brown House Snake
  Boaedon fuliginosus fuliginosus (F. Boie, 1827) -- valid
  Boaedon fuliginosus mentalis Günther, 1888 -- valid
  Boaedon lineatus A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854 -- valid -- Striped House Snake
  Boaedon maculatus Parker, 1932 -- valid -- Dotted House Snake, Somali House Snake
  Boaedon olivaceus (A. H. A. Duméril, 1856) -- valid -- Olive House Snake
  Boaedon virgatus (Hallowell, 1854) -- valid -- Dark-bellied House Snake, Hallowell's House Snake
  Bogertophis rosaliae (Mocquard, 1899) -- valid -- Baja California Rat Snake, Baja California Ratsnake, Culebra-ratonera de Baja California
  Bogertophis subocularis (Brown, 1901) -- valid -- Culebra-ratonera de Transpecos, Trans-Pecos Rat Snake, Trans-Pecos Ratsnake
  Bogertophis subocularis amplinotus Webb, 1990 -- valid
  Bogertophis subocularis subocularis (Brown, 1901) -- valid -- Northern Trans-Pecos Ratsnake, Trans-Pecos Rat Snake
  Boidae Gray, 1825 -- valid -- Boas, Boids
  Boiga andamanensis (Wall, 1909) -- valid -- Andaman Cat Snake
  Boiga angulata (W. C. H. Peters, 1861) -- valid -- Leyte Cat Snake, Philippine Blunt-headed Cat Snake
  Boiga barnesii (Günther, 1869) -- valid
  Boiga beddomei (Wall, 1909) -- valid -- Beddome's Cat Snake
  Boiga bengkuluensis Orlov, Kudryavtzev, Ryabov and Shumakov, 2003 -- valid
  Boiga bourreti Tillack, Ziegler and Khac Quyet, 2004 -- valid -- Bourret's Cat Snake
  Boiga ceylonensis (Günther, 1858) -- valid -- Sri Lanka Cat Snake
  Boiga cyanea (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Green Cat Snake
  Boiga cynodon (F. Boie, 1827) -- valid -- Dog-toothed Cat Snake
  Boiga dendrophila (F. Boie, 1827) -- valid -- Gold-ringed Cat Snake
  Boiga dendrophila annectens (Boulenger, 1896) -- valid
  Boiga dendrophila dendrophila (F. Boie, 1827) -- valid
  Boiga dendrophila divergens Taylor, 1922 -- valid
  Boiga dendrophila gemmicincta (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid
  Boiga dendrophila latifasciata (Boulenger, 1896) -- valid
  Boiga dendrophila levitoni Gaulke, Demegillo and Vogel, 2005 -- valid
  Boiga dendrophila melanota (Boulenger, 1896) -- valid
  Boiga dendrophila multicincta (Boulenger, 1896) -- valid
  Boiga dendrophila occidentalis Brongersma, 1934 -- valid
  Boiga dightoni (Boulenger, 1894) -- valid -- Pirmad Cat Snake
  Boiga drapiezii (H. Boie in F. Boie, 1827) -- valid -- Drapiez's Cat Snake, White-spotted Cat Snake
  Boiga flaviviridis Vogel and Ganesh, 2013 -- valid
  Boiga forsteni (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Forsten's Cat Snake
  Boiga gokool (Gray, 1835) -- valid -- Arrowback Tree Snake
  Boiga guangxiensis Wen, 1998 -- valid
  Boiga hoeseli Ramadhan, Iskandar and Subasri, 2010 -- valid -- Lesser Sundas Cat Snake
  Boiga irregularis (Bechstein, 1802) -- valid -- Brown Cat Snake, Brown Tree Snake, Brown Treesnake
  Boiga jaspidea (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Jasper Cat Snake
  Boiga kraepelini Stejneger, 1902 -- valid -- Kelung Cat Snake
  Boiga multifasciata (Blyth, 1861) -- valid -- Many-banded Tree Snake
  Boiga multomaculata (F. Boie, 1827) -- valid -- Many-spotted Cat Snake
  Boiga nigriceps (Günther, 1863) -- valid -- Black-headed Cat Snake
  Boiga nigriceps brevicauda M. A. Smith, 1926 -- valid
  Boiga nigriceps nigriceps (Günther, 1863) -- valid
  Boiga nuchalis (Günther, 1875) -- valid -- Collared Cat Snake, Collared Catsnake
  Boiga ochracea (Theobald, 1868) -- valid -- Tawny Cat Snake
  Boiga ochracea ochracea (Theobald, 1868) -- valid
  Boiga ochracea stoliczkae (Wall, 1909) -- valid
  Boiga ochracea walli M. A. Smith, 1943 -- valid
  Boiga philippina (Peters, 1867) -- valid -- Philippine Cat Snake
  Boiga quincunciata (Wall, 1908) -- valid
  Boiga saengsomi Nutaphand, 1985 -- valid -- Banded Cat Snake
  Boiga schultzei Taylor, 1923 -- valid -- Schultz's Blunt-headed Tree Snake
  Boiga siamensis Nutaphand, 1971 -- valid -- Eyed Cat Snake, Gray Cat Snake
  Boiga tanahjampeana Orlov and Ryabov, 2002 -- valid -- Tanahjampea Cat Snake
  Boiga trigonata (Schneider, 1802) -- valid -- Common Cat Snake, Indian Gamma Snake
  Boiga trigonata melanocephala (Annandale, 1904) -- valid
  Boiga trigonata trigonata (Schneider, 1802) -- valid
  Boiga wallachi Das, 1998 -- valid -- Nicobar Cat Snake
  Boiruna maculata (Boulenger, 1896) -- valid -- Mussurana
  Boiruna sertaneja Zaher, 1996 -- valid
  Borikenophis portoricensis (Reinhardt and Lütken, 1862) -- valid -- Puerto Rican Racer
  Borikenophis portoricensis anegadae (Barbour, 1917) -- valid
  Borikenophis portoricensis aphantus (Schwartz, 1966) -- valid
  Borikenophis portoricensis nicholsi (Grant, 1937) -- valid
  Borikenophis portoricensis portoricensis (Reinhardt and Lütken, 1862) -- valid
  Borikenophis portoricensis prymnus (Schwartz, 1966) -- valid
  Borikenophis portoricensis richardi (Grant, 1946) -- valid
  Borikenophis sancticrucis (Cope, 1862) -- valid -- St. Croix Racer
  Borikenophis variegatus (Schmidt, 1926) -- valid -- Puerto Rican Racer
  Bothriechis aurifer (Salvin, 1860) -- valid -- Nauyaca-de árbol manchas amarillas, Yellow-blotched Palm Pit Viper
  Bothriechis bicolor (Bocourt, 1868) -- valid -- Guatemala Palm Pit Viper, Nauyaca-de árbol bicolor
  Bothriechis guifarroi Townsend, Medina-Flores, Wilson, Jadin and Austin, 2013 -- valid
  Bothriechis lateralis Peters, 1862 -- valid -- Coffee Palm Viper
  Bothriechis marchi (Barbour and Loveridge, 1929) -- valid -- March's Palm Pit Viper
  Bothriechis nigroviridis Peters, 1859 -- valid -- Black-speckled Palm Pit Viper
  Bothriechis rowleyi (Bogert, 1968) -- valid -- Nauyaca-de árbol de Rowley, Rowley's Palm Pit Viper
  Bothriechis schlegelii (Berthold, 1846) -- valid -- Eyelash Viper
  Bothriechis supraciliaris (Taylor, 1954) -- valid -- Blotched Palm-pitviper
  Bothriechis thalassinus Campbell and H. M. Smith, 2000 -- valid
  Bothriopsis chloromelas (Boulenger, 1912) -- invalid
  Bothrocophias andianus (Amaral, 1923) -- valid -- Andean Lancehead
  Bothrocophias campbelli (Freire-Lascano, 1991) -- valid
  Bothrocophias colombianus (Rendahl and Vestergren, 1940) -- valid -- Colombian Lancehead, Munchique's Rufous Lancehead
  Bothrocophias hyoprora (Amaral, 1935) -- valid -- Hognose Lancehead
  Bothrocophias microphthalmus (Cope, 1875) -- valid
  Bothrocophias myersi Gutberlet and Campbell, 2001 -- valid
  Bothrolycus ater Günther, 1874 -- valid -- Günther's Black Snake
  Bothrophthalmus brunneus Günther, 1863 -- valid
  Bothrophthalmus lineatus (Peters, 1863) -- valid -- Red-black Striped Snake
  Bothrops alcatraz Marques, Martins and Sazima, 2002 -- valid -- Alcatrazes Lancehead
  Bothrops alternatus A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854 -- valid -- Urutu
  Bothrops ammodytoides Leybold, 1873 -- valid -- Yararanata
  Bothrops asper (Garman, 1883) -- valid -- Nauyaca-terciopelo real, Terciopelo, Terciopelo
  Bothrops atrox (Linnaeus, 1758) -- valid -- Barba Amarilla, Common Lancehead, Fer-de-Lance
  Bothrops ayerbei Folleco-Fernandez, 2010 -- valid -- Ayerbe's Lancehead
  Bothrops barnetti Parker, 1938 -- valid -- Barnett's Lancehead
  Bothrops bilineatus smaragdinus Hoge, 1966 -- valid
  Bothrops brazili Hoge, 1954 -- valid -- Brazil's Lancehead
  Bothrops caribbaeus (Garman, 1887) -- valid -- Saint Lucia Viper
  Bothrops cotiara (Gomes, 1913) -- valid
  Bothrops diporus Cope, 1862 -- valid
  Bothrops erythromelas Amaral, 1923 -- valid -- Caatinga Lancehead
  Bothrops fonsecai Hoge and Belluomini, 1959 -- valid -- Fonseca's Lancehead
  Bothrops insularis (Amaral, 1921) -- valid -- Golden Lancehead
  Bothrops isabelae Sandner-Montilla, 1979 -- invalid
  Bothrops itapetiningae (Boulenger, 1907) -- valid -- Sao Paulo Lancehead
  Bothrops jararaca (Wied-Neuwied, 1824) -- valid
  Bothrops jararacussu Lacerda, 1884 -- valid
  Bothrops jonathani Harvey, 1994 -- valid -- Jonathan's Lancehead
  Bothrops lanceolatus (Bonnaterre, 1790) -- valid -- Martinique Lancehead
  Bothrops leucurus Wagler, 1824 -- valid -- Whitetail Lancehead
  Bothrops lojanus Parker, 1930 -- valid -- Lojan Lancehead
  Bothrops lutzi (Miranda-Ribeiro, 1915) -- valid
  Bothrops marajoensis Hoge, 1966 -- valid -- Marajó Lancehead
  Bothrops marmoratus da Silva and Rodrigues, 2008 -- valid -- Marbled lancehead
  Bothrops matogrossensis Amaral, 1925 -- valid
  Bothrops moojeni Hoge, 1966 -- valid -- Brazilian Lancehead
  Bothrops muriciensis Ferrarezzi and Freire, 2001 -- valid
  Bothrops neuwiedi Wagler, 1824 -- valid -- Jararaca Pintada
  Bothrops oligolepis (Werner, 1901) -- valid -- Inca Forest Pit Viper
  Bothrops osbornei Freire-Lascano, 1991 -- valid
  Bothrops otavioi Barbo, Grazziotin, Sazima, Martins and Sawaya, 2012 -- valid
  Bothrops pauloensis Amaral, 1925 -- valid
  Bothrops pictus (Tschudi, 1845) -- valid -- Desert Lancehead
  Bothrops pirajai Amaral, 1923 -- valid -- Piraja's Lancehead
  Bothrops pubescens (Cope, 1870) -- valid
  Bothrops punctatus (Garcia, 1896) -- valid -- Chocoan Forest Pit Viper, Golden Lancehead
  Bothrops rhombeatus Garcia, 1896 -- valid -- Cat Lancehead, Cauca Valley Yellow Lancehead
  Bothrops sanctaecrucis Hoge, 1966 -- valid -- Bolivian Lancehead
  Bothrops venezuelensis Sandner-Montilla, 1952 -- valid
  Brachymeles apus Hikida, 1982 -- valid -- Hikida's Short-legged Skink
  Brachymeles bicolandia Siler, Fuiten, Jones, Alcala and Brown, 2011 -- valid -- Bicol Slender Skink
  Brachymeles bicolor (Gray, 1845) -- valid -- Two-colored Short-legged Skink
  Brachymeles boholensis Brown and Rabor, 1967 -- valid -- Bohol Short-legged Skink
  Brachymeles bonitae A. M. C. Duméril and Bibron, 1839 -- valid -- Pretty Short-legged Skink, Stub-limbed Burrowing Skink
  Brachymeles boulengeri Taylor, 1922 -- valid -- Boulenger's Short-legged Skink
  Brachymeles brevidactylus Siler, Fuiten, Jones, Alcala and Brown, 2011 -- valid -- Southern Bicol Slender Skink
  Brachymeles cebuensis Brown and Rabor, 1967 -- valid -- Rabor's Short-legged Skink
  Brachymeles cobos Siler, Fuiten, Jones, Alcala and Brown, 2011 -- valid -- Catanduañes Slender Skink
  Brachymeles elerae Taylor, 1917 -- valid -- Common Short-legged Skink
  Brachymeles gracilis (Fischer, 1885) -- valid -- Graceful Short-legged Skink
  Brachymeles hilong Brown and Rabor, 1967 -- valid -- Graceful Short-legged Skink
  Brachymeles kadwa Siler and Brown, 2010 -- valid -- Jessi's Slender Skink
  Brachymeles libayani Siler, Fuiten, Jones, Alcala and Brown, 2011 -- valid -- Lapinig Islands' Slender Skink
  Brachymeles lukbani Siler, Balete, Diesmos and Brown, 2010 -- valid
  Brachymeles makusog Siler, Diesmos and Brown, 2010 -- valid
  Brachymeles mindorensis Brown and Rabor, 1967 -- valid -- Mindoro Short-legged Skink
  Brachymeles minimus Brown and Alcala, 1995 -- valid
  Brachymeles miriamae (Heyer, 1972) -- valid -- Miriam's Skink
  Brachymeles muntingkamay Siler, Rico, Duya and Brown, 2009 -- valid -- Caraballo Mountains Loam-swimming Skink
  Brachymeles orientalis Brown and Rabor, 1967 -- valid -- Southern Burrowing Skink
  Brachymeles paeforum Siler, Fuiten, Jones, Alcala and Brown, 2011 -- valid -- PAEF Slender Skink
  Brachymeles pathfinderi Taylor, 1925 -- valid -- Pathfinder Short-legged Skink
  Brachymeles samad Siler, Jones, Diesmos, Diesmos and Brown, 2012 -- valid -- Eastern Visayas Slender Skink
  Brachymeles samarensis Brown, 1956 -- valid -- Brown's Short-legged Skink
  Brachymeles schadenbergi (Fischer, 1885) -- valid -- Schadenberg's Burrowing Skink
  Brachymeles suluensis Taylor, 1918 -- valid -- Graceful Short-legged Skink
  Brachymeles talinis Brown, 1956 -- valid -- Duméril's Short-legged Skink
  Brachymeles taylori Brown, 1956 -- valid -- Taylor's Short-legged Skink
  Brachymeles tiboliorum Siler, Jones, Diesmos, Diesmos and Brown, 2012 -- valid -- Western Mindanao Slender Skink
  Brachymeles tridactylus Brown, 1956 -- valid -- Three-fingered Short-legged Skink
  Brachymeles tungaoi Siler and Brown, 2010 -- valid -- Tungao's Slender Skink
  Brachymeles vermis Taylor, 1918 -- valid -- Taylor's Short-legged Skink
  Brachymeles vindumi Siler and Brown, 2010 -- valid -- Jens' Slender Skink
  Brachymeles vulcani Siler, Jones, Diesmos, Diesmos and Brown, 2012 -- valid -- Camiguin Sur Slender Skink
  Brachymeles wrighti Taylor, 1925 -- valid -- Wright's Short-legged Skink
  Brachyophidium Wall, 1921 -- invalid
  Brachyophidium rhodogaster Wall, 1921 -- invalid
  Brachyophis revoili Mocquard, 1888 -- valid -- Revoil's Short Snake
  Brachyophis revoili cornii Scortecci, 1932 -- valid
  Brachyophis revoili krameri Lanza, 1966 -- valid
  Brachyophis revoili revoili Mocquard, 1888 -- valid
  Brasiliscincus agilis (Raddi, 1823) -- valid
  Brasiliscincus caissara (Reboucas-Spieker, 1974) -- valid -- Caissara Squamata
  Brasiliscincus heathi (Schmidt and Inger, 1951) -- valid -- Brazilian Mabuya
  Brygophis coulangesi (Domergue, 1988) -- valid
  Buhoma depressiceps (Werner, 1897) -- valid -- Pale-headed Forest Snake
  Buhoma depressiceps depressiceps (Werner, 1897) -- valid
  Buhoma depressiceps marlieri (Laurent, 1956) -- valid
  Buhoma procterae (Loveridge, 1922) -- valid -- Uluguru Forest Snake
  Buhoma vauerocegae (Tornier, 1902) -- valid -- Usambara Forest Snake
  Caaeteboia amarali (Wettstein, 1930) -- valid -- Amaral's Ground Snake
  Cadea blanoides Stejneger, 1916 -- valid -- Cuban Spotted Worm Lizard, Spotted Amphisbaena
  Cadea palirostrata Dickerson, 1916 -- valid -- Cuban Sharp-nosed Worm Lizard, Sharp-nosed Amphisbaena
  Cadeidae Vidal and Hedges, 2007 -- valid -- Cuban Worm Lizards
  Calabaria reinhardtii (Schlegel, 1848) -- valid
  Calamaria abramovi Orlov, 2009 -- valid
  Calamaria abstrusa Inger and Marx, 1965 -- valid
  Calamaria acutirostris Boulenger, 1896 -- valid -- Pointed Snout Reed Snake
  Calamaria albiventer (Gray, 1835) -- valid -- White-bellied Reed Snake
  Calamaria alidae Boulenger, 1920 -- valid
  Calamaria apraeocularis M. A. Smith, 1927 -- valid -- Apreocular Reed Snake
  Calamaria banggaiensis Koch, Arida, McGuire, Iskandar and Böhme, 2009 -- valid -- Banggai Reed Snake
  Calamaria battersbyi Inger and Marx, 1965 -- valid
  Calamaria bicolor A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854 -- valid -- Two-colored Dwarf Snake
  Calamaria bitorques Peters, 1872 -- valid -- Luzon Dwarf Snake
  Calamaria boesemani Inger and Marx, 1965 -- valid -- Boeseman's Reed Snake
  Calamaria borneensis Bleeker, 1860 -- valid
  Calamaria brongersmai Inger and Marx, 1965 -- valid -- Brongersma's Reed Snake
  Calamaria buchi Marx and Inger, 1955 -- valid -- Dalat Dwarf Snake
  Calamaria butonensis Howard and Gillespie, 2007 -- valid
  Calamaria ceramensis de Rooij, 1913 -- valid
  Calamaria concolor Orlov, T. Q. Nguyen, T. T. Nguyen, Ananjeva and Cuc Thu Ho, 2010 -- valid
  Calamaria crassa Lidth de Jeude, 1922 -- valid
  Calamaria curta Boulenger, 1896 -- valid -- Dark-bellied Reed Snake
  Calamaria doederleini Gough, 1902 -- valid
  Calamaria eiselti Inger and Marx, 1965 -- valid
  Calamaria everetti Boulenger, 1893 -- valid
  Calamaria forcarti Inger and Marx, 1965 -- valid
  Calamaria gervaisii A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854 -- valid -- Gervais' Reed Snake, Philippine Dwarf Snake
  Calamaria gialaiensis Ziegler, Nguyen Van Sang and T. Q. Nguyen, 2009 -- valid -- Gia Lai Reed Snake, Gia LaiReed Snake
  Calamaria grabowskyi Fischer, 1885 -- valid
  Calamaria gracillima (Günther, 1872) -- valid
  Calamaria griswoldi Loveridge, 1938 -- valid
  Calamaria hilleniusi Inger and Marx, 1965 -- valid
  Calamaria ingeri Grismer, Kaiser and Yaakob, 2004 -- valid
  Calamaria javanica Boulenger, 1891 -- valid
  Calamaria javanica javanica Boulenger, 1891 -- valid
  Calamaria javanica lineata Brongersma, 1928 -- valid
  Calamaria joloensis Taylor, 1922 -- valid -- Jolo Worm Snake
  Calamaria lateralis Mocquard, 1890 -- valid
  Calamaria lautensis de Rooij, 1917 -- valid
  Calamaria leucogaster Bleeker, 1860 -- valid -- Ampat Lawang Dwarf Snake
  Calamaria linnaei H. Boie in F. Boie, 1827 -- valid -- Linne's Dwarf Snake
  Calamaria longirostris Howard and Gillespie, 2007 -- valid
  Calamaria lovii Boulenger, 1887 -- valid -- Lovi's Reed Snake
  Calamaria lovii gimletti Boulenger, 1905 -- valid
  Calamaria lovii ingermarxorum Darevsky and Orlov, 1992 -- valid
  Calamaria lovii lovii Boulenger, 1887 -- valid
  Calamaria lovii wermuthi Inger and Marx, 1965 -- valid
  Calamaria lumbricoidea H. Boie in F. Boie, 1827 -- valid -- Variable Reed Snake
  Calamaria lumholtzi Andersson, 1923 -- valid
  Calamaria margaritophora Bleeker, 1860 -- valid -- Bleeker's Dwarf Snake
  Calamaria mecheli Schenkel, 1901 -- valid
  Calamaria melanota Jan, 1862 -- valid
  Calamaria modesta A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854 -- valid
  Calamaria monticola Cantor, 1839 -- invalid
  Calamaria muelleri Boulenger, 1896 -- valid -- Mueller's Reed Snake
  Calamaria nuchalis Boulenger, 1896 -- valid -- Narrow-headed Reed Snake
  Calamaria obscurostriata Blyth, 1854 -- invalid
  Calamaria palawanensis Inger and Marx, 1965 -- valid -- Palawan Worm Snake
  Calamaria pavimentata A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854 -- valid -- Collared Reed Snake
  Calamaria pavimentata miyarai Takara, 1962 -- valid
  Calamaria pavimentata pavimentata A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854 -- valid
  Calamaria pfefferi Stejneger, 1901 -- valid -- Pfeffer's Reed Snake
  Calamaria prakkei Lidth de Jeude, 1893 -- valid -- Prakke's Reed Snake
  Calamaria rebentischi Bleeker, 1860 -- valid
  Calamaria reticulata Blyth, 1854 -- invalid
  Calamaria sangi T. Q. Nguyen, Koch and Ziegler, 2009 -- valid -- Sang's Reed Snake
  Calamaria schlegeli A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854 -- valid -- Pink-headed Reed Snake, White-headed Reed Snake
  Calamaria schlegeli cuvieri Jan, 1862 -- valid
  Calamaria schlegeli schlegeli A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854 -- valid
  Calamaria schmidti Marx and Inger, 1955 -- valid -- Schmidt's Reed Snake
  Calamaria septentrionalis Boulenger, 1890 -- valid -- Hong Kong Dwarf Snake
  Calamaria suluensis Taylor, 1922 -- valid
  Calamaria sumatrana Edeling, 1870 -- valid -- Sumatra Dwarf Snake
  Calamaria thanhi Ziegler and Quyet, 2005 -- valid -- Thanh's Reed Snake
  Calamaria ulmeri Sackett, 1940 -- valid
  Calamaria virgulata H. Boie in F. Boie, 1827 -- valid -- Boie's Dwarf Snake
  Calamaria yunnanensis Chernov, 1962 -- valid
  Calamodontophis paucidens (Amaral, 1936) -- valid -- Tropical Forest Snake
  Calamodontophis ronaldoi Franco, de Carvalho Cintra and de Lema, 2006 -- valid
  Calamohydrus andersonii Boulenger, 1888 -- invalid
  Calamorhabdium acuticeps Ahl, 1933 -- valid -- Sulawesi Iridescent Snake
  Calamorhabdium kuekenthali Boettger, 1898 -- valid -- Batjan Iridescent Snake
  Caledoniscincus aquilonius Sadlier, Bauer and Colgan, 1999 -- valid
  Caledoniscincus atropunctatus (Roux, 1913) -- valid
  Caledoniscincus auratus Sadlier, Bauer and Colgan, 1999 -- valid
  Caledoniscincus austrocaledonicus (Bavay, 1869) -- valid
  Caledoniscincus chazeaui Sadlier, Bauer and Colgan, 1999 -- valid
  Caledoniscincus constellatus Sadlier, Whitaker, Wood and Bauer, 2012 -- valid
  Caledoniscincus cryptos Sadlier, Bauer and Colgan, 1999 -- valid
  Caledoniscincus festivus (Roux, 1913) -- valid
  Caledoniscincus haplorhinus (Günther, 1872) -- valid
  Caledoniscincus notialis Sadlier, Smith, Bauer and Wood in Sadlier et al., 2013 -- valid
  Caledoniscincus orestes Sadlier, 1987 -- valid
  Caledoniscincus renevieri Sadlier, Bauer and Colgan, 1999 -- valid
  Caledoniscincus terma Sadlier, Bauer and Colgan, 1999 -- valid
  Callopistes flavipunctatus (Duméril and Bibron, 1839) -- valid -- False Monitor
  Callopistes maculatus Gravenhorst, 1838 -- valid -- Spotted False Monitor
  Callopistes maculatus atacamensis Donoso-Barros, 1960 -- valid
  Callopistes maculatus maculatus Gravenhorst, 1838 -- valid
  Callopistes maculatus manni Donoso-Barros, 1960 -- valid
  Calloselasma rhodostoma (Kuhl, 1824) -- valid -- Malayan Pit Viper
  Calloselasma rhodostoma annamensis (Angel, 1933) -- valid
  Calloselasma rhodostoma rhodostoma (Kuhl, 1824) -- valid
  Calyptommatus confusionibus Rodrigues, Zaher and Curcio, 2001 -- valid
  Calyptommatus leiolepis Rodrigues, 1991 -- valid
  Calyptommatus nicterus Rodrigues, 1991 -- valid -- Rodrigues' Microteeid
  Calyptommatus sinebrachiatus Rodrigues, 1991 -- valid -- Lesser Microteiid
  Calyptotis lepidorostrum Greer, 1983 -- valid -- Cone-eared Calyptotis
  Calyptotis ruficauda Greer, 1983 -- valid -- Red-tailed Calyptotis
  Calyptotis scutirostrum (Peters, 1874) -- valid -- Scute-snouted Calyptotis
  Calyptotis temporalis Greer, 1983 -- valid -- Broad-templed Calyptotis
  Calyptotis thorntonensis Greer, 1983 -- valid -- Thornton Peak Calyptotis, Thornton Peak Skink
  Candoia aspera (Günther, 1877) -- valid
  Candoia aspera aspera (Günther, 1877) -- valid
  Candoia aspera schmidti (Stull, 1932) -- valid
  Candoia bibroni (A. M. C. Duméril and Bibron, 1844) -- valid -- Bibron's Bevel-nosed Boa, Bibron's Keel-scaled Boa, Pacific Tree Boa
  Candoia bibroni australis (Montrouzier, 1860) -- valid
  Candoia bibroni bibroni (A. M. C. Duméril and Bibron, 1844) -- valid
  Candoia carinata (Schneider, 1801) -- valid -- Pacific Ground Boa, Pacific Keel-scaled Boa
  Candoia carinata carinata (Schneider, 1801) -- valid
  Candoia carinata tepedeleni H. M. Smith, Chiszar, Tepedelen and van Breukelen, 2001 -- valid
  Candoia paulsoni (Stull, 1956) -- valid -- Solomon Island Ground Boa
  Candoia paulsoni mcdowelli H. M. Smith and Chiszar, 2001 -- valid
  Candoia paulsoni paulsoni (Stull, 1956) -- valid
  Candoia paulsoni rosadoi H. M. Smith and Chiszar, 2001 -- valid
  Candoia paulsoni sadlieri H. M. Smith and Chiszar, 2001 -- valid
  Candoia paulsoni tasmai H. M. Smith and Tepedelen, 2001 -- valid
  Candoia paulsoni vindumi H. M. Smith and Chiszar, 2001 -- valid
  Candoia superciliosa (Günther, 1863) -- valid -- Palau Bevel-nosed Boa
  Candoia superciliosa crombiei H. M. Smith, Chiszar, Tepedelen and van Breukelen, 2001 -- valid
  Candoia superciliosa superciliosa (Günther, 1863) -- valid
  Caparaonia itaiquara Rodrigues, Cassimiro, Pavan, Curcio, Kruth Verdade and Machado Pellegrino, 2009 -- valid
  Capitellum mariagalantae Hedges and Conn, 2012 -- valid -- Marie-Galante Skink
  Capitellum metallicum (Bocourt, 1879) -- valid -- Lesser Martinique Skink
  Capitellum parvicruzae Hedges and Conn, 2012 -- valid -- Lesser Saint Croix Skink
  Caraiba andreae (Reinhardt and Lütken, 1862) -- valid -- Black and White Racer
  Caraiba andreae andreae (Reinhardt and Lütken, 1862) -- valid
  Caraiba andreae melopyrrha (Thomas and Garrido, 1967) -- valid
  Caraiba andreae morenoi (Garrido, 1973) -- valid
  Caraiba andreae nebulatus (Barbour, 1916) -- valid
  Caraiba andreae orientalis (Barbour and Ramsden, 1919) -- valid
  Caraiba andreae peninsulae (Schwartz and Thomas, 1960) -- valid
  Carlia aenigma Zug, 2004 -- valid
  Carlia ailanpalai Zug, 2004 -- valid -- Curious Skink
  Carlia amax Storr, 1974 -- valid -- Bauxite Rainbow-skink
  Carlia aramia Zug, 2004 -- valid
  Carlia babarensis (Kopstein, 1926) -- valid
  Carlia beccarii (Peters and Doria, 1878) -- valid
  Carlia bicarinata (Macleay, 1877) -- valid -- Rainbow-skink
  Carlia bomberai Zug and Allison, 2006 -- valid
  Carlia caesius Zug and Allison, 2006 -- valid
  Carlia decora Hoskin and Couper, 2012 -- valid -- Elegant Rainbow Skink
  Carlia diguliensis (Kopstein, 1926) -- valid
  Carlia dogare Covacevich and Ingram, 1975 -- valid -- Sandy Rainbow-skink
  Carlia eothen Zug, 2004 -- valid
  Carlia fusca (A. M. C. Duméril and Bibron, 1839) -- valid -- Brown Four-fingered Skink, Curious Skink, Indonesian Brown Skink Carlia
  Carlia gracilis Storr, 1974 -- valid -- Slender Rainbow-skink
  Carlia inconnexa Ingram and Covacevich, 1989 -- valid -- Whitsunday Rainbow Skink
  Carlia jarnoldae Covacevich and Ingram, 1975 -- valid -- Lined Rainbow-skink
  Carlia johnstonei Storr, 1974 -- valid -- Lined Rainbow-skink
  Carlia leucotaenia (Bleeker, 1860) -- valid
  Carlia longipes (Macleay, 1877) -- valid -- Closed-litter Rainbow-skink
  Carlia luctuosa (Peters and Doria, 1878) -- valid
  Carlia munda (De Vis, 1885) -- valid -- Shaded-litter Rainbow-skink
  Carlia mysi Zug, 2004 -- valid
  Carlia nigrauris Zug, 2010 -- valid
  Carlia pectoralis (De Vis, 1885) -- valid -- Open-litter Rainbow-skink
  Carlia peronii (A. M. C. Duméril and Bibron, 1839) -- valid
  Carlia pulla (Barbour, 1911) -- valid
  Carlia quinquecarinata (Macleay, 1877) -- valid -- Five-carinated Rainbow Skink
  Carlia rhomboidalis (Peters, 1869) -- valid -- Blue-throated Rainbow-skink
  Carlia rimula Ingram and Covacevich, 1980 -- invalid
  Carlia rostralis (De Vis, 1885) -- valid -- Black-throated Rainbow-skink, Hooded Rainbow Skink
  Carlia rubigo Hoskin and Couper, 2012 -- valid -- Orange-flanked Rainbow Skink
  Carlia rubrigularis Ingram and Covacevich, 1989 -- valid -- Northern Red-throated Skink, Red-throated Rainbow-skink
  Carlia rufilatus Storr, 1974 -- valid -- Red-sided Rainbow-skink
  Carlia schmeltzii (Peters, 1867) -- valid -- Robust Rainbow-skink
  Carlia sexdentata (Macleay, 1877) -- valid -- Closed-litter Rainbow-skink
  Carlia storri Ingram and Covacevich, 1989 -- valid -- Brown Bicarinate Rainbow-skink
  Carlia tetradactyla (O'Shaughnessy, 1879) -- valid -- Southern Rainbow-skink
  Carlia triacantha (Mitchell, 1953) -- valid -- Desert Rainbow-skink
  Carlia tutela Zug, 2004 -- valid
  Carlia vivax (De Vis, 1884) -- valid -- Tussock Rainbow-skink
  Carphophis amoenus (Say, 1825) -- valid -- Common Wormsnake, Eastern Worm Snake, Eastern Wormsnake
  Carphophis amoenus amoenus (Say, 1825) -- valid -- Eastern Worm Snake, Eastern Wormsnake
  Carphophis amoenus helenae (Kennicott, 1859) -- valid -- Midwest Worm Snake, Midwestern Wormsnake
  Carphophis vermis (Kennicott, 1859) -- valid -- Western Worm Snake, Western Wormsnake
  Causus bilineatus Boulenger, 1905 -- valid -- Two-lined Night Adder, Two-Striped Night Adder
  Causus defilippii (Jan, 1863) -- valid -- Snouted Night Adder
  Causus lichtensteinii (Jan, 1859) -- valid -- Forest Night Adder
  Causus maculatus (Hallowell, 1842) -- valid -- Spotted Night Adder, West-African Night Adder
  Causus resimus (Peters, 1862) -- valid -- Green Night Adder
  Causus rhombeatus (Lichtenstein, 1823) -- valid -- Common Night Adder, Rhombic Night Adder
  Celatiscincus euryotis (Werner, 1910) -- valid
  Celatiscincus similis Sadlier, Smith and Bauer, 2006 -- valid
  Celestus adercus Savage, Lips and Ibáñez, 2008 -- valid
  Celestus agasepsoides (Thomas, 1971) -- valid -- Serpentine Four-toed Galliwasp
  Celestus anelpistus (Schwartz, Graham and Duval, 1979) -- valid -- Altagracia Giant Galliwasp
  Celestus badius Cope, 1868 -- valid -- Navassa Galliwasp, Navassa Island Galliwasp
  Celestus barbouri Grant, 1940 -- valid -- Limestone Forest Galliwasp
  Celestus bivittatus (Boulenger, 1895) -- invalid
  Celestus costatus (Cope, 1862) -- valid -- Common Hispaniolan Galliwasp, Costate Galliwasp, Hispaniolan Smooth Galliwasp
  Celestus costatus aenetergum Schwartz and Jacobs, 1989 -- valid
  Celestus costatus chalcorhabdus (Schwartz, 1964) -- valid
  Celestus costatus costatus (Cope, 1862) -- valid
  Celestus costatus emys (Schwartz, 1971) -- valid
  Celestus costatus leionotus (Schwartz, 1964) -- valid
  Celestus costatus melanchrous (Schwartz, 1964) -- valid
  Celestus costatus neiba (Schwartz, 1964) -- valid
  Celestus costatus nesobous (Schwartz, 1964) -- valid
  Celestus costatus oreistes (Schwartz, 1964) -- valid
  Celestus costatus psychonothes (Schwartz, 1964) -- valid
  Celestus costatus saonae (Schwartz, 1971) -- valid
  Celestus crusculus (Garman, 1887) -- valid -- Garman's Galliwasp, Jamaican Galliwasp
  Celestus crusculus crusculus (Garman, 1887) -- valid
  Celestus crusculus cundalli Grant, 1940 -- valid
  Celestus crusculus maculatus (Garman, 1888) -- valid
  Celestus crusculus molesworthi Grant, 1940 -- valid
  Celestus curtissi Grant, 1951 -- valid -- Curtis' Galliwasp, Hispaniolan Khaki Galliwasp
  Celestus curtissi aporus (Schwartz, 1964) -- valid
  Celestus curtissi curtissi Grant, 1951 -- valid
  Celestus curtissi diastatus (Schwartz, 1964) -- valid
  Celestus curtissi hylonomus (Schwartz, 1964) -- valid
  Celestus cyanochloris Cope, 1894 -- valid
  Celestus darlingtoni Cochran, 1939 -- valid -- Darlington's Galliwasp, Hispaniolan Striped Galliwasp
  Celestus duquesneyi Grant, 1940 -- valid -- Blue-tailed Galliwasp, Duquesney's Galliwasp
  Celestus enneagrammus (Cope, 1861) -- valid -- Celesto huasteco, Huaxteca Lesser Galliwasp
  Celestus fowleri (Schwartz, 1971) -- valid -- Bromeliad Galliwasp, Fowler's Galliwasp
  Celestus haetianus (Cochran, 1927) -- valid -- Hispaniolan Earless Galliwasp
  Celestus haetianus haetianus (Cochran, 1927) -- valid
  Celestus haetianus mylicus (Schwartz, 1965) -- valid
  Celestus haetianus surdus (Schwartz, 1965) -- valid
  Celestus hewardi Gray, 1845 -- valid -- Heward's Galliwasp
  Celestus hylaius Savage and Lips, 1993 -- valid
  Celestus macrotus Thomas and Hedges, 1989 -- valid -- La Selle Galliwasp, Thomas' Galliwasp
  Celestus marcanoi (Schwartz and Incháustegui, 1976) -- valid -- Marcano's Galliwasp, Pico Duarte Galliwasp
  Celestus microblepharis (Underwood, 1959) -- valid -- Small-eyed Galliwasp, Tiny Eyelid Galliwasp
  Celestus montanus Schmidt, 1933 -- invalid
  Celestus occiduus (Shaw, 1802) -- valid -- Jamaican Giant Galliwasp, Sinking Galliwasp
  Celestus orobius Savage and Lips, 1993 -- valid
  Celestus rozellae Smith, 1942 -- valid -- Celesto vientre verde, Rozella's Lesser Galliwasp
  Celestus scansorius McCranie and Wilson, 1996 -- invalid
  Celestus sepsoides (Gray, 1852) -- valid -- Common four-toed Galliwasp, Hispaniolan Four-toed Galliwasp
  Celestus stenurus (Cope, 1862) -- valid -- Cope's Galliwasp, Hispaniolan Keeled Galliwasp
  Celestus stenurus alloeides (Schwartz, 1964) -- valid
  Celestus stenurus rugosus Cope, 1879 -- valid
  Celestus stenurus stenurus (Cope, 1862) -- valid
  Celestus stenurus weinlandi Cope, 1868 -- valid
  Celestus warreni (Schwartz, 1970) -- valid -- Haitian Giant Galliwasp, Hispaniolan Giant Galliwasp
  Cemophora coccinea (Blumenbach, 1788) -- valid -- Scarlet Snake, Scarletsnake
  Cemophora coccinea coccinea (Blumenbach, 1788) -- valid -- Florida Scarlet Snake, Florida Scarletsnake
  Cemophora coccinea copei Jan, 1863 -- valid -- Northern Scarlet Snake, Northern Scarletsnake
  Cemophora coccinea lineri Williams, Brown and Wilson, 1966 -- invalid -- Texas Scarlet Snake
  Cerastes boehmei Wagner and Wilms, 2010 -- valid
  Cerastes cerastes (Linnaeus, 1758) -- valid -- Desert Horned Viper
  Cerastes cerastes cerastes (Linnaeus, 1758) -- valid
  Cerastes cerastes hoofieni Werner, Sivan, Kushnir and Motro in Joger, 1999 -- valid
  Cerastes gasperettii Leviton and S. C. Anderson, 1967 -- valid
  Cerastes gasperettii gasperettii Leviton and S. C. Anderson, 1967 -- valid
  Cerastes gasperettii mendelssohni Werner, Sivan, Kushnir and Motro in Joger, 1999 -- valid
  Cerastes vipera (Linnaeus, 1758) -- valid -- Sahara Sand Viper
  Cercophis auratus (Schlegel, 1837) -- valid -- Schlegel's Golden Snake
  Cercosaura argulus Peters, 1863 -- valid -- White-lipped Prionodactylus
  Cercosaura dicra (Uzzell, 1973) -- invalid
  Cercosaura eigenmanni (Griffin, 1917) -- valid -- Eigenmann's Prionodactylus
  Cercosaura hypnoides Doan and Lamar, 2012 -- valid
  Cercosaura manicata O'Shaughnessy, 1881 -- valid -- Slender Prionodactylus
  Cercosaura manicata bolivianus (Werner, 1899) -- valid
  Cercosaura manicata manicata O'Shaughnessy, 1881 -- valid
  Cercosaura nigroventris (Gorzula and Senaris, 1999) -- valid
  Cercosaura ocellata Wagler, 1830 -- valid -- Ocellated Tegu
  Cercosaura ocellata bassleri Ruibal, 1952 -- invalid
  Cercosaura ocellata petersi Ruibal, 1952 -- invalid
  Cercosaura parkeri (Ruibal, 1952) -- valid -- Parker's Many-fingered Teiid
  Cercosaura phelpsorum (Lancini, 1968) -- valid
  Cercosaura quadrilineata Boettger, 1876 -- valid -- Lined Many-fingered Teiid
  Cercosaura schreibersii Wiegmann, 1834 -- valid -- Long-tailed Little Lizard, Schreibers' Many-fingered Teiid
  Cercosaura schreibersii albostrigatus (Griffin, 1917) -- valid
  Cercosaura schreibersii schreibersii Wiegmann, 1834 -- valid
  Cercosaura steyeri (Tedesco, 1998) -- valid
  Cercosaura vertebralis O'Shaughnessy, 1879 -- invalid
  Cerrophidion godmani (Günther, 1863) -- valid -- Godman's Montane Pit Viper, Nauyaca-de montaña de Godman
  Cerrophidion petlalcalensis Lopéz-Luna, Vogt and Torre-Loranca, 1999 -- valid
  Cerrophidion sasai Jadin, Townsend, Castoe and Campbell, 2012 -- valid -- Costa Rica Montane Pitviper
  Cerrophidion tzotzilorum (Campbell, 1985) -- valid -- Nauyaca-de montaña tzotzil, Tzotzil Montane Pit Viper
  Cerrophidion wilsoni Jadin, Townsend, Castoe and Campbell, 2012 -- valid -- Honduras Montane Pitviper
  Chabanaudia boulengeri (Chabanaud, 1917) -- invalid
  Chalcides armitagei Boulenger, 1922 -- valid -- Armitage's Cylindrical Skink
  Chalcides bedriagai (Bosca, 1880) -- valid -- Spanish Cylindrical Skink
  Chalcides bedriagai bedriagai (Bosca, 1880) -- valid
  Chalcides bedriagai cobosi Valverde, 1997 -- valid
  Chalcides bedriagai pistaciae Valverde, 1966 -- valid
  Chalcides bottegi Boulenger, 1898 -- valid -- Ocellated Skink
  Chalcides boulengeri Anderson, 1892 -- valid -- Boulenger's Feylinia
  Chalcides chalcides (Linnaeus, 1758) -- valid -- Cylindrical Skink, Italian Three-toed Skink
  Chalcides chalcides chalcides (Linnaeus, 1758) -- valid
  Chalcides chalcides vittatus (Leuckart, 1828) -- valid
  Chalcides coeruleopunctatus Salvador, 1975 -- valid -- La Gomera Skink
  Chalcides colosii Lanza, 1957 -- valid -- Colosi's Cylindrical Skink
  Chalcides delislei (Lataste and Rochebrune, 1876) -- valid -- Delisle's Wedge-snouted Skink
  Chalcides ebneri Werner, 1931 -- valid -- Ebner's Cylindrical Skink
  Chalcides guentheri Boulenger, 1887 -- valid -- Günther's Cylindrical Skink
  Chalcides lanzai Pasteur, 1967 -- valid
  Chalcides levitoni Pasteur, 1978 -- valid -- Leviton's Cylindrical Skink
  Chalcides manueli Hediger, 1935 -- valid
  Chalcides mauritanicus (A. M. C. Duméril and Bibron, 1839) -- valid -- Cylindrical Skink
  Chalcides mertensi Klausewitz, 1954 -- valid -- Algerian Three-toed Skink
  Chalcides minutus Caputo, 1993 -- valid
  Chalcides mionecton (Böttger, 1874) -- valid -- Morocco Cylindrical Skink
  Chalcides mionecton mionecton (Böttger, 1874) -- valid
  Chalcides mionecton trifasciatus Chabanaud, 1917 -- valid
  Chalcides montanus Werner, 1931 -- valid
  Chalcides ocellatus (Forskal, 1775) -- valid -- Ocellated Bronze Skink, Ocellated Skink
  Chalcides ocellatus linosae Boulenger, 1920 -- valid
  Chalcides ocellatus ocellatus (Forskal, 1775) -- valid
  Chalcides ocellatus sacchii Lanza, 1954 -- valid
  Chalcides ocellatus subtypicus Werner, 1931 -- valid
  Chalcides ocellatus tiligugu (Gmelin, 1789) -- valid
  Chalcides ocellatus zavattarii Lanza, 1954 -- valid
  Chalcides parallelus Doumergue, 1901 -- valid -- Chafarinas' Skink
  Chalcides pentadactylus (Beddome, 1870) -- valid
  Chalcides polylepis Boulenger, 1890 -- valid -- Many-scaled Cylindrical Skink, Multiscaled Skink
  Chalcides pseudostriatus Caputo, 1993 -- valid
  Chalcides pulchellus Mocquard, 1906 -- valid -- Mocquard's Cylindrical Skink
  Chalcides ragazzii Boulenger, 1890 -- valid -- Ragazzi's Bronze Skink, Ragazzi's Cylindrical Skink
  Chalcides sepsoides (Audouin, 1829) -- valid -- Wedge-snouted Skink
  Chalcides sexlineatus Steindachner, 1891 -- valid -- Gran Canaria Skink
  Chalcides sexlineatus bistriatus Steindachner, 1891 -- valid
  Chalcides sexlineatus sexlineatus Steindachner, 1891 -- valid
  Chalcides sphenopsiformis (A. H. A. Duméril, 1856) -- valid -- Duméril's Wedge-snouted Skink
  Chalcides striatus (Cuvier, 1829) -- valid -- Iberian Three-Toed Skink, Western Three-Toed Skink
  Chalcides thierryi Tornier, 1901 -- valid -- Thierry's Cylindrical Skink
  Chalcides viridanus (Gravenhorst, 1851) -- valid -- Canaryan Cylindrical Skink, Tenerife Skink
  Chalcidoseps thwaitesi (Günther, 1872) -- valid -- Thwaites' Skink
  Chamaelycus christyi Boulenger, 1919 -- valid -- Christy's Banded Snake
  Chamaelycus fasciatus (Günther, 1858) -- valid -- African Banded Snake
  Chamaelycus parkeri (Angel, 1934) -- valid -- Parker's Banded Snake
  Chamaelycus werneri (Mocquard, 1902) -- valid
  Chamaesaura aenea (Fitzinger, 1843) -- valid -- Transvaal Snake Lizard
  Chamaesaura anguina (Linnaeus, 1758) -- valid -- Cape Grass Lizard, Cape Snake Lizard
  Chamaesaura anguina anguina (Linnaeus, 1758) -- valid
  Chamaesaura anguina oligopholis Laurent, 1964 -- valid
  Chamaesaura macrolepis (Cope, 1862) -- valid -- Large-scale Grass Lizard, Large-scale Snake Lizard
  Chamaesaura miopropus Boulenger, 1894 -- valid -- Zambian Grass-lizard, Zambian Snake-lizard
  Chamaesaura tenuior Günther, 1895 -- valid -- Cape Snake Lizard
  Chapinophis xanthocheilus Campbell and E. N. Smith, 1998 -- valid
  Charina bottae (Blainville, 1835) -- valid -- Northern Rubber Boa, Rubber Boa
  Charina umbratica Klauber, 1943 -- valid -- Southern Rubber Boa
  Chersodromus liebmanni Reinhardt, 1861 -- valid -- Culebra-corredora de Liebmann, Liebmann's Earth Runner
  Chersodromus rubriventris (Taylor, 1949) -- valid -- Culebra-corredora vientre rojo, Redbelly Earth Runner
  Chilabothrus angulifer (Bibron, 1840) -- valid -- Cuban Boa
  Chilabothrus chrysogaster (Cope, 1871) -- valid -- Southern Bahamas Boa
  Chilabothrus chrysogaster chrysogaster (Cope, 1871) -- valid
  Chilabothrus chrysogaster relicquus (Barbour and Shreve, 1935) -- valid
  Chilabothrus chrysogaster schwartzi (Buden, 1975) -- valid -- Crooked-Acklins Boa
  Chilabothrus exsul (Netting and Goin, 1944) -- valid -- Northern Bahamas Boa
  Chilabothrus fordii (Günther, 1861) -- valid
  Chilabothrus fordii agametus (Sheplan and Schwartz, 1974) -- valid
  Chilabothrus fordii fordii (Günther, 1861) -- valid
  Chilabothrus fordii manototus (Schwartz, 1979) -- valid
  Chilabothrus gracilis Fischer, 1888 -- valid
  Chilabothrus gracilis gracilis Fischer, 1888 -- valid
  Chilabothrus gracilis hapalus (Sheplan and Schwartz, 1974) -- valid
  Chilabothrus inornatus (Reinhardt, 1843) -- valid -- Puerto Rican Boa
  Chilabothrus monensis (Zenneck, 1898) -- valid -- Mona Boa
  Chilabothrus monensis granti (Stull, 1933) -- invalid -- Virgin Island Tree Boa
  Chilabothrus monensis monensis (Zenneck, 1898) -- invalid -- Mona Boa
  Chilabothrus striatus (Fischer, 1856) -- valid -- Hispaniolan Boa
  Chilabothrus striatus exagistus (Sheplan and Schwartz, 1974) -- valid
  Chilabothrus striatus striatus (Fischer, 1856) -- valid
  Chilabothrus striatus warreni (Sheplan and Schwartz, 1974) -- valid
  Chilabothrus strigilatus (Cope, 1862) -- valid -- Bahamas Boa
  Chilabothrus strigilatus ailurus (Sheplan and Schwartz, 1974) -- valid
  Chilabothrus strigilatus fosteri (Barbour, 1941) -- valid
  Chilabothrus strigilatus fowleri (Sheplan and Schwartz, 1974) -- valid
  Chilabothrus strigilatus mccraniei (Sheplan and Schwartz, 1974) -- valid
  Chilabothrus strigilatus strigilatus (Cope, 1862) -- valid
  Chilabothrus subflavus (Stejneger, 1901) -- valid -- Jamaican Boa
  Chilomeniscus savagei Cliff, 1954 -- valid -- Culebra-arenera de Cerralvo, Savage's Sand Snake
  Chilomeniscus stramineus Cope, 1860 -- valid -- Culebra-arenera manchada, Variable Sandsnake
  Chilomeniscus stramineus esterensis Hoard, 1939 -- valid
  Chilomeniscus stramineus stramineus Cope, 1860 -- valid
  Chilopoma rufipunctatum Cope, 1875 -- invalid
  Chilorhinophis butleri Werner, 1907 -- valid -- Butler's Two-headed Snake
  Chilorhinophis carpenteri (Parker, 1927) -- invalid
  Chilorhinophis carpenteri carpenteri (Parker, 1927) -- invalid
  Chilorhinophis carpenteri liwalensis Loveridge, 1951 -- invalid
  Chilorhinophis gerardi (Boulenger, 1913) -- valid -- Congo Two-headed Snake, Gerard's Black and Yellow Burrowing Snake
  Chilorhinophis gerardi gerardi (Boulenger, 1913) -- valid
  Chilorhinophis gerardi tanganyikae Loveridge, 1951 -- valid -- Western Tanganyika Two-headed Snake
  Chionactis occipitalis (Hallowell, 1854) -- valid -- Culebra-nariz de pala del oeste, Mohave Shovel-nosed Snake, Mojave Shovelnose Snake, Western Shovel-nosed Snake, Western Shovelnose Snake
  Chionactis occipitalis annulata (Baird, 1859) -- invalid
  Chionactis occipitalis klauberi (Stickel, 1941) -- invalid -- Tucson Shovel-nosed Snake
  Chionactis occipitalis occipitalis (Hallowell, 1854) -- invalid -- Mojave Shovelnose Snake
  Chionactis occipitalis talpina Klauber, 1951 -- invalid -- Nevada Shovelnose Snake
  Chionactis palarostris (Klauber, 1937) -- valid -- Culebra-nariz de pala sonorense, Sonoran Shovel-nosed Snake, Sonoran Shovelnose Snake
  Chionactis palarostris organica Klauber, 1951 -- valid -- Organ Pipe Shovel-nosed Snake, Organ Pipe Shovelnose Snake
  Chionactis palarostris palarostris (Klauber, 1937) -- valid -- Sonoran Shovelnose Snake
  Chioninia coctei (A. M. C. Duméril and Bibron, 1839) -- valid -- Bibron's Skink, Cape Verde Giant Skink
  Chioninia delalandii (A. M. C. Duméril and Bibron, 1839) -- valid
  Chioninia fogoensis (O'Shaughnessy, 1874) -- valid
  Chioninia geisthardti (Joger, 1993) -- invalid
  Chioninia nicolauensis (Schleich, 1987) -- valid
  Chioninia spinalis (Boulenger, 1906) -- valid
  Chioninia spinalis boavistensis Miralles, Vasconcelos, Perera, Harris and Carranza, 2010 -- valid
  Chioninia spinalis maioensis (Mertens, 1955) -- valid
  Chioninia spinalis salensis (Angel, 1935) -- valid
  Chioninia spinalis santiagoensis Miralles, Vasconcelos, Perera, Harris and Carranza, 2010 -- valid
  Chioninia spinalis spinalis (Boulenger, 1906) -- valid
  Chioninia stangeri (Gray, 1845) -- valid
  Chioninia vaillantii (Boulenger, 1887) -- valid -- Vaillant's Mabuya
  Chioninia vaillantii vaillantii (Boulenger, 1887) -- valid
  Chioninia vaillantii xanthotis Miralles, Vasconcelos, Perera, Harris and Carranza, 2010 -- valid
  Chirindia ewerbecki Werner, 1910 -- valid -- Mbanja Worm Lizard
  Chirindia ewerbecki ewerbecki Werner, 1910 -- valid
  Chirindia ewerbecki nanguruwensis (Loveridge, 1962) -- valid
  Chirindia langi Fitzsimons, 1939 -- valid -- Lang's Worm Lizard
  Chirindia langi langi Fitzsimons, 1939 -- valid
  Chirindia langi occidentalis Jacobsen, 1984 -- valid
  Chirindia mpwapwaensis (Loveridge, 1932) -- valid -- Mpwapwa Worm Lizard
  Chirindia rondoensis (Loveridge, 1941) -- valid -- Nchingidi Worm Lizard
  Chirindia swynnertoni Boulenger, 1907 -- valid -- Swynnerton's Worm Lizard
  Chironius bicarinatus (Wied-Neuwied, 1820) -- valid -- Two-headed Sipo
  Chironius carinatus (Linnaeus, 1758) -- valid -- Sipo
  Chironius carinatus flavopictus (Werner, 1909) -- invalid
  Chironius carinatus spixii (Hallowell, 1845) -- invalid
  Chironius challenger Kok, 2010 -- valid
  Chironius exoletus (Linnaeus, 1758) -- valid -- Linnaeus' Sipo
  Chironius flavolineatus (Jan, 1863) -- valid -- Boettger's Sipo
  Chironius foveatus Bailey, 1955 -- valid -- South American Sipo
  Chironius fuscus (Linnaeus, 1758) -- valid -- Brown Sipo
  Chironius fuscus leucometapus Dixon, Wiest and Cei, 1993 -- invalid
  Chironius grandisquamis (Peters, 1869) -- valid -- Ecuador Sipo
  Chironius laevicollis (Wied-Neuwied, 1824) -- valid -- Brazilian Sipo
  Chironius laurenti Dixon, Wiest and Cei, 1993 -- valid
  Chironius monticola Roze, 1952 -- valid -- Mountain Sipo
  Chironius multiventris K. P. Schmidt and Walker, 1943 -- valid -- South American Sipo
  Chironius quadricarinatus (F. Boie, 1827) -- valid -- Central Sipo
  Chironius quadricarinatus maculoventris Dixon, Wiest and Cei, 1993 -- invalid
  Chironius scurrulus (Wagler, 1824) -- valid -- Wagler's Sipo
  Chironius septentrionalis Dixon, Wiest and Cei, 1993 -- valid -- South American Sipo
  Chironius vincenti (Boulenger, 1891) -- valid -- Saint Vincent Racer
  Chrysopelea ornata (Shaw, 1802) -- valid -- Golden Flying Snake
  Chrysopelea ornata ornata (Shaw, 1802) -- valid
  Chrysopelea ornata ornatissima Werner, 1925 -- valid -- Golden Tree Snake
  Chrysopelea ornata sinhaleya Deraniyagala, 1945 -- valid
  Chrysopelea paradisi H. Boie in F. Boie, 1827 -- valid -- Paradise Flying Snake, Paradise Tree Snake
  Chrysopelea paradisi celebensis Mertens, 1968 -- valid
  Chrysopelea paradisi paradisi H. Boie in F. Boie, 1827 -- valid
  Chrysopelea paradisi variabilis Mertens, 1968 -- valid
  Chrysopelea pelias (Linnaeus, 1758) -- valid -- Banded Flying Snake, Twin-barred Tree Snake
  Chrysopelea rhodopleuron F. Boie, 1827 -- valid -- Moluccan Flying Snake
  Chrysopelea rhodopleuron rhodopleuron F. Boie, 1827 -- valid
  Chrysopelea rhodopleuron viridis Fischer, 1880 -- valid
  Chrysopelea taprobanica M. A. Smith, 1943 -- valid -- Indian Flying Snake
  Clelia clelia (Daudin, 1803) -- valid -- Culebra-viborera común
  Clelia clelia clelia (Daudin, 1803) -- valid
  Clelia clelia groomei Greer, 1965 -- valid
  Clelia clelia immaculata H. M. Smith, 1942 -- invalid
  Clelia equatoriana (Amaral, 1924) -- valid -- Equatorial Mussurana
  Clelia errabunda Underwood, 1993 -- valid -- Underwood's Mussurana
  Clelia hussami Morato, Franco and Sanches, 2003 -- valid
  Clelia langeri Reichle and Embert, 2005 -- valid
  Clelia plumbea (Wied-Neuwied, 1820) -- valid
  Clelia scytalina (Cope, 1867) -- valid -- Culebra-viborera mexicana, Mexican Snake Eater
  Clonophis Cope, 1889 -- valid -- Kirtland's Snakes
  Clonophis kirtlandii (Kennicott, 1856) -- valid -- Kirtland's Snake
  Cnemidophorus arenivagus Markezich, Cole and Dessauer, 1997 -- valid
  Cnemidophorus arubensis Lidth de Jeude, 1887 -- valid -- Aruba Whiptail
  Cnemidophorus cryptus Cole and Dessauer, 1993 -- valid -- Cryptic Racerunner
  Cnemidophorus duellmani McCranie and Hedges, 2013 -- valid
  Cnemidophorus flavissimus Ugueto, Harvey and Rivas, 2010 -- valid -- Los Frailes Whiptail
  Cnemidophorus gramivagus McCrystal and Dixon, 1987 -- valid
  Cnemidophorus hyperythrus caeruleus (Dickerson, 1919) -- invalid
  Cnemidophorus lemniscatus (Linnaeus, 1758) -- valid -- Rainbow Lizard, Rainbow Whiptail, South American Whiptail
  Cnemidophorus lemniscatus splendidus Markezich, Cole and Dessauer, 1997 -- invalid
  Cnemidophorus leucopsammus Ugueto and Harvey, 2010 -- valid -- Blanquilla Whiptail
  Cnemidophorus martyris Stejneger, 1891 -- invalid -- Huico de San Pedro Mártir
  Cnemidophorus murinus (Laurenti, 1768) -- valid -- Curaçao Whiptail, Laurent's Whiptail
  Cnemidophorus nigricolor Peters, 1873 -- valid -- Venezuelan Island Whiptail
  Cnemidophorus pseudolemniscatus Cole and Dessauer, 1993 -- valid -- Colee's Racerunner
  Cnemidophorus pyrrhogularis Basto da Silva and Ávila-Pires, 2013 -- invalid
  Cnemidophorus rostralis Ugueto and Harvey, 2010 -- valid -- La Tortuga Whiptail
  Cnemidophorus ruatanus Barbour, 1928 -- valid -- Central American Whiptail
  Cnemidophorus ruthveni Burt, 1935 -- valid -- Bonaire Whiptail
  Cnemidophorus senectus Ugueto, Harvey and Rivas, 2010 -- valid
  Cnemidophorus vanzoi (Baskin and Williams, 1966) -- valid -- Maria Island Ground Lizard, Maria Islands Whiptail, Saint Lucian Whiptail, Vanzo's Whiptail
  Coelognathus erythrurus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Reddish Rat Snake
  Coelognathus erythrurus celebensis (Jan, 1863) -- valid
  Coelognathus erythrurus erythrurus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid
  Coelognathus erythrurus manillensis Jan, 1863 -- valid
  Coelognathus erythrurus psephenourus (Leviton, 1979) -- valid
  Coelognathus flavolineatus (Schlegel, 1837) -- valid -- Black Copper Rat Snake, Yellow Striped Snake
  Coelognathus helena (Daudin, 1803) -- valid -- Trinket Snake
  Coelognathus helena helena (Daudin, 1803) -- valid
  Coelognathus helena monticollaris (Schulz, 1992) -- valid
  Coelognathus radiatus (F. Boie, 1827) -- valid -- Copper-headed Trinket Snake, Copperhead Rat Snake, Radiated Ratsnake
  Coelognathus subradiatus (Schlegel, 1837) -- valid -- Sunda Rat Snake
  Coeranoscincus frontalis (De Vis, 1888) -- valid -- Limbless Snake-tooth Skink
  Coeranoscincus reticulatus (Günther, 1873) -- valid -- Three-toed Snake-tooth Skink
  Coggeria naufragus Couper, Covacevich, Marsterson and Shea, 1996 -- valid -- Fraser Island Sand Skink
  Collorhabdium williamsoni Smedley, 1932 -- valid -- Mountain Dwarf Snake, Williamson's Reed Snake
  Colobodactylus dalcyanus Vanzolini and Ramos, 1977 -- valid -- Vanzolini's Teiid
  Colobodactylus taunayi Amaral, 1933 -- valid -- Taunay Teiid
  Colobosaura kraepelini (Werner, 1910) -- valid -- Chaco Colobosaura
  Colobosaura modesta (Reinhardt and Lütken, 1862) -- valid -- Bahia Colobosaura
  Colobosauroides carvalhoi Soares and Caramaschi, 1998 -- valid
  Colobosauroides cearensis Cunha, Lima-Verde and Lima, 1991 -- valid
  Coloptychon rhombifer (Peters, 1876) -- invalid
  Coluber anthonyi (Stejneger, 1901) -- valid -- Clarion Island Whip Snake, Culebra-chirriadora de Isla Clarion
  Coluber aurigulus (Cope, 1861) -- valid -- Baja California Striped Whip Snake, Culebra-chirriadora de Baja California
  Coluber aurigulus barbouri Van Denburgh and Slevin, 1921 -- invalid
  Coluber bholanathi Sharma, 1976 -- invalid
  Coluber bilineatus (Jan, 1863) -- valid -- Culebra-chirriadora sonorense, Sonoran Whipsnake
  Coluber bilineatus slevini (Lowe and Norris, 1955) -- invalid
  Coluber constrictor Linnaeus, 1758 -- valid -- Culebra-corredora constrictor, Eastern Racer, North American Racer, Racer
  Coluber constrictor anthicus (Cope, 1862) -- valid -- Buttermilk Racer, Buttermilk Snake
  Coluber constrictor constrictor Linnaeus, 1758 -- valid -- Northern Black Racer
  Coluber constrictor etheridgei Wilson, 1970 -- valid -- Tan Racer
  Coluber constrictor flaviventris Say in James, 1823 -- valid -- Eastern Yellow-bellied Racer, Eastern Yellowbelly Racer, Yellowbelly Racer
  Coluber constrictor foxii (Baird and Girard, 1853) -- valid -- Blue Racer
  Coluber constrictor helvigularis Auffenberg, 1955 -- valid -- Brown Chin Racer, Brown-chinned Racer
  Coluber constrictor latrunculus Wilson, 1970 -- valid -- Black-masked Racer, Blackmask Racer
  Coluber constrictor mormon Baird and Girard, 1852 -- valid -- Western Yellow-bellied Racer
  Coluber constrictor oaxaca (Jan, 1863) -- valid -- Mexican Racer
  Coluber constrictor paludicola Auffenberg and Babitt, 1953 -- valid -- Everglades Racer
  Coluber constrictor priapus Dunn and Wood, 1939 -- valid -- Southern Black Racer
  Coluber eques Reuss, 1834 -- invalid
  Coluber flagellum Shaw, 1802 -- valid -- Coachwhip, Culebra-chirriadora común
  Coluber flagellum cingulum (Lowe and Woodin, 1954) -- valid -- Sonoran Coachwhip
  Coluber flagellum flagellum Shaw, 1802 -- valid -- Eastern Coachwhip
  Coluber flagellum lineatulus (H. M. Smith, 1941) -- valid -- Lined Coachwhip
  Coluber flagellum piceus (Cope, 1892) -- valid -- Red Coachwhip, Red Racer
  Coluber flagellum ruddocki (Brattstrom and Warren, 1953) -- valid -- San Joaquin Coachwhip
  Coluber flagellum testaceus Say in James, 1823 -- valid -- Western Coachwhip
  Coluber fuliginosus (Cope, 1895) -- valid -- Baja California Coachwhip
  Coluber helveticus Lacépède, 1789 -- invalid
  Coluber insulanus Mertens, 1965 -- invalid
  Coluber lateralis (Hallowell, 1853) -- valid -- Culebra-chirriadora rayada, Striped Racer
  Coluber lateralis euryxanthus (Riemer, 1954) -- valid -- Alameda Striped Racer
  Coluber lateralis lateralis (Hallowell, 1853) -- valid -- California Striped Racer
  Coluber manseri Leviton, 1986 -- invalid
  Coluber maurus Linnaeus, 1758 -- invalid
  Coluber mentovarius (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Culebra-chirriadora neotropical, Neotropical Whip Snake
  Coluber mentovarius centralis Roze, 1953 -- valid
  Coluber mentovarius mentovarius (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid
  Coluber mentovarius striolatus Mertens, 1934 -- valid
  Coluber mentovarius suborbitalis (Peters, 1869) -- valid
  Coluber mentovarius variolosus (H. M. Smith, 1943) -- valid
  Coluber natrix Linnaeus, 1758 -- invalid
  Coluber persa Pallas, 1814 -- invalid
  Coluber proximus Say in James, 1823 -- invalid
  Coluber saurita Linnaeus, 1766 -- invalid
  Coluber schistosus Daudin, 1803 -- invalid
  Coluber schotti (Baird and Girard, 1853) -- valid -- Schott's Whipsnake
  Coluber schotti ruthveni (Ortenburger, 1923) -- valid -- Ruthven's Whipsnake
  Coluber schotti schotti (Baird and Girard, 1853) -- valid -- Schott's Whipsnake
  Coluber scortecci Lanza, 1963 -- invalid
  Coluber scutatus Pallas, 1771 -- invalid
  Coluber siculus Cuvier, 1829 -- invalid
  Coluber sinai (Schmidt and Marx, 1956) -- invalid
  Coluber stolatus Linnaeus, 1758 -- invalid
  Coluber striatulus Linnaeus, 1766 -- invalid
  Coluber taeniatus (Hallowell, 1852) -- valid -- Culebra-chirriadora adornada, Striped Whipsnake
  Coluber taeniatus girardi Stejneger and Barbour, 1917 -- valid -- Central Texas Whipsnake
  Coluber taeniatus taeniatus (Hallowell, 1852) -- valid -- Desert Striped Whipsnake
  Coluber taxispilotus Holbrook, 1838 -- invalid
  Coluber taylori Parker, 1949 -- invalid
  Coluber thomasi Parker, 1931 -- invalid
  Coluber vittacaudatus Blyth, 1854 -- invalid
  Coluber vittatus Linnaeus, 1758 -- invalid
  Coluber zebrinus Broadley and Schätti, 2000 -- invalid
  Colubridae Oppel, 1811 -- valid -- Colubrids, Typical Snakes
  Colubroelaps nguyenvansangi Orlov, Kharin, Ananjeva, T. T. Nguyen and T. Q. Nguyen, 2009 -- valid -- Nguyenvansang's Snake
  Compsophis albiventris Mocquard, 1894 -- valid -- Madagascar Bighead Snake
  Compsophis boulengeri (Peracca, 1892) -- valid -- Boulenger's Forest Snake
  Compsophis fatsibe (Mercurio and Andreone, 2005) -- valid
  Compsophis infralineatus (Günther, 1882) -- valid -- Lined Forest Snake
  Compsophis laphystius (Cadle, 1996) -- valid
  Compsophis vinckei (Domergue, 1988) -- valid
  Compsophis zeny (Cadle, 1996) -- valid
  Concinnia ampla (Covacevich and McDonald, 1980) -- valid -- Lemon-barred Forest-skink
  Concinnia brachysoma (Lönnberg and Andersson, 1915) -- valid -- Northern Barsided Skink
  Concinnia frerei (Greer, 1992) -- valid -- Stout Barsided Skink
  Concinnia martini Wells and Wellington, 1985 -- valid -- Dark Barsided Skink
  Concinnia queenslandiae (De Vis, 1890) -- invalid -- Prickly Forest Skink
  Concinnia sokosoma (Greer, 1992) -- valid -- Stout Barsided Skink
  Concinnia tenuis (Gray, 1831) -- valid -- Bar-sided Forest-skink, Barred-sided Skink
  Concinnia tigrina (De Vis, 1888) -- valid -- Rainforest Water-skink, Yellow-blotched Forest-skink
  Congolacerta asukului Greenbaum, Villanueva, Kusamba, Aristote and Branch, 2011 -- valid -- Asukulu's Grass Lizard
  Congolacerta vauereselli (Tornier, 1902) -- valid -- Sparse-scaled Forest Lizard
  Coniophanes alvarezi Campbell, 1989 -- valid -- Chiapan Stripeless Snake, Culebra sin rayas-chiapaneca
  Coniophanes andresensis Bailey, 1937 -- valid -- San Andres Snake
  Coniophanes bipunctatus (Günther, 1858) -- valid -- Culebra dos puntos, Two-spotted Snake
  Coniophanes bipunctatus bipunctatus (Günther, 1858) -- valid
  Coniophanes bipunctatus biseriatus H. M. Smith, 1940 -- valid
  Coniophanes dromiciformis (Peters, 1863) -- valid -- Peters' Running Snake
  Coniophanes fissidens (Günther, 1858) -- valid -- Culebra vientre amarillo, Yellowbelly Snake
  Coniophanes fissidens convergens Shannon and H. M. Smith, 1950 -- valid
  Coniophanes fissidens dispersus H. M. Smith, 1941 -- valid
  Coniophanes fissidens fissidens (Günther, 1858) -- valid
  Coniophanes fissidens proterops Cope, 1860 -- valid
  Coniophanes fissidens punctigularis Cope, 1860 -- valid
  Coniophanes imperialis (Kennicott in Baird, 1859) -- valid -- Black-striped Snake, Culebra rayas negras, Regal Black-striped Snake
  Coniophanes imperialis clavatus (Peters, 1864) -- valid
  Coniophanes imperialis copei Hartweg and Oliver, 1938 -- valid
  Coniophanes imperialis imperialis (Kennicott in Baird, 1859) -- valid -- Tamaulipan Black-striped Snake
  Coniophanes joanae Myers, 1966 -- valid
  Coniophanes lateritius Cope, 1862 -- valid -- Culebra sin rayas, Stripeless Snake
  Coniophanes longinquus Cadle, 1989 -- valid
  Coniophanes melanocephalus (Peters, 1869) -- valid
  Coniophanes meridanus Schmidt and Andrews, 1936 -- valid -- Culebra sin rayas-peninsular, Peninsula Stripeless Snake
  Coniophanes michoacanensis Flores-Villela and E. N. Smith, 2009 -- valid
  Coniophanes piceivittis Cope, 1869 -- valid -- Cope's Black-striped Snake, Culebra rayada-de Cope
  Coniophanes piceivittis frangivirgatus Peters, 1950 -- valid
  Coniophanes piceivittis piceivittis Cope, 1869 -- valid
  Coniophanes quinquevittatus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Culebra rayada-escofinada, Fife-striped Snake
  Coniophanes sarae Ponce-Campos and H. M. Smith, 2001 -- valid
  Coniophanes schmidti Bailey, 1937 -- valid -- Faded Black-striped Snake
  Coniophanes taylori Hall, 1951 -- valid
  Conophis lineatus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Culebra-guardacaminos lineada, Road Guarder
  Conophis lineatus concolor Cope, 1867 -- valid
  Conophis lineatus dunni H. M. Smith, 1942 -- invalid
  Conophis lineatus lineatus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid
  Conophis morai Perez-Higareda, Lopez-Luna and H. M. Smith, 2002 -- valid
  Conophis pulcher Cope, 1869 -- invalid -- Culebra-guardacaminos hermosa
  Conophis vittatus Peters, 1860 -- valid -- Culebra-guardacaminos rayada, Striped Road Guarder
  Conophis vittatus viduus (Cope, 1876) -- invalid
  Conopsis acuta (Cope, 1886) -- valid
  Conopsis amphisticha (H. M. Smith and Laufe, 1945) -- valid -- Culebra-toluqueña manchas gemelas, Twin-spotted Tolucan Ground Snake
  Conopsis biserialis (Taylor and H. M. Smith, 1942) -- valid -- Culebra-terrestre dos líneas, Two-lined Mexican Earth Snake
  Conopsis lineata (Kennicott, 1859) -- valid -- Culebra-toluqueña lineada, Lined Tolucan Earthsnake, Lined Tolucan Ground Snake
  Conopsis megalodon (Taylor and H. M. Smith, 1942) -- valid -- Culebra-toluqueña de San Felipe, San Felipe Ground Snake
  Conopsis nasus Günther, 1858 -- valid -- Culebra-terrestre narigona, Largenose Earth Snake
  Conopsis nasus labialis Tanner, 1961 -- valid
  Conopsis nasus nasus Günther, 1858 -- valid
  Contia longicaudae Feldman and Hoyer, 2010 -- invalid -- Forest Sharp-tailed Snake
  Contia tenuis (Baird and Girard, 1852) -- valid -- Common Sharp-tailed Snake, Sharp-tailed Snake, Sharptail Snake
  Contomastix lacertoides (Duméril and Bibron, 1839) -- valid -- Bibron's Whiptail
  Contomastix leachei (Peracca, 1897) -- valid
  Contomastix serrana (Cei and Martori, 1991) -- valid
  Contomastix vacariensis (Feltrim and Lema, 2000) -- valid
  Contomastix vittata (Boulenger, 1902) -- valid
  Copeoglossum arajara (Reboucas-Spieker, 1981) -- valid -- Arajara Mabuya
  Copeoglossum aurae Hedges and Conn, 2012 -- valid -- Greater Windward Skink
  Copeoglossum margaritae Hedges and Conn, 2012 -- valid
  Copeoglossum nigropunctatum (Spix, 1825) -- valid -- Black-Spotted Skink, Common Coppery Mabuya
  Copeoglossum redondae Hedges and Conn, 2012 -- valid -- Redonda Skink
  Cophoscincopus durus (Cope, 1862) -- valid -- Keeled Water Skink
  Cophoscincopus greeri Böhme, Schmitz and Ziegler, 2000 -- valid
  Cophoscincopus senegalensis Trape, Mediannikov and Trape, 2012 -- valid
  Cophoscincopus simulans (Vaillant, 1884) -- valid
  Corallus annulatus (Cope, 1875) -- valid
  Corallus batesii (Gray, 1860) -- valid
  Corallus blombergi (Rendahl and Vestergren, 1941) -- valid
  Corallus caninus (Linnaeus, 1758) -- valid
  Corallus cookii Gray, 1842 -- valid -- Cook's Tree Boa, Neotropical Tree Boa
  Corallus cropanii (Hoge, 1953) -- valid
  Corallus grenadensis (Barbour, 1914) -- valid
  Corallus hortulanus (Linnaeus, 1758) -- valid -- Amazon Tree Boa, Common Tree Boa
  Corallus hortulanus enydris (Linnaeus, 1758) -- valid
  Corallus hortulanus hortulanus (Linnaeus, 1758) -- valid
  Corallus ruschenbergerii (Cope, 1876) -- valid
  Cordylidae -- valid -- girdle-tailed lizards
  Cordylosaurus subtessellatus (Smith, 1844) -- valid -- Dwarf Plated Lizard
  Cordylus angolensis (Bocage, 1895) -- valid -- Angolan Girdled Lizard
  Cordylus aridus Mouton and Van Wyk, 1994 -- valid -- Dwarf Karoo Girdled Lizard, Eastern Dwarf Girdled Lizard
  Cordylus beraduccii Broadley and Branch, 2002 -- valid -- Maasai Girdled Lizard
  Cordylus cloetei Mouton and Van Wyk, 1994 -- valid -- Cloete's Girdled Lizard
  Cordylus cordylus (Linnaeus, 1758) -- valid -- Cape Girdled Lizard
  Cordylus imkeae Mouton and Van Wyk, 1994 -- valid -- Rooiberg Girdled Lizard
  Cordylus jonesii (Boulenger, 1891) -- valid -- Jones' Girdled Lizard
  Cordylus machadoi Laurent, 1964 -- valid -- Kaokoveld Girdled Lizard, Machado's Girdled Lizard
  Cordylus macropholis (Boulenger, 1910) -- valid -- Large-scaled Girdled Lizard
  Cordylus marunguensis Greenbaum, Stanley, Kusamba, Moninga, Goldberg and Bursey, 2012 -- valid -- Marungu Girdled Lizard
  Cordylus mclachlani Mouton, 1986 -- valid -- McLachlan's Girdled Lizard
  Cordylus meculae Branch, Rödel and Marais, 2005 -- valid -- Mecula Girdled Lizard
  Cordylus minor Fitzsimons, 1943 -- valid -- Western Dwarf Girdled Lizard
  Cordylus niger Cuvier, 1829 -- valid -- Black Girdled Lizard
  Cordylus nyikae Broadley and Mouton, 2000 -- valid -- Nyika Girdled Lizard
  Cordylus oelofseni Mouton and Van Wyk, 1990 -- valid -- Oelofsen's Girdled Lizard
  Cordylus rhodesianus (Hewitt, 1933) -- valid -- Zimbabwean Girdled Lizard
  Cordylus rivae (Boulenger, 1896) -- valid -- Ethiopian Girdled Lizard
  Cordylus tropidosternum (Cope, 1869) -- valid -- Tropical Girdled Lizard
  Cordylus ukingensis (Loveridge, 1932) -- valid -- Ukinga Girdled Lizard
  Cordylus vittifer (Reichenow, 1887) -- valid -- Transvaal Girdled Lizard
  Coronella austriaca Laurenti, 1768 -- valid -- Smooth Snake
  Coronella austriaca acutirostris Malkmus, 1995 -- valid
  Coronella austriaca austriaca Laurenti, 1768 -- valid
  Coronella brachyura (Günther, 1866) -- valid -- Indian Smooth Snake
  Coronella fuliginoides Günther, 1858 -- invalid
  Coronella girondica (Daudin, 1803) -- valid -- Southern Smooth Snake
  Coronella girondica amaliae (Boettger, 1881) -- valid
  Coronella girondica girondica (Daudin, 1803) -- valid
  Coronella olivacea Peters, 1854 -- invalid
  Coronella tessellata Laurenti, 1768 -- invalid
  Corucia zebrata Gray, 1855 -- valid -- Solomon Island Skink
  Corucia zebrata alfredschmidti Köhler, 1997 -- valid
  Corucia zebrata zebrata Gray, 1855 -- valid
  Cricosaura typica Gundlach and Peters in Peters, 1863 -- valid -- Cuban Night Lizard
  Crisantophis nevermanni (Dunn, 1937) -- valid -- Dunn's Road Guarder
  Crocodilurus amazonicus Spix, 1825 -- valid -- Crocodile Tegu
  Crotalus adamanteus Palisot de Beauvois, 1799 -- valid -- Eastern Diamond-backed Rattlesnake, Eastern Diamondback Rattlesnake
  Crotalus aquilus Klauber, 1952 -- valid -- Queretaran Dusky Rattlesnake
  Crotalus atrox Baird and Girard, 1853 -- valid -- Víbora-cascabel de diamantes, Western Diamond-backed Rattlesnake, Western Diamondback Rattlesnake
  Crotalus basiliscus (Cope, 1864) -- valid -- Víbora-cascabel de Saye
  Crotalus catalinensis Cliff, 1954 -- valid -- Víbora-cascabel muda
  Crotalus cerastes Hallowell, 1854 -- valid -- Sidewinder, Víbora-cascabel cornuda
  Crotalus cerastes cerastes Hallowell, 1854 -- valid -- Mohave Desert Sidewinder, Mojave Desert Sidewinder
  Crotalus cerastes cercobombus Savage and Cliff, 1953 -- valid -- Sonoran Desert Sidewinder, Sonoran Sidewinder
  Crotalus cerastes laterorepens Klauber, 1944 -- valid -- Colorado Desert Sidewinder
  Crotalus cerberus (Coues in Wheeler, 1875) -- valid -- Arizona Black Rattlesnake
  Crotalus culminatus Klauber, 1952 -- valid -- Northwestern Neotropical Rattlesnake
  Crotalus durissus Linnaeus, 1758 -- valid -- Cascabel Rattlesnake, Central American Rattlesnake, South American Rattlesnake, Víbora-cascabel tropical
  Crotalus durissus cumanensis Humboldt, 1811 -- valid
  Crotalus durissus durissus Linnaeus, 1758 -- valid
  Crotalus durissus marajoensis Hoge, 1966 -- valid
  Crotalus durissus ruruima Hoge, 1966 -- valid
  Crotalus durissus terrificus (Laurenti, 1768) -- valid
  Crotalus durissus trigonicus Harris and Simmons, 1978 -- valid -- Rupununi Savanna Rattlesnake
  Crotalus durissus unicolor Van Lidth de Jeude, 1887 -- valid -- Aruba Island Rattlesnake
  Crotalus durissus vegrandis Klauber, 1941 -- invalid
  Crotalus enyo (Cope, 1861) -- valid -- Baja California Rattlesnake, Lower California Rattlesnake, Víbora-cascabel bajacaliforniana
  Crotalus enyo cerralvensis Cliff, 1954 -- valid -- Cerralvo Rattlesnake
  Crotalus enyo enyo (Cope, 1861) -- valid -- Baja California Rattlesnake
  Crotalus enyo furvus Lowe and Norris, 1954 -- valid -- Rosario Rattlesnake
  Crotalus ericsmithi Campbell and Flores-Villela, 2008 -- valid -- Guerreran Long-tailed Rattlesnake
  Crotalus horridus Linnaeus, 1758 -- valid -- crotale des bois, Timber Rattlesnake
  Crotalus intermedius Troschel, 1865 -- valid -- Mexican Smallhead Rattlesnake, Víbora-cascabel enana
  Crotalus intermedius gloydi Taylor, 1941 -- valid
  Crotalus intermedius intermedius Troschel in Müller, 1865 -- valid
  Crotalus intermedius omiltemanus Günther, 1895 -- valid
  Crotalus lannomi Tanner, 1966 -- valid -- Autlán Long-tailed Rattlesnake, Manantlán Long-tailed Rattlesnake, Víbora-cascabel de Autlán
  Crotalus lepidus (Kennicott, 1861) -- valid -- Rock Rattlesnake, Víbora-cascabel variable
  Crotalus lepidus klauberi Gloyd, 1936 -- valid -- Banded Rock Rattlesnake
  Crotalus lepidus lepidus (Kennicott, 1861) -- valid -- Mottled Rock Rattlesnake
  Crotalus lepidus maculosus Tanner, Dixon and Harris, 1972 -- valid -- Durangan Rock Rattlesnake
  Crotalus lepidus morulus Klauber, 1952 -- invalid
  Crotalus lorenzoensis Radcliffe and Maslin, 1975 -- valid -- San Lorenzo Island Rattlesnake
  Crotalus mitchellii (Cope, 1861) -- valid -- Speckled Rattlesnake
  Crotalus mitchellii angelensis Klauber, 1963 -- invalid
  Crotalus mitchellii mitchellii (Cope, 1861) -- invalid -- Speckled Rattlesnake
  Crotalus mitchellii muertensis Klauber, 1949 -- invalid
  Crotalus mitchellii pyrrhus (Cope, 1867) -- invalid -- Southwestern Speckled Rattlesnake
  Crotalus molossus Baird and Girard, 1853 -- valid -- Black-tailed Rattlesnake, Víbora-cascabel cola negra, Western Black-tailed Rattlesnake
  Crotalus molossus estebanensis Klauber, 1949 -- valid
  Crotalus molossus molossus Baird and Girard, 1853 -- valid -- Black-tailed Rattlesnake
  Crotalus molossus nigrescens Gloyd, 1936 -- valid -- Mexican Black-tailed Rattlesnake
  Crotalus molossus oaxacus Gloyd, 1948 -- valid -- Oaxacan Black-tailed Rattlesnake
  Crotalus oreganus Holbrook, 1840 -- valid -- Northern Pacific Rattlesnake, Western Rattlesnake
  Crotalus oreganus abyssus Klauber, 1930 -- valid -- Grand Canyon Rattlesnake
  Crotalus oreganus caliginis Klauber, 1949 -- valid
  Crotalus oreganus concolor Woodbury, 1929 -- valid -- Midget Faded Rattlesnake
  Crotalus oreganus helleri Meek, 1905 -- valid -- Southern Pacific Rattlesnake
  Crotalus oreganus lutosus Klauber, 1930 -- valid -- Great Basin Rattlesnake
  Crotalus oreganus oreganus Holbrook, 1840 -- valid -- Northern Pacific Rattlesnake
  Crotalus ornatus Hallowell, 1854 -- valid -- Eastern Black-tailed Rattlesnake
  Crotalus polystictus (Cope, 1865) -- valid -- Mexican Lancehead Rattlesnake, Víbora-cascabel ocelada
  Crotalus pricei Van Denburgh, 1895 -- valid -- Twin-spotted Rattlesnake, Víbora-cascabel motas gemelas
  Crotalus pricei miquihuanus Gloyd, 1940 -- valid -- Eastern Twin Spotted Rattlesnake
  Crotalus pricei pricei Van Denburgh, 1895 -- valid -- Arizona Twin Spotted Rattlesnake, Western Twin Spotted Rattlesnake, Western Twin-spotted Rattlesnake
  Crotalus pusillus Klauber, 1952 -- valid -- Tancitaran Dusky Rattlesnake, Víbora-cascabel de Tancítaro
  Crotalus ravus Cope, 1865 -- valid -- Mexican Pygmy Rattlesnake, Víbora-cascabel pigmea-mexicana
  Crotalus ravus brunneus Harris and Simmons, 1978 -- valid -- Oaxacan Pygmy Rattlesnake
  Crotalus ravus exiguus (Campbell and Armstrong, 1979) -- valid -- Guerreran Pygmy Rattlesnake
  Crotalus ravus ravus Cope, 1865 -- valid -- Central Plateau Pygmy Rattlesnake
  Crotalus ruber Cope, 1892 -- valid -- Red Diamond Rattlesnake, Víbora-cascabel colorada
  Crotalus ruber exsul Garman, 1884 -- valid -- Cedros Island Rattlesnake, Red Diamond Rattlesnake, Víbora-cascabel de Isla Cedros
  Crotalus ruber lorenzoensis Radcliffe and Maslin, 1975 -- invalid
  Crotalus ruber lucasensis Van Denburgh, 1920 -- valid -- San Lucan Rattlesnake
  Crotalus ruber ruber Cope, 1892 -- valid -- Red Diamond Rattlesnake
  Crotalus scutulatus (Kennicott, 1861) -- valid -- Green Rattlesnake, Mohave Rattlesnake, Mojave Rattlesnake, Víbora-cascabel del Altiplano
  Crotalus scutulatus salvini Günther, 1895 -- valid -- Huamantlan Rattlesnake
  Crotalus scutulatus scutulatus (Kennicott, 1861) -- valid -- Mojave Rattlesnake, Northern Mohave Rattlesnake
  Crotalus simus Latreille in Sonnini and Latreille, 1801 -- valid -- Middle American Rattlesnake
  Crotalus stejnegeri Dunn, 1919 -- valid -- Sinaloan Long-tailed Rattlesnake, Víbora-cascabel cola larga
  Crotalus stephensi Klauber, 1930 -- valid -- Panamint Rattlesnake
  Crotalus tancitarensis Alvarado-Díaz and Campbell, 2004 -- valid
  Crotalus tigris Kennicott, 1859 -- valid -- Tiger Rattlesnake, Víbora-cascabel tigre
  Crotalus totonacus Gloyd and Kauffeld, 1940 -- valid -- Totonacan Rattlesnake
  Crotalus transversus Taylor, 1944 -- valid -- Cross-banded Mountain Rattlesnake, Víbora-cascabel bandas cruzadas
  Crotalus triseriatus (Wagler, 1830) -- valid -- Central Plateau Dusky Rattlesnake, Víbora-cascabel transvolcánica, Western Dusky Rattlesnake
  Crotalus triseriatus armstrongi Campbell, 1979 -- invalid
  Crotalus triseriatus triseriatus (Wagler, 1830) -- invalid
  Crotalus tzabcan Klauber, 1952 -- valid -- Yucatan Neotropical Rattlesnake
  Crotalus viridis (Rafinesque, 1818) -- valid -- Prairie Rattlesnake, Víbora-cascabel occidental, Western Rattlesnake
  Crotalus viridis nuntius Klauber, 1935 -- valid -- Hopi Rattlesnake
  Crotalus viridis viridis (Rafinesque, 1818) -- valid -- Prairie Rattlesnake
  Crotalus willardi Meek, 1905 -- valid -- Ridge-nosed Rattlesnake, Víbora-cascabel bigotuda
  Crotalus willardi amabilis J. D. Anderson, 1962 -- valid -- Del Nido Ridge-nosed Rattlesnake
  Crotalus willardi meridionalis Klauber, 1949 -- valid -- Southern Ridge-nosed Rattlesnake
  Crotalus willardi obscurus Harris and Simmons, 1974 -- valid -- Animas Ridge-nosed Rattlesnake, New Mexico Ridge-Nosed Rattlesnake, New Mexico Ridgenose Rattlesnake
  Crotalus willardi silus Klauber, 1949 -- valid -- Western Chihuahuan Ridge-nosed Rattlesnake
  Crotalus willardi willardi Meek, 1905 -- valid -- Arizona Ridge-Nosed Rattlesnake, Arizona Ridgenose Rattlesnake
  Crotaphopeltis barotseensis Broadley, 1968 -- valid -- Barotse Water Snake
  Crotaphopeltis braestrupi Rasmussen, 1985 -- valid
  Crotaphopeltis degeni (Boulenger, 1906) -- valid -- Degen's Herald Snake, Yellow-flanked Snake
  Crotaphopeltis hippocrepis (Reinhardt, 1843) -- valid
  Crotaphopeltis hotamboeia (Laurenti, 1768) -- valid -- Red-lipped Snake, White-lipped Herald Snake
  Crotaphopeltis tornieri (Werner, 1908) -- valid -- Werner's Water Snake
  Cryophis hallbergi Bogert and Duellman, 1963 -- valid -- Culebra-de nebklina de Hallberg, Hallberg's Cloud Forest Snake
  Cryptoblepharus adamsi Horner, 2007 -- valid -- Adams's Snake-eyed Skink
  Cryptoblepharus africanus (Sternfeld, 1918) -- valid -- African Coral Rag Skink, East-African Snake-eyed Skink
  Cryptoblepharus ahli Mertens, 1928 -- valid -- Ahl's Snake-eyed Skink
  Cryptoblepharus aldabrae (Sternfeld, 1918) -- valid
  Cryptoblepharus ater (Boettger, 1913) -- valid -- Black Snake-eyed Skink
  Cryptoblepharus australis (Sternfeld, 1918) -- valid -- Inland Snake-eyed Skink
  Cryptoblepharus balinensis Barbour, 1911 -- valid
  Cryptoblepharus balinensis balinensis Barbour, 1911 -- valid
  Cryptoblepharus balinensis sumbawanus Mertens, 1928 -- valid
  Cryptoblepharus bitaeniatus (Boettger, 1913) -- valid
  Cryptoblepharus boutonii (Desjardin, 1831) -- valid -- Snake-eyed Skink
  Cryptoblepharus buchananii (Gray, 1838) -- valid -- Buchanan's Snake-eyed Skink
  Cryptoblepharus burdeni Dunn, 1927 -- valid
  Cryptoblepharus caudatus (Sternfeld, 1918) -- valid
  Cryptoblepharus cognatus (Boettger, 1881) -- valid -- Nosy Be Snake-eyed Skink
  Cryptoblepharus cursor Barbour, 1911 -- valid
  Cryptoblepharus cursor cursor Barbour, 1911 -- valid
  Cryptoblepharus cursor larsonae Horner, 2007 -- valid
  Cryptoblepharus cygnatus Horner, 2007 -- valid -- Swanson's Snake-eyed Skink
  Cryptoblepharus daedalos Horner, 2007 -- valid -- Dappled Snake-eyed Skink
  Cryptoblepharus egeriae (Boulenger, 1889) -- valid -- Christmas Island Blue-tailed Shinning-skink
  Cryptoblepharus eximius Girard, 1858 -- valid
  Cryptoblepharus exochus Horner, 2007 -- valid -- Noble Snake-eyed Skink
  Cryptoblepharus fuhni Covacevich and Ingram, 1978 -- valid -- Black-boulder Shinning-skink, Fuhn's Snake-eyed Skink
  Cryptoblepharus furvus Horner, 2007 -- valid
  Cryptoblepharus gloriosus (Stejneger, 1893) -- valid
  Cryptoblepharus gloriosus gloriosus (Stejneger, 1893) -- valid
  Cryptoblepharus gloriosus mayottensis Mertens, 1928 -- valid
  Cryptoblepharus gloriosus mohelicus Mertens, 1928 -- valid
  Cryptoblepharus gurrmul Horner, 2007 -- valid -- Arafura Snake-eyed Skink
  Cryptoblepharus juno Horner, 2007 -- valid -- Juno's Snake-eyed Skink
  Cryptoblepharus keiensis (Roux, 1910) -- valid
  Cryptoblepharus leschenault (Cocteau, 1832) -- valid
  Cryptoblepharus litoralis (Mertens, 1958) -- valid -- Coastal Snake-eyed Skink, Supralittoral Shinning-skink
  Cryptoblepharus litoralis horneri Wells and Wellington, 1985 -- valid -- Horner's Snake-eyed Skink
  Cryptoblepharus litoralis litoralis (Mertens, 1958) -- valid -- Coastal Snake-Eyed Skink
  Cryptoblepharus litoralis vicinus Horner, 2007 -- valid -- Papuan Coastal Snake-eyed Skink
  Cryptoblepharus megastictus Storr, 1976 -- valid -- Blotched Shinning-skink, Blotched Snake-eyed Skink
  Cryptoblepharus mertensi Horner, 2007 -- valid -- Mertens's Snake-eyed Skink
  Cryptoblepharus metallicus (Boulenger, 1887) -- valid -- Metallic Snake-eyed Skink
  Cryptoblepharus nigropunctatus (Hallowell, 1861) -- valid -- Snake-eyed Skink
  Cryptoblepharus novaeguineae Mertens, 1928 -- valid
  Cryptoblepharus novocaledonicus Mertens, 1928 -- valid
  Cryptoblepharus novohebridicus Mertens, 1928 -- valid
  Cryptoblepharus ochrus Horner, 2007 -- valid -- Pale Snake-eyed Skink
  Cryptoblepharus pannosus Horner, 2007 -- valid -- Ragged Snake-eyed Skink
  Cryptoblepharus plagiocephalus (Cocteau, 1836) -- valid -- Callose-palmed Shinning-skink, Péron's Snake-eyed Skink
  Cryptoblepharus poecilopleurus (Wiegmann, 1836) -- valid -- Mottled Snake-eyed Skink, Oceanic Snake-eyed Skink, Pacific Snake-eyed Skink
  Cryptoblepharus poecilopleurus paschalis Garman, 1908 -- valid
  Cryptoblepharus poecilopleurus poecilopleurus (Wiegmann, 1836) -- valid
  Cryptoblepharus pulcher (Sternfeld, 1918) -- valid -- Elegant Snake-eyed Skink
  Cryptoblepharus pulcher clarus (Storr, 1961) -- valid -- Bright Snake-eyed Skink
  Cryptoblepharus pulcher pulcher (Sternfeld, 1918) -- valid -- Elegant Snake-eyed Skink
  Cryptoblepharus quinquetaeniatus (Günther, 1874) -- valid -- Five-lined Snake-eyed Skink
  Cryptoblepharus renschi Mertens, 1928 -- valid
  Cryptoblepharus richardsi Horner, 2007 -- valid
  Cryptoblepharus ruber Börner and Schüttler, 1981 -- valid -- Tawny Snake-eyed Skink
  Cryptoblepharus rutilus (Peters, 1879) -- valid
  Cryptoblepharus schlegelianus Mertens, 1928 -- valid -- Schlegel's Snake-eyed Skink
  Cryptoblepharus tytthos Horner, 2007 -- valid -- Pygmy Snake-eyed Skink
  Cryptoblepharus ustulatus Horner, 2007 -- valid -- Russet Snake-eyed Skink
  Cryptoblepharus virgatus (Garman, 1901) -- valid -- Cream-striped Shinning-skink, Striped Snake-Eyed Skink, Wall Skink
  Cryptoblepharus voeltzkowi (Sternfeld, 1918) -- valid -- Voeltzkow's Snake-eyed Skink
  Cryptoblepharus walbergii Smith, 1849 -- invalid
  Cryptoblepharus wulbu Horner, 2007 -- valid -- Spangled Snake-eyed Skink
  Cryptoblepharus xenikos Horner, 2007 -- valid
  Cryptoblepharus yulensis Horner, 2007 -- valid
  Cryptoblepharus zoticus Horner, 2007 -- valid -- Agile Snake-eyed Skink
  Ctenotus agrestis Wilson and Couper, 1995 -- valid -- Mitchell Grass Ctenotus
  Ctenotus alacer Storr, 1970 -- valid -- Lively Ctenotus
  Ctenotus alleni Storr, 1974 -- valid -- Ajana Ctenotus
  Ctenotus allotropis Storr, 1981 -- valid -- Brown-blazed Wedgesnout Ctenotus
  Ctenotus angusticeps Storr, 1988 -- valid -- Airlie Island Ctenotus, Little Leopard Ctenotus, Northwestern Coastal Ctenotus
  Ctenotus aphrodite Ingram and Czechura, 1990 -- valid -- Oorida Ctenotus
  Ctenotus arcanus Czechura and Wombey, 1982 -- valid -- Arcane Ctenotus
  Ctenotus ariadnae Storr, 1969 -- valid -- Ariadna's Ctenotus
  Ctenotus arnhemensis Storr, 1981 -- valid -- Jabiluka Ctenotus
  Ctenotus astarte Czechura, 1986 -- valid -- Stony Downs Ctenotus
  Ctenotus astictus Horner, 1995 -- valid -- Arnhem Striped Ctenotus
  Ctenotus atlas Storr, 1969 -- valid -- Southern Mallee Ctenotus
  Ctenotus australis (Gray, 1838) -- valid -- Western Limestone Ctenotus
  Ctenotus borealis Horner and King, 1985 -- valid -- White-faced Ctenotus
  Ctenotus brachyonyx Storr, 1971 -- valid -- Short-clawed Ctenotus
  Ctenotus brevipes Storr, 1981 -- valid -- Short-footed Ctenotus
  Ctenotus brooksi (Loveridge, 1933) -- valid -- Wedgesnout Ctenotus
  Ctenotus brooksi aranda Storr, 1970 -- invalid
  Ctenotus brooksi euclae Storr, 1971 -- invalid
  Ctenotus brooksi iridis Storr, 1981 -- invalid
  Ctenotus burbidgei Storr, 1975 -- valid -- Plain-backed Kimberley Ctenotus
  Ctenotus calurus Storr, 1969 -- valid -- Blue-tailed Finesnout Ctenotus
  Ctenotus capricorni Storr, 1981 -- valid -- Capricorn Ctenotus
  Ctenotus catenifer Storr, 1974 -- valid -- Chain-striped South-west Ctenotus
  Ctenotus coggeri Sadlier, 1985 -- valid -- Brown-backed Ctenotus
  Ctenotus colletti (Boulenger, 1896) -- valid -- Buff-tailed Finesnout Ctenotus, Collett's Skink
  Ctenotus decaneurus Storr, 1970 -- valid -- Ten-lined Ctenotus
  Ctenotus decaneurus decaneurus Storr, 1970 -- valid
  Ctenotus decaneurus yampiensis Storr, 1975 -- valid -- Yampi Ctenotus
  Ctenotus delli Storr, 1974 -- valid -- Darling Range South-west Ctenotus
  Ctenotus dux Storr, 1969 -- valid -- Fine Side-lined Ctenotus
  Ctenotus ehmanni Storr, 1985 -- valid -- Brown-tailed Finesnout Ctenotus
  Ctenotus essingtonii (Gray, 1842) -- valid -- Lowlands Plain-backed Ctenotus
  Ctenotus eurydice Czechura and Wombey, 1982 -- valid -- Brown-backed Yellow-lined Ctenotus
  Ctenotus eutaenius Storr, 1981 -- valid -- Black-backed Yellow-lined Ctenotus
  Ctenotus fallens Storr, 1974 -- valid -- West-coast Laterite Ctenotus
  Ctenotus gagudju Sadlier, Wombey and Braithwaite, 1986 -- valid -- Magela Ctenotus
  Ctenotus gemmula Storr, 1974 -- valid -- Jewelled South-west Ctenotus
  Ctenotus grandis Storr, 1969 -- valid -- Grand Ctenotus
  Ctenotus grandis grandis Storr, 1969 -- valid
  Ctenotus grandis titan Storr, 1980 -- valid
  Ctenotus greeri Storr, 1979 -- valid -- Spotted-necked Ctenotus
  Ctenotus halysis Horner, 2009 -- valid -- Chained Ctenotus
  Ctenotus hanloni Storr, 1980 -- valid -- Nimble Ctenotus
  Ctenotus hebetior Storr, 1978 -- valid -- Stout Ctenotus
  Ctenotus hebetior hebetior Storr, 1978 -- valid
  Ctenotus hebetior schuettleri Börner, 1981 -- valid
  Ctenotus helenae Storr, 1969 -- valid -- Clay-soil Ctenotus
  Ctenotus hilli Storr, 1970 -- valid -- Top-end Lowlands Ctenotus
  Ctenotus iapetus Storr, 1975 -- valid -- North West Cape Ctenotus
  Ctenotus impar Storr, 1969 -- valid -- Odd-striped Ctenotus
  Ctenotus ingrami Czechura and Wombey, 1982 -- valid -- Unspotted Yellow-sided Ctenotus
  Ctenotus inornatus (Gray, 1845) -- valid -- Bar-shouldered Ctenotus
  Ctenotus joanae Storr, 1970 -- valid -- Black-soil Ctenotus
  Ctenotus kurnbudj Sadlier, Wombey and Braithwaite, 1986 -- valid -- Kurnbudj Ctenotus
  Ctenotus labillardieri (A. M. C. Duméril and Bibron, 1839) -- valid -- Common South-west Ctenotus
  Ctenotus lancelini Ford, 1969 -- valid -- Lancelin South-west Ctenotus
  Ctenotus lateralis Storr, 1978 -- valid -- Gravelly-soil Ctenotus
  Ctenotus leae (Boulenger, 1887) -- valid -- Orange-tailed Finesnout Ctenotus
  Ctenotus leonhardii (Sternfeld, 1919) -- valid -- Leonhardi's Ctenotus, Leonhardi's Skink
  Ctenotus maryani Aplin and Adams, 1998 -- valid -- Maryan's Ctenotus
  Ctenotus mastigura Storr, 1975 -- valid -- Whiptail Ctenotus
  Ctenotus mesotes Horner, 2009 -- valid -- Median-striped Ctenotus
  Ctenotus militaris Storr, 1975 -- valid -- Soldier Ctenotus
  Ctenotus mimetes Storr, 1969 -- valid -- Checker-sided Ctenotus
  Ctenotus monticola Storr, 1981 -- valid -- Atherton Ctenotus
  Ctenotus nasutus Storr, 1969 -- valid -- Nasute Finesnout Ctenotus
  Ctenotus nigrilineatus Storr, 1990 -- valid -- Pin-striped Finesnout Ctenotus
  Ctenotus nullum Ingram and Czechura, 1990 -- valid -- Nullum Ctenotus
  Ctenotus olympicus Hutchinson and Donnellan, 1999 -- valid -- Spotted Ctenotus
  Ctenotus ora Kay and Keogh, 2012 -- valid -- Coastal Plains Ctenotus
  Ctenotus orientalis Storr, 1971 -- valid -- Oriental Ctenotus
  Ctenotus pallescens Storr, 1970 -- valid -- North-western Wedgesnout Ctenotus
  Ctenotus pantherinus (Peters, 1866) -- valid -- Leopard Ctenotus
  Ctenotus pantherinus acripes Storr, 1975 -- valid
  Ctenotus pantherinus calx Storr, 1970 -- valid
  Ctenotus pantherinus ocellifer Storr, 1969 -- valid
  Ctenotus pantherinus pantherinus (Peters, 1866) -- valid
  Ctenotus piankai Storr, 1969 -- valid -- Course Sand Ctenotus
  Ctenotus piankai duricola Storr, 1975 -- invalid
  Ctenotus pulchellus Storr, 1978 -- valid -- Red-sided Ctenotus
  Ctenotus quattuordecimlineatus (Sternfeld, 1919) -- valid -- Fourteen-lined Ctenotus
  Ctenotus quinkan Ingram, 1979 -- valid -- Quinkan Ctenotus
  Ctenotus quirinus Horner, 2007 -- valid -- Arnhem Land Ctenotus
  Ctenotus rawlinsoni Ingram, 1979 -- valid -- Cape Heath Ctenotus
  Ctenotus regius Storr, 1971 -- valid -- Pale-rumped Ctenotus
  Ctenotus rimacolus Horner and Fisher, 1998 -- valid -- Crack-dwelling Ctenotus
  Ctenotus rimacolus camptris Horner and Fisher, 1998 -- valid
  Ctenotus rimacolus rimacolus Horner and Fisher, 1998 -- valid
  Ctenotus robustus Storr, 1970 -- valid -- Robust Ctenotus, Striped Skink
  Ctenotus rosarium Couper, Amey and Kutt, 2002 -- valid -- Beaded Ctenotus
  Ctenotus rubicundus Storr, 1978 -- valid -- Ruddy Ctenotus
  Ctenotus rufescens Storr, 1979 -- valid -- Rufous Finesnout Ctenotus
  Ctenotus rutilans Storr, 1980 -- valid -- Rusty-shouldered Ctenotus
  Ctenotus saxatilis Storr, 1970 -- valid -- Stony-soil Ctenotus
  Ctenotus schevilli (Loveridge, 1933) -- valid -- Black-soil Rises Ctenotus
  Ctenotus schomburgkii (Peters, 1863) -- valid -- Barred Wedge-snout Ctenotus
  Ctenotus septenarius King, Horner and Fyfe, 1988 -- valid -- Massive-gibber Ctenotus
  Ctenotus serotinus Czechura, 1986 -- valid -- Gravel-downs Ctenotus
  Ctenotus serventyi Storr, 1975 -- valid -- North-western Sandy-loam Ctenotus
  Ctenotus severus Storr, 1969 -- valid -- Stern Ctenotus
  Ctenotus spaldingi (Macleay, 1877) -- valid -- Straight-browed Ctenotus
  Ctenotus storri Rankin, 1978 -- valid -- Buff-striped Ctenotus
  Ctenotus strauchii (Boulenger, 1887) -- valid -- Eastern Barred Wedge-snout Ctenotus
  Ctenotus strauchii strauchii (Boulenger, 1887) -- valid
  Ctenotus strauchii varius Storr, 1981 -- valid
  Ctenotus striaticeps Storr, 1978 -- valid -- Stripe-headed Finesnout Ctenotus
  Ctenotus stuarti Horner, 1995 -- valid -- Stuart's Ctenotus
  Ctenotus taeniolatus (White, 1790) -- valid -- Copper-tailed Ctenotus, Copper-Tailed Skink
  Ctenotus tanamiensis Storr, 1970 -- valid -- Tanami Ctenotus
  Ctenotus tantillus Storr, 1975 -- valid -- Kimberley Wedge-snout Ctenotus
  Ctenotus terrareginae Ingram and Czechura, 1990 -- valid -- Hinchinbrook Ctenotus
  Ctenotus uber Storr, 1969 -- valid -- Spotted Ctenotus
  Ctenotus uber johnstonei Storr, 1980 -- valid
  Ctenotus uber uber Storr, 1969 -- valid
  Ctenotus vagus Horner, 2009 -- valid -- Uneven-striped Ctenotus
  Ctenotus vertebralis Rankin and Gillam, 1979 -- valid -- Scant-striped Ctenotus
  Ctenotus xenopleura Storr, 1981 -- valid -- Wide-striped Ctenotus
  Ctenotus youngsoni Storr, 1975 -- valid -- Shark Bay South-west Ctenotus
  Ctenotus zastictus Storr, 1984 -- valid -- Hamelin Pool Ctenotus
  Ctenotus zebrilla Storr, 1981 -- valid -- Southern Cape York Fine-snout Ctenotus
  Cubophis cantherigerus (Bibron, 1840) -- valid -- Cuban Racer
  Cubophis cantherigerus adspersus (Gundlach and Peters, 1864) -- valid
  Cubophis cantherigerus brooksi (Barbour, 1914) -- invalid
  Cubophis cantherigerus cantherigerus (Bibron, 1840) -- valid
  Cubophis cantherigerus pepei (Schwartz and Thomas, 1970) -- valid
  Cubophis cantherigerus schwartzi (Lando and Williams, 1969) -- valid
  Cubophis caymanus (Garman, 1887) -- valid -- Black Snake
  Cubophis fuscicauda (Garman, 1888) -- valid
  Cubophis ruttyi (Grant, 1941) -- valid
  Cubophis vudii (Cope, 1862) -- valid -- Bahamian Racer
  Cubophis vudii aterrimus (Barbour and Shreve, 1935) -- valid
  Cubophis vudii picticeps (Conant, 1937) -- valid
  Cubophis vudii raineyi (Barbour and Shreve, 1935) -- valid
  Cubophis vudii utowanae (Barbour and Shreve, 1935) -- valid
  Cubophis vudii vudii (Cope, 1862) -- valid
  Cyclocorus lineatus (Reinhardt, 1843) -- valid -- Reinhardt's Lined Snake
  Cyclocorus lineatus alcalai Leviton, 1967 -- valid
  Cyclocorus lineatus lineatus (Reinhardt, 1843) -- valid
  Cyclocorus nuchalis Taylor, 1923 -- valid -- Southern Triangle-spotted Snake
  Cyclocorus nuchalis nuchalis Taylor, 1923 -- valid
  Cyclocorus nuchalis taylori Leviton, 1967 -- valid
  Cyclodomorphus branchialis (Günther, 1867) -- valid -- Common Slender Bluetongue, Gunther's Skink
  Cyclodomorphus casuarinae (A. M. C. Duméril and Bibron, 1839) -- valid -- She-oak Skink, She-oak Slender Bluetongue
  Cyclodomorphus celatus Shea and Miller, 1995 -- valid -- Western Slender Blue-tongue
  Cyclodomorphus maximus (Storr, 1976) -- valid -- Giant Slender Bluetongue
  Cyclodomorphus melanops (Stirling and Zietz, 1893) -- valid -- Samphire Slender Bluetongue
  Cyclodomorphus melanops elongatus (Werner, 1910) -- valid
  Cyclodomorphus melanops melanops (Stirling and Zietz, 1893) -- valid
  Cyclodomorphus melanops siticulosus Shea and Miller, 1995 -- valid
  Cyclodomorphus michaeli Wells and Wellington, 1984 -- valid -- Coastal She-Oak Slender Bluetongue
  Cyclodomorphus praealtus Shea, 1995 -- valid -- Alpine She-Oak Skink, Alpine She-Oak Slender Bluetongue
  Cyclodomorphus venustus Shea and Miller, 1995 -- valid -- Slender Bluetongue
  Cyclophiops doriae Boulenger, 1888 -- valid -- Doria's Green Snake
  Cyclophiops hamptoni (Boulenger, 1900) -- valid -- Hampton's Green Snake
  Cyclophiops herminae (Boettger, 1895) -- valid -- Sakishima Green Snake
  Cyclophiops major (Günther, 1858) -- valid -- Chinese Green Snake
  Cyclophiops multicinctus (Roux, 1907) -- valid -- Many-banded Green Snake, North China Green Snake
  Cyclophiops semicarinatus (Hallowell, 1861) -- valid -- Ryukyu Green Snake
  Cyclotyphlops deharvengi in den Bosch and Ineich, 1994 -- valid -- Deharveng's Blind Snake
  Cylindrophiidae Fitzinger, 1843 -- valid -- Asian Pipe Snakes
  Cylindrophis Wagler, 1828 -- valid -- Asian Pipe Snakes
  Cylindrophis aruensis Boulenger, 1920 -- valid -- Aru Cylinder Snake
  Cylindrophis boulengeri Roux, 1911 -- valid -- Boulenger's Pipe Snake
  Cylindrophis burmanus M. A. Smith, 1943 -- valid -- Burmese Pipe-Snake
  Cylindrophis engkariensis Stuebing, 1994 -- valid
  Cylindrophis isolepis Boulenger, 1896 -- valid -- Jampea Island Pipe Snake
  Cylindrophis jodiae Amarasinghe, Ineich, Campbell and Hallermann, 2015 -- valid -- Jodi's Pipe-Snake
  Cylindrophis lineatus Blanford, 1881 -- valid -- Blanford's Pipe Snake
  Cylindrophis maculatus (Linnaeus, 1758) -- valid -- Ceylonese Cylinder Snake
  Cylindrophis melanotus Wagler, 1828 -- valid -- Black Pipe Snake
  Cylindrophis opisthorhodus Boulenger, 1897 -- valid -- Island Pipe Snake
  Cylindrophis ruffus (Laurenti, 1768) -- valid -- Red Cylinder Snake, Red-tailed Pipe Snake
  Cylindrophis ruffus burmanus M. A. Smith, 1943 -- invalid
  Cylindrophis subocularis Kiechbusch, Mecke, Hartmann, Ehrmantraut, O'Shea and Kaiser, 2016 -- valid
  Cylindrophis yamdena L. A. Smith and Sidik, 1998 -- valid -- Yamdena Pipe Snake
  Cynisca bifrontalis (Boulenger, 1906) -- valid -- French Congo Worm Lizard
  Cynisca degrysi (Loveridge, 1941) -- valid -- Sierra Leone Worm Lizard
  Cynisca feae (Boulenger, 1906) -- valid -- Ugly Worm Lizard
  Cynisca gansi Dunger, 1968 -- valid
  Cynisca haugi (Mocquard, 1904) -- valid -- Haug's Worm Lizard
  Cynisca kigomensis Dunger, 1968 -- valid
  Cynisca kraussi (Peters, 1878) -- valid -- Ghana Worm Lizard
  Cynisca leonina (F. Müller, 1885) -- valid -- Los Archipelago Worm Lizard
  Cynisca leucura (Duméril and Bibron, 1839) -- valid -- Coast Worm Lizard
  Cynisca liberiensis (Boulenger, 1878) -- valid -- Liberia Worm Lizard
  Cynisca muelleri (Strauch, 1881) -- valid
  Cynisca nigeriensis Dunger, 1968 -- valid
  Cynisca oligopholis (Boulenger, 1906) -- valid -- Cassine River Worm Lizard
  Cynisca rouxae Hahn, 1979 -- valid
  Cynisca schaeferi (Sternfeld, 1912) -- valid -- Cameroon Worm Lizard
  Cynisca senegalensis Gans, 1987 -- valid
  Cynisca williamsi Gans, 1987 -- valid
  Daboia deserti (Anderson, 1892) -- invalid
  Daboia mauritanica (Gray, 1849) -- valid -- Moorish Viper
  Daboia palaestinae (Werner, 1938) -- valid -- Palestine Viper
  Daboia russelii (Shaw and Nodder, 1797) -- valid -- Russel's Viper
  Daboia siamensis (M. A. Smith, 1917) -- valid -- Eastern Russel's Viper
  Dalmatolacerta oxycephala (Schlegel in Duméril and Bibron, 1839) -- valid -- Sharp-snouted Rock Lizard
  Dalophia angolensis Gans, 1976 -- valid
  Dalophia ellenbergeri (Angel, 1920) -- valid
  Dalophia gigantea (Peracca, 1903) -- valid
  Dalophia longicauda (Werner, 1915) -- valid
  Dalophia luluae (de Witte and Laurent, 1942) -- valid
  Dalophia pistillum (Boettger, 1895) -- valid -- Pestle-Tailed Worm Lizard
  Darevskia alpina (Darevsky, 1967) -- valid
  Darevskia armeniaca (Méhely, 1909) -- valid
  Darevskia bendimahiensis (Schmidtler, Eiselt and Darevsky, 1994) -- valid
  Darevskia bithynica (Méhely, 1909) -- valid
  Darevskia brauneri (Méhely, 1909) -- valid -- Brauner's Rock Lizard
  Darevskia brauneri brauneri (Méhely, 1909) -- valid
  Darevskia brauneri myusserica Doronin, 2011 -- valid
  Darevskia caucasica (Méhely, 1909) -- valid
  Darevskia caucasica caucasica (Méhely, 1909) -- valid
  Darevskia caucasica vedenica (Darevsky and Roitberg, 1999) -- valid
  Darevskia chlorogaster (Boulenger, 1908) -- valid -- Greenbelly Lizard
  Darevskia clarkorum (Darevsky and Vedmederja, 1977) -- valid
  Darevskia daghestanica (Darevsky, 1967) -- valid
  Darevskia dahli (Darevsky, 1957) -- valid
  Darevskia defilippii (Camerano, 1877) -- valid -- Elburs Lizard
  Darevskia derjugini (Nikolsky, 1898) -- valid
  Darevskia derjugini abchasica (Bischoff, 1982) -- valid
  Darevskia derjugini barani (Bischoff, 1982) -- valid
  Darevskia derjugini boehmei (Bischoff, 1982) -- valid
  Darevskia derjugini derjugini (Nikolsky, 1898) -- valid
  Darevskia derjugini orlowae (Bischoff, 1984) -- valid
  Darevskia derjugini silvatica (Bartenjew and Rjesnikowa, 1931) -- valid
  Darevskia dryada (Darevsky and Tuniyev, 1997) -- valid -- Charnali Lizard
  Darevskia lindholmi (Szczerbak, 1962) -- valid
  Darevskia mixta (Méhely, 1909) -- valid
  Darevskia parvula (Lantz and Cyrén, 1913) -- valid -- Red-bellied Lizard
  Darevskia parvula adjarica (Darevsky and Eiselt, 1980) -- valid
  Darevskia parvula parvula (Lantz and Cyrén, 1913) -- valid
  Darevskia pontica (Lantz and Cyrén, 1918) -- invalid -- Meadow Lizard, Pontic Lizard
  Darevskia portschinskii (Kessler, 1878) -- valid
  Darevskia portschinskii nigrita (Bakradse, 1976) -- valid
  Darevskia portschinskii portschinskii (Kessler, 1878) -- valid
  Darevskia praticola (Eversmann, 1834) -- valid -- Meadow Lizard
  Darevskia praticola hyrcanica Tuniyev, Doronin, Kidov and Tuniyev, 2011 -- valid
  Darevskia praticola loriensis Tuniyev, Doronin, Tuniyev, Aghasyan, Kidov and Aghasyan, 2013 -- valid
  Darevskia praticola pontica (Lantz and Cyrén, 1918) -- valid -- Meadow Lizard, Pontic Lizard
  Darevskia praticola praticola (Eversmann, 1834) -- valid
  Darevskia raddei (Boettger, 1892) -- valid -- Azerbaidzhan Lizard
  Darevskia raddei chaldoranensis Rastegar-Pouyani, Karamiani, Oraei, Khosrawani and Rastegar-Pouyani, 2011 -- valid
  Darevskia raddei nairensis (Darevsky, 1967) -- valid
  Darevskia raddei raddei (Boettger, 1892) -- valid
  Darevskia raddei vanensis (Eiselt, Schmidtler and Darevsky, 1993) -- valid
  Darevskia rostombekovi (Darevsky, 1957) -- invalid
  Darevskia rostombekowi (Darevsky, 1957) -- valid
  Darevskia rudis (Bedriaga, 1886) -- valid
  Darevskia rudis bischoffi (Böhme and Budak, 1977) -- valid
  Darevskia rudis bolkardaghica Arribas, Ilgaz, Kumlutas, Durmus, Avci and Uzüm, 2013 -- valid
  Darevskia rudis chechenica (Eiselt and Darevsky, 1991) -- valid
  Darevskia rudis macromaculata (Darevsky, 1967) -- valid
  Darevskia rudis mirabilis Arribas, Ilgaz, Kumlutas, Durmus, Avci and Uzüm, 2013 -- valid
  Darevskia rudis obscura (Lantz and Cyrén, 1936) -- valid
  Darevskia rudis rudis (Bedriaga, 1886) -- valid
  Darevskia rudis svanetica (Darevsky and Eiselt, 1980) -- valid
  Darevskia sapphirina (Schmidtler, Eiselt and Darevsky, 1994) -- valid
  Darevskia saxicola (Eversmann, 1834) -- valid
  Darevskia steineri (Eiselt, 1995) -- valid -- Steiner's Lizard
  Darevskia unisexualis (Darevsky, 1966) -- valid
  Darevskia uzzelli (Darevsky and Danielyan, 1977) -- valid
  Darevskia valentini (Boettger, 1892) -- valid -- Caucasian Rock Lizard, Valentin's Rock Lizard
  Darevskia valentini lantzicyreni (Darevsky and Eiselt, 1967) -- valid
  Darevskia valentini spitzenbergerae (Eiselt, Darevsky and Schmidtler, 1992) -- valid
  Darevskia valentini valentini (Boettger, 1892) -- valid
  Dasia griffini Taylor, 1915 -- valid -- Griffin's Dasia
  Dasia grisea (Gray, 1845) -- valid -- Big Tree Skink, Gray Dasia, Gray Tree Skink
  Dasia haliana (Nevill, 1887) -- valid -- Ceylonese Dasia
  Dasia johnsinghi Harikrishnan, Vasudevan, De Silva, Deepak, Kar, Naniwadekar, Lalremruata, Prasoona et al., 2012 -- valid -- Barred Tree Skink
  Dasia nicobarensis Biswas and Sanyal, 1977 -- valid -- Nicobar Dasia, Nicobar Tree Skink
  Dasia olivacea Gray, 1839 -- valid -- Olive Dasia, Olive Tree Skink
  Dasia semicincta (Peters, 1867) -- valid -- Peters' Dasia
  Dasia subcaerulea (Boulenger, 1891) -- valid -- Boulenger's Dasia, Boulenger's Tree Skink
  Dasia vittata (Edeling, 1865) -- valid -- Borneo Skink, Striped Tree Skink
  Dasypeltis abyssina (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Ethiopian Egg Eater
  Dasypeltis atra Sternfeld, 1912 -- valid -- African Egg-eating Snake, Montane Egg-eater
  Dasypeltis confusa Trape and Mané, 2006 -- valid -- Confusing Egg Eater
  Dasypeltis fasciata A. Smith, 1849 -- valid -- Central African Egg-eating Snake, Western Forest Eggeater
  Dasypeltis gansi Trape and Mané, 2006 -- valid -- Gans' Egg Eater
  Dasypeltis inornata A. Smith, 1849 -- valid -- Southern Brown Egg Eater
  Dasypeltis latericia Trape and Mané, 2006 -- valid
  Dasypeltis medici (Bianconi, 1859) -- valid -- East African Egg Eater
  Dasypeltis medici lamuensis Gans, 1957 -- valid
  Dasypeltis medici medici (Bianconi, 1859) -- valid
  Dasypeltis parascabra Trape, Mediannikov and Trape, 2012 -- valid
  Dasypeltis sahelensis Trape and Mané, 2006 -- valid -- Sahel Egg Eater
  Dasypeltis scabra (Linnaeus, 1758) -- valid -- Common Egg Eater, Rhombic Egg Eater
  Dasypeltis scabra loveridgei Mertens, 1954 -- valid
  Dasypeltis scabra scabra (Linnaeus, 1758) -- valid
  Deinagkistrodon acutus (Günther, 1888) -- valid -- Chinese Moccasin, Five-pacer Viper, Hundred-pace Viper
  Dendrelaphis andamanensis (Anderson, 1871) -- valid -- Andaman Bronze-back
  Dendrelaphis ashoki Vogel and Van Rooijen, 2011 -- valid -- Ashok's Bronzeback Tree Snake
  Dendrelaphis bifrenalis (Boulenger, 1890) -- valid -- Boulenger's Bronzeback
  Dendrelaphis biloreatus Wall, 1908 -- valid -- Gore's Bronzeback
  Dendrelaphis calligaster (Günther, 1867) -- valid -- Green Treesnake, Nothern Tree Snake
  Dendrelaphis caudolineatus (Gray, 1834) -- valid -- Gray Bronzeback, Striped Bronzeback
  Dendrelaphis caudolineolatus (Günther, 1869) -- valid
  Dendrelaphis chairecacos (F. Boie, 1827) -- valid
  Dendrelaphis cyanochloris (Wall, 1921) -- valid -- Wall's Bronzeback
  Dendrelaphis flavescens Gaulke, 1994 -- valid -- Sulu Bronzeback
  Dendrelaphis formosus (F. Boie, 1827) -- valid -- Elegant Bronzeback
  Dendrelaphis fuliginosus Griffin, 1909 -- valid
  Dendrelaphis gastrostictus (Boulenger, 1894) -- valid -- Montane Treesnake
  Dendrelaphis girii Vogel and Van Rooijen, 2011 -- valid
  Dendrelaphis grandoculis (Boulenger, 1890) -- valid -- Southern Bronzeback
  Dendrelaphis grismeri Vogel and Van Rooijen, 2008 -- valid
  Dendrelaphis haasi Van Rooijen and Vogel, 2008 -- valid -- Haas's Bronzeback Snake
  Dendrelaphis hollinrakei Lazell, 2002 -- valid
  Dendrelaphis humayuni Tiwari and Biswas, 1973 -- valid -- Tiwar's Bronzeback
  Dendrelaphis inornatus Boulenger, 1897 -- valid -- Lesser Sundas Bronzeback
  Dendrelaphis inornatus timorensis M. A. Smith, 1927 -- invalid -- Eastern Sundas Bronzeback
  Dendrelaphis kopsteini Vogel and Van Rooijen, 2007 -- valid -- Kopstein's Bronzeback Snake
  Dendrelaphis levitoni Van Rooijen and Vogel, 2012 -- valid
  Dendrelaphis lorentzii (Lidth de Jeude, 1911) -- valid -- Lorentz River Treesnake
  Dendrelaphis luzonensis Leviton, 1961 -- valid
  Dendrelaphis marenae Vogel and Van Rooijen, 2008 -- valid -- Maren's Bronzeback
  Dendrelaphis modestus Boulenger, 1894 -- valid -- Gray Bronzeback, Striped Bronzeback
  Dendrelaphis ngansonensis (Bourret, 1935) -- valid -- Nganson Bronzeback
  Dendrelaphis nigroserratus Vogel, Van Rooijen and Hauser, 2012 -- valid -- Saw-tooth-necked Bronzeback
  Dendrelaphis oliveri (Taylor, 1950) -- valid -- Oliver's Bronzeback
  Dendrelaphis papuensis Boulenger, 1895 -- valid -- Papuan Treesnake
  Dendrelaphis philippinensis (Günther, 1879) -- valid
  Dendrelaphis pictus (Gmelin, 1789) -- valid -- Common Bronze-back, Indonesian Bronze-back, Painted Bronzeback
  Dendrelaphis punctulatus (Gray, 1826) -- valid -- Common Bronzeback, Common Tree Snake, Green Tree Snake
  Dendrelaphis punctulatus striolatus (Peters, 1867) -- invalid
  Dendrelaphis salomonis (Günther, 1872) -- invalid
  Dendrelaphis schokari (Kuhl, 1820) -- valid
  Dendrelaphis striatus (Cohn, 1905) -- valid -- Banded Bronzeback
  Dendrelaphis subocularis (Boulenger, 1888) -- valid -- Burmese Bronzeback, Mountain Bronzeback
  Dendrelaphis terrificus (Peters, 1872) -- valid -- Terrific Bronzeback
  Dendrelaphis tristis (Daudin, 1803) -- valid -- Common Bronzeback Tree Snake, Daudin's Bronzeback
  Dendrelaphis underwoodi Van Rooijen and Vogel, 2008 -- valid -- Underwood's Bronzeback Snake
  Dendrelaphis walli Vogel and Van Rooijen, 2011 -- valid
  Dendrolycus elapoides (Günther, 1874) -- valid -- Cameroon Rainforest Snake
  Dendrolycus elapoides angusticinctus (Laurent, 1952) -- valid
  Dendrolycus elapoides elapoides (Günther, 1874) -- valid
  Dendrophidion apharocybe Cadle, 2012 -- valid
  Dendrophidion atlantica Freire, Caramaschi and Gonçalves, 2010 -- valid -- Atlantic Forest Racer
  Dendrophidion bivittatus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Forest Racer
  Dendrophidion boshelli Dunn, 1944 -- valid -- Hoshell's Forest Racer
  Dendrophidion brunneum (Günther, 1858) -- valid -- Günther's Forest Racer
  Dendrophidion clarkii Dunn, 1933 -- valid -- Clark's Forest Racer
  Dendrophidion crybelum Cadle, 2012 -- valid
  Dendrophidion dendrophis (Schlegel, 1837) -- valid -- Olive Forest Racer
  Dendrophidion graciliverpa Cadle, 2012 -- valid
  Dendrophidion nuchale (Peters, 1863) -- valid -- Peters' Forest Racer
  Dendrophidion paucicarinatum (Cope, 1894) -- valid -- Cope's Forest Racer
  Dendrophidion percarinatum (Cope, 1893) -- valid -- South American Forest Racer
  Dendrophidion prolixum Cadle, 2012 -- valid
  Dendrophidion rufiterminorum Cadle and Savage, 2012 -- valid
  Dendrophidion vinitor H. M. Smith, 1941 -- valid -- Barred Forest Racer, Culebra-corredora barrada
  Diadophis punctatus (Linnaeus, 1766) -- valid -- couleuvre à collier, Culebra de collar, Ring-necked Snake, Ringneck Snake
  Diadophis punctatus acricus Paulson, 1966 -- valid -- Key Ring-Necked Snake, Key Ringneck Snake
  Diadophis punctatus amabilis Baird and Girard, 1853 -- valid -- Pacific Ring-Necked Snake, Pacific Ringneck Snake
  Diadophis punctatus arnyi Kennicott, 1859 -- valid -- Prairie Ring-Necked Snake, Prairie Ringneck Snake
  Diadophis punctatus dugesii Villada, 1875 -- valid
  Diadophis punctatus edwardsii (Merrem, 1820) -- valid -- Northern Ring-Necked Snake, Northern Ringneck Snake
  Diadophis punctatus modestus Bobourt, 1866 -- valid -- San Bernardino Ring-Necked Snake, San Bernardino Ringneck Snake
  Diadophis punctatus occidentalis Blanchard, 1923 -- valid -- Northwestern Ring-Necked Snake, Northwestern Ringneck Snake
  Diadophis punctatus pulchellus Baird and Girard, 1853 -- valid -- Coral-Bellied Ring-Necked Snake, Coralbelly Ringneck Snake
  Diadophis punctatus punctatus (Linnaeus, 1766) -- valid -- Southern Ring-Necked Snake, Southern Ringneck Snake
  Diadophis punctatus regalis Baird and Girard, 1853 -- valid -- Regal Ring-Necked Snake, Regal Ringsnake Snake
  Diadophis punctatus similis Blanchard, 1923 -- valid -- San Diego Ring-Necked Snake, San Diego Ringneck Snake
  Diadophis punctatus stictogenys Cope, 1860 -- valid -- Mississippi Ring-Necked Snake, Mississippi Ringneck Snake
  Diadophis punctatus vandenburgii Blanchard, 1923 -- valid -- Monterey Ring-Necked Snake, Monterey Ringneck Snake
  Diaphorolepis laevis Werner, 1923 -- valid -- Colombian Frog-eating Snake
  Diaphorolepis wagneri Jan, 1863 -- valid -- Ecuador Frog-eating Snake
  Dicrodon guttulatum Duméril and Bibron, 1839 -- valid -- Peru Desert Tegu
  Dicrodon heterolepis (Tschudi, 1845) -- valid -- Ecuador Desert Tegu
  Dicrodon holmbergi Schmidt, 1957 -- valid -- Holmberg's Desert Tegu
  Dinarolacerta montenegrina Ljubisavljevic, Arribas, Dzukic and Carranza, 2007 -- valid -- Prokletije Rock Lizard
  Dinarolacerta mosorensis (Kolombatovic, 1886) -- valid -- Mosor Rock Lizard
  Diploglossus atitlanensis (Smith in Smith and Taylor, 1950) -- valid -- Atitlán Galliwasp
  Diploglossus bilobatus (O'Shaughnessy, 1874) -- valid -- O'Shaughnessy's Galliwasp
  Diploglossus delasagra (Cocteau, 1838) -- valid -- Cuban Galliwasp, Cuban Pale-necked Galliwasp
  Diploglossus delasagra nigropunctatus (Barbour and Shreve, 1937) -- invalid
  Diploglossus fasciatus (Gray, 1831) -- valid -- Banded Galliwasp
  Diploglossus garridoi Thomas and Hedges, 1998 -- valid -- Cuban Small-eared Galliwasp
  Diploglossus ingridae Werler and Campbell, 2004 -- invalid
  Diploglossus legnotus Campbell and Camarillo, 1994 -- invalid
  Diploglossus lessonae Peracca, 1890 -- valid -- Brazilian Galliwasp
  Diploglossus microlepis (Gray in Griffith, 1831) -- valid -- Small-lipped Galliwasp
  Diploglossus millepunctatus O'Shaughnessy, 1874 -- valid -- Dotted Galliwasp
  Diploglossus monotropis (Kuhl, 1820) -- valid
  Diploglossus montisilvestris Myers, 1973 -- valid -- Mountain Forest Galliwasp
  Diploglossus montisserrati Underwood, 1964 -- valid -- Montserrat Galliwasp
  Diploglossus nigropunctatus (Barbour and Shreve, 1937) -- valid -- Cuban Spotted Galliwasp
  Diploglossus owenii Duméril and Bibron, 1839 -- valid -- Owen's Galliwasp
  Diploglossus pleii Duméril and Bibron, 1839 -- valid -- Puerto Rican Galliwasp
  Diplometopon zarudnyi Nikolsky, 1907 -- valid -- Zarudnyi's Worm Lizard
  Dipsadinae Bonaparte, 1838 -- valid
  Dipsadoboa aulica (Günther, 1864) -- valid -- Cross-barred Snake, Marbled Tree Snake
  Dipsadoboa brevirostris (Sternfeld, 1908) -- valid
  Dipsadoboa duchesnii (Boulenger, 1901) -- valid
  Dipsadoboa flavida (Broadley and Stevens, 1971) -- valid
  Dipsadoboa flavida broadleyi Rasmussen, 1989 -- valid -- Cross-barred Tree Snake
  Dipsadoboa flavida flavida (Broadley and Stevens, 1971) -- valid
  Dipsadoboa shrevei (Loveridge, 1932) -- valid -- Nocturnal Tree Snake, Shreve's Tree Snake
  Dipsadoboa shrevei kageleri (Uthmöller, 1939) -- valid
  Dipsadoboa shrevei shrevei (Loveridge, 1932) -- valid
  Dipsadoboa underwoodi Rasmussen, 1993 -- valid
  Dipsadoboa unicolor Günther, 1858 -- valid -- Günther's Green Tree Snake
  Dipsadoboa viridis (Peters, 1869) -- valid
  Dipsadoboa viridis gracilis Laurent, 1956 -- valid
  Dipsadoboa viridis viridis (Peters, 1869) -- valid
  Dipsadoboa weileri (Lindholm, 1905) -- valid
  Dipsadoboa werneri (Boulenger, 1897) -- valid -- Werner's Green Tree Snake
  Dipsas albifrons (Sauvage, 1884) -- valid -- Sauvage's Snail-eater
  Dipsas alternans (Fischer, 1885) -- valid -- Jan's Snail-eater
  Dipsas andiana (Boulenger, 1896) -- valid
  Dipsas articulata (Cope, 1868) -- valid -- American Snail-eater
  Dipsas baliomelas Harvey, 2008 -- valid
  Dipsas bicolor (Günther, 1895) -- valid -- Two-colored Snail-eater
  Dipsas brevifacies (Cope, 1866) -- valid -- Culebra-caracolera chata, Snail-eating Thirst Snake
  Dipsas bucephala (Shaw, 1802) -- valid -- Neotropical Snail-eater
  Dipsas catesbyi (Sentzen, 1796) -- valid -- Catesby's Snail-eater
  Dipsas chaparensis Reynolds and Foster, 1992 -- valid
  Dipsas copei (Günther, 1872) -- valid
  Dipsas elegans (Boulenger, 1896) -- valid
  Dipsas ellipsifera (Boulenger, 1898) -- valid
  Dipsas gaigeae (Oliver, 1937) -- valid -- Culebra-caracolera de Gaige, Gaige's Thirst Snail-eater
  Dipsas gracilis (Boulenger, 1902) -- valid -- Graceful Snail-eater
  Dipsas incerta (Jan, 1863) -- valid -- Jan's Snail-eater
  Dipsas indica Laurenti, 1768 -- valid -- Neotropical Snail-eater
  Dipsas indica ecuadoriensis Peters, 1960 -- valid
  Dipsas indica indica Laurenti, 1768 -- valid
  Dipsas indica petersi Hoge, 1975 -- valid
  Dipsas infrenalis Rosen, 1905 -- invalid
  Dipsas maxillaris (Werner, 1910) -- valid -- Werner's Thirst Snake
  Dipsas nicholsi (Dunn, 1933) -- valid
  Dipsas oreas (Cope, 1868) -- valid -- Ecuador Snail-eater
  Dipsas pakaraima MacCulloch and Lathrop, 2004 -- valid
  Dipsas pavonina Schlegel, 1837 -- valid -- Northern Snail-eater
  Dipsas peruana (Boettger, 1898) -- valid -- Peru Snail-eater
  Dipsas pratti (Boulenger, 1897) -- valid -- Pratt's Snail-eater
  Dipsas sanctijoannis (Boulenger, 1911) -- valid -- Tropical Snail-eater
  Dipsas sazimai Fernandes, Marques and Argôlo, 2010 -- valid
  Dipsas schunkii (Boulenger, 1908) -- valid -- Schunk's Snail-eater
  Dipsas temporalis (Werner, 1909) -- valid -- Temporal Snail-eater
  Dipsas tenuissima Taylor, 1954 -- valid -- Taylor's Snail-eater
  Dipsas variegata (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Variegated Snail-eater
  Dipsas variegata trinitatis Parker, 1926 -- invalid
  Dipsas vermiculata Peters, 1960 -- valid -- Vermiculate Snail-eater
  Dipsas viguieri (Bocourt, 1884) -- valid -- Bocourt's Snail-eater
  Dipsina multimaculata (A. Smith, 1847) -- valid -- Dwarf Beaked Snake, Western Beaked Snake
  Dispholidus typus (A. Smith, 1828) -- valid -- Boomslang
  Dispholidus typus kivuensis Laurent, 1955 -- valid
  Dispholidus typus punctatus Laurent, 1955 -- valid
  Dispholidus typus typus (A. Smith, 1828) -- valid
  Ditaxodon taeniatus (Peters in Hensel, 1868) -- valid -- Hensel's Snake
  Ditypophis vivax Günther, 1881 -- valid -- Günther's Racer
  Dolichophis caspius (Gmelin, 1789) -- valid
  Dolichophis caspius caspius (Gmelin, 1789) -- valid
  Dolichophis caspius eiselti (Zinner, 1972) -- valid
  Dolichophis jugularis (Linnaeus, 1758) -- valid -- Large Whip Snake
  Dolichophis jugularis asianus (Boettger, 1880) -- valid
  Dolichophis jugularis cypriacus (Zinner, 1972) -- valid
  Dolichophis jugularis jugularis (Linnaeus, 1758) -- valid
  Dolichophis schmidti (Nikolsky, 1909) -- valid
  Dopasia buettikoferi (Lidth de Jeude, 1905) -- valid -- Buettikofer's Glass Lizard
  Dopasia gracilis (Gray, 1845) -- valid -- Asian Glass Lizard, Burmese Glass Lizard, Indian Glass Snake
  Dopasia hainanensis (Yang, 1984) -- valid -- Hainan Glass Lizard
  Dopasia harti (Boulenger, 1899) -- valid -- Hart's Glass Lizard
  Dopasia ludovici (Mocquard, 1905) -- valid -- Ludovic's Glass Lizard
  Dopasia sokolovi (Darevsky and Nguyen-Van-Sang, 1983) -- valid -- Sokolov's Glass Lizard
  Dopasia wegneri (Mertens, 1959) -- valid -- Wegner's Glass Lizard
  Dracaena guianensis Daudin, 1801 -- valid -- Guyana Caiman Lizard, Northern Caiman Lizard
  Dracaena paraguayensis Amaral, 1950 -- valid -- Paraguay Caiman Lizard
  Drepanoides anomalus (Jan, 1863) -- valid -- Black-collared Snake
  Dromicodryas bernieri (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Bernier's Striped Snake
  Dromicodryas quadrilineatus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Four-striped Snake
  Dromicus juliae copeae Parker, 1936 -- invalid
  Dryadosaura nordestina Rodrigues, Xavier Freire, Machado Pellegrino and Sites, 2005 -- valid
  Drymarchon caudomaculatus Wüster, Yrausquin and Mijares-Urrutia, 2001 -- valid
  Drymarchon corais (F. Boie, 1827) -- valid -- Indigo Snake, Yellow-tail Cribo
  Drymarchon corais corais (F. Boie, 1827) -- invalid -- Indigo Snake, Yellow-tailed Cribo
  Drymarchon corais orizabensis (Dugès, 1905) -- invalid
  Drymarchon corais rubidus H. M. Smith, 1941 -- invalid
  Drymarchon corais unicolor H. M. Smith, 1941 -- invalid
  Drymarchon couperi (Holbrook, 1842) -- valid -- Blue Bull Snake, Blue Indigo Snake, Eastern Indigo Snake
  Drymarchon margaritae Roze, 1959 -- valid -- Margarita Indigo Snake
  Drymarchon melanurus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Blacktail Cribo, Central American Indigo Snake, Middle American Indigo Snake
  Drymobius chloroticus (Cope, 1886) -- valid -- Culebra-corredora verdosa, Green Highland Racer
  Drymobius margaritiferus (Schlegel, 1837) -- valid -- Central American Speckled Racer, Culebra-corredora de Petatillos, Speckled Racer
  Drymobius margaritiferus fistulosus H. M. Smith, 1942 -- valid
  Drymobius margaritiferus margaritiferus (Schlegel, 1837) -- valid -- Northern Speckled Racer, Speckled Racer
  Drymobius margaritiferus maydis Villa, 1968 -- valid
  Drymobius margaritiferus occidentalis Bocourt, 1890 -- valid
  Drymobius melanotropis (Cope, 1876) -- valid -- Black Forest Racer
  Drymobius rhombifer (Günther, 1860) -- valid -- Esmarald Racer
  Drymoluber apurimacensis Lehr, Carrillo and Hocking, 2004 -- valid -- Apurímac Woodland Racer
  Drymoluber brazili (Gomes, 1918) -- valid -- Brazilian Woodland Racer
  Drymoluber dichrous (Peters, 1863) -- valid -- Northern Woodland Racer
  Dryocalamus davisonii (Blanford, 1878) -- valid -- Blanford's Bridle Snake, Bridle Snake
  Dryocalamus gracilis (Günther, 1864) -- valid -- Scarce Bridal Snake
  Dryocalamus nympha (Daudin, 1803) -- valid -- Vellore Bridal Snake
  Dryocalamus philippinus Griffin, 1909 -- valid -- Philippine Dryocalamus
  Dryocalamus subannulatus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Malayan Bridal Snake, Southern Bridle Snake
  Dryocalamus tristrigatus Günther, 1858 -- valid
  Dryophiops philippina Boulenger, 1896 -- valid -- Philippine Whip Snake
  Dryophiops rubescens (Gray, 1835) -- valid -- Brown Whip Snake, Red Whip Snake
  Duberria lutrix (Linnaeus, 1758) -- valid -- Common Slug Eater
  Duberria lutrix abyssinica (Boulenger, 1894) -- valid
  Duberria lutrix atriventris (Sternfeld, 1912) -- valid
  Duberria lutrix basilewskyi Skelton-Bourgeois, 1961 -- valid
  Duberria lutrix currylindahli Laurent, 1956 -- valid
  Duberria lutrix lutrix (Linnaeus, 1758) -- valid
  Duberria lutrix rhodesiana Broadley, 1958 -- invalid
  Duberria shirana (Boulenger, 1894) -- valid -- Shire Slug Eater
  Duberria variegata (Peters, 1854) -- valid -- Spotted Slug Eater, Variegated Slug Eater
  Echinanthera amoena (Jan, 1863) -- valid
  Echinanthera cephalomaculata Di Bernardo, 1994 -- valid
  Echinanthera cephalostriata Di Bernardo, 1996 -- valid
  Echinanthera cyanopleura (Cope, 1885) -- valid
  Echinanthera melanostigma (Wagler, 1824) -- valid
  Echinanthera undulata (Wied-Neuwied, 1824) -- valid
  Echinosaura brachycephala Köhler, Böhme and Schmitz, 2004 -- valid
  Echinosaura horrida Boulenger, 1890 -- valid -- Rough Teiid
  Echinosaura orcesi Fritts, Almendáriz and Samec, 2002 -- valid
  Echinosaura palmeri Boulenger, 1911 -- valid -- Palmer's Teiid
  Echinosaura panamensis Barbour, 1924 -- valid -- Panama Teiid
  Echinosaura sulcarostrum Donnelly, MacCulloch, Ugarte and Kizirian, 2006 -- invalid
  Echis borkini Cherlin, 1990 -- valid
  Echis carinatus (Schneider, 1801) -- valid -- Phoorsa, Saw-scaled Viper
  Echis carinatus carinatus (Schneider, 1801) -- valid
  Echis carinatus sochureki Stemmler, 1969 -- valid
  Echis coloratus Günther, 1878 -- valid -- Palestine Saw-scaled Viper
  Echis coloratus coloratus Günther, 1878 -- valid
  Echis coloratus terraesanctae Babocsay, 2003 -- valid
  Echis hughesi Cherlin, 1990 -- valid -- Hughes' Saw-scaled Viper
  Echis jogeri Cherlin, 1990 -- valid -- Joger's Saw-scaled Viper
  Echis khosatzkii Cherlin, 1990 -- valid
  Echis leucogaster Roman, 1972 -- valid -- Roman's Saw-scaled Viper
  Echis megalocephalus Cherlin, 1990 -- valid -- Cherlin's Saw-scaled Viper, Large-headed Carpet Viper
  Echis ocellatus Stemmler, 1970 -- valid -- African Saw-scaled Viper, West African Carpet Viper
  Echis omanensis Babocsay, 2004 -- valid -- Oman Saw-scaled Viper
  Echis pyramidum (Geoffroy de St-Hilaire in Savigny, 1827) -- valid -- Egyptian Saw-scaled Viper, North-East African Carpet Viper
  Echis pyramidum leakeyi Stemmler and Sochurek, 1969 -- valid
  Echis pyramidum lucidus Cherlin, 1990 -- valid
  Echis pyramidum pyramidum (Geoffroy de St-Hilaire in Savigny, 1827) -- valid
  Ecpleopus gaudichaudii Duméril and Bibron, 1839 -- valid
  Egernia cunninghami (Gray, 1832) -- valid -- Cunningham's Skink, Cunningham's Spiny-tailed Skink
  Egernia cygnitos Doughty, Kealley and Donnellan, 2011 -- valid -- Western Pilbara Spiny-tailed Skink
  Egernia depressa (Günther, 1875) -- valid -- Pygmy Spiny-tailed Skink
  Egernia douglasi Glauert, 1956 -- valid -- Kimberley Crevice-skink
  Egernia eos Doughty, Kealley and Donnellan, 2011 -- valid -- Central Pygmy Spiny-tailed Skink
  Egernia epsisolus Doughty, Kealley and Donnellan, 2011 -- valid -- Eastern Pilbara Spiny-tailed Skink
  Egernia formosa Fry, 1914 -- valid -- Goldfields Crevice-skink
  Egernia hosmeri Kinghorn, 1955 -- valid -- Hosmer's Spiny-tailed Skink
  Egernia kingii (Gray, 1838) -- valid -- King's Skink
  Egernia mcpheei Wells and Wellington, 1984 -- valid -- Eastern Crevice Skink, McPhee's Egernia
  Egernia napoleonis (Gray, 1838) -- valid -- South-western Crevice Skink
  Egernia pilbarensis Storr, 1978 -- valid -- Pilbara Crevice Skink
  Egernia richardi (Peters, 1869) -- valid -- Bright Crevice-skink, Dark Spinytail Skink
  Egernia rugosa De Vis, 1888 -- valid -- Yakka Skink
  Egernia saxatilis Cogger, 1960 -- valid -- Black Crevice-skink, Black Rock Skink
  Egernia saxatilis intermedia Cogger, 1960 -- valid
  Egernia saxatilis saxatilis Cogger, 1960 -- valid
  Egernia stokesii (Gray, 1845) -- valid -- Gidgee Skink, Gidgee Spiny-tailed Skink, Stoke's Skink
  Egernia stokesii aethiops Storr, 1978 -- invalid
  Egernia stokesii badia Storr, 1978 -- valid
  Egernia stokesii stokesii (Gray, 1845) -- valid
  Egernia stokesii zellingi De Vis, 1884 -- valid
  Egernia striolata (Peters, 1870) -- valid -- Tree Skink, Tree-crevice Skink
  Eirenis africanus (Boulenger, 1914) -- valid -- African Dwarf Snake
  Eirenis aurolineatus (Venzmer, 1919) -- valid
  Eirenis barani Schmidtler, 1988 -- valid -- Baran Dwarf Racer
  Eirenis barani barani Schmidtler, 1988 -- valid
  Eirenis barani bischofforum Schmidtler, 1997 -- valid
  Eirenis collaris (Ménétries, 1832) -- valid -- Collared Dwarf Racer
  Eirenis collaris collaris (Ménétriés, 1832) -- valid
  Eirenis collaris macrospilotus (Werner, 1904) -- valid
  Eirenis coronella (Schlegel, 1837) -- valid -- Crowned Dwarf Racer
  Eirenis coronella coronella (Schlegel, 1837) -- valid
  Eirenis coronella fennelli Arnold, 1982 -- valid
  Eirenis coronella ibrahimi Sivan and Werner, 2003 -- valid
  Eirenis coronelloides (Jan, 1862) -- valid
  Eirenis decemlineatus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid
  Eirenis eiselti Schmidtler, 1978 -- valid -- Eiselt's Dwarf Racer
  Eirenis hakkariensis Schmidtler and Eiselt, 1991 -- valid
  Eirenis kermanensis Rajabizadeh, Schmidtler, Orlov and Soleimani, 2012 -- valid
  Eirenis levantinus Schmidtler, 1993 -- valid
  Eirenis lineomaculatus Schmidt, 1939 -- valid
  Eirenis medus (Chernov, 1940) -- valid
  Eirenis modestus (Martin, 1838) -- valid -- Asia Minor Dwarf Racer
  Eirenis modestus cilicius Schmidtler, 1993 -- valid
  Eirenis modestus modestus (Martin, 1838) -- valid
  Eirenis modestus semimaculatus (Boettger, 1876) -- valid
  Eirenis persicus (Anderson, 1872) -- valid -- Dark-headed Dwarf Racer
  Eirenis persicus nigrofasciatus (Nikolsky, 1907) -- valid
  Eirenis persicus persicus (Anderson, 1872) -- valid
  Eirenis punctatolineatus (Boettger, 1892) -- valid -- Dotted Dwarf Racer
  Eirenis punctatolineatus condoni (Boulenger, 1920) -- valid
  Eirenis punctatolineatus punctatolineatus (Boettger, 1892) -- valid
  Eirenis rechingeri Eiselt, 1971 -- valid -- Rechinger's Dwarf Racer
  Eirenis rothii Jan, 1863 -- valid -- Roth's Dwarf Racer
  Eirenis thospitis Schmidtler and Lanza, 1990 -- valid
  Elachistodon westermanni Reinhardt, 1863 -- valid -- Indian Egg-eating Snake
  Elaphe anomala (Boulenger, 1916) -- valid
  Elaphe bimaculata Schmidt, 1925 -- valid -- Chinese Leopard Snake
  Elaphe carinata (Günther, 1864) -- valid -- Taiwan Stink Snake
  Elaphe carinata carinata (Günther, 1864) -- valid
  Elaphe carinata yonaguniensis Takara, 1962 -- valid
  Elaphe climacophora (H. Boie, 1826) -- valid -- Japanese Ratsnake
  Elaphe davidi (Sauvage, 1884) -- valid -- Pere David's Rat Snake
  Elaphe dione (Pallas, 1773) -- valid -- Steppes Ratsnake
  Elaphe quadrivirgata (H. Boie, 1826) -- valid -- Japanese Four-lined Ratsnake
  Elaphe quatuorlineata (Bonnaterre, 1790) -- valid -- Four-lined Ratsnake
  Elaphe quatuorlineata muenteri (Bedriaga, 1882) -- valid
  Elaphe quatuorlineata parensis Cattaneo, 1999 -- valid
  Elaphe quatuorlineata quatuorlineata (Bonnaterre, 1790) -- valid
  Elaphe quatuorlineata scyrensis Cattaneo, 1999 -- valid
  Elaphe sauromates (Pallas, 1811) -- valid -- East-Four-lined Ratsnake
  Elaphe schrenckii Strauch, 1873 -- valid -- Amur Ratsnake, Siberian Ratsnake
  Elaphe zoigeensis Huang, Ding, Burbrink, Yang, Huang, Ling, Chen and Zhang, 2012 -- valid -- Zoige Ratsnake
  Elapoidis H. Boie in F. Boie, 1827 -- valid
  Elapoidis fusca F. Boie in H. Boie, 1827 -- valid
  Elapomorphus lepidus Reinhardt, 1861 -- invalid
  Elapomorphus quinquelineatus (Raddi, 1820) -- valid -- Raddi's Lizard-eating Snake
  Elapomorphus spegazzinii Boulenger, 1913 -- invalid
  Elapomorphus spegazzinii suspectus Amaral, 1924 -- invalid
  Elapomorphus wuchereri Günther, 1861 -- valid -- Wucherer's Lizard-eating Snake
  Elapotinus picteti Jan, 1862 -- valid
  Elgaria cedrosensis (Fitch, 1934) -- valid -- Cedros Island Alligator Lizard
  Elgaria coerulea (Wiegmann, 1828) -- valid -- Northern Alligator Lizard
  Elgaria coerulea coerulea (Wiegmann, 1828) -- valid -- San Francisco Alligator Lizard
  Elgaria coerulea palmeri (Stejneger, 1893) -- valid -- Sierra Alligator Lizard
  Elgaria coerulea principis Baird and Girard, 1852 -- valid -- Northern Alligator Lizard, Northwestern Alligator Lizard
  Elgaria coerulea shastensis (Fitch, 1934) -- valid -- Shasta Alligator Lizard
  Elgaria kingii Gray, 1838 -- valid -- Arizona Alligator Lizard, Madrean Alligator Lizard
  Elgaria kingii ferruginea (Webb, 1962) -- valid
  Elgaria kingii kingii Gray, 1838 -- valid -- Madrean Alligator Lizard
  Elgaria kingii nobilis Baird and Girard, 1852 -- valid -- Arizona Alligator Lizard
  Elgaria multicarinata (Blainville, 1835) -- valid -- Lagarto escorpión del Sur, Southern Alligator Lizard
  Elgaria multicarinata ignava (Van Denburgh, 1905) -- valid -- San Martin Alligator Lizard
  Elgaria multicarinata multicarinata (Blainville, 1835) -- valid -- California Alligator Lizard
  Elgaria multicarinata nana (Fitch, 1934) -- valid -- Los Coronados Alligator Lizard
  Elgaria multicarinata scincicauda (Skilton, 1849) -- valid -- Oregon Alligator Lizard
  Elgaria multicarinata webbii (Baird, 1858) -- valid -- San Diego Alligator Lizard
  Elgaria panamintina (Stebbins, 1958) -- valid -- Panamint Alligator Lizard
  Elgaria paucicarinata (Fitch, 1934) -- valid -- Lagarto escorpión de San Lucas, San Lucan Alligator Lizard
  Elgaria velazquezi Grismer and Hollingsworth, 2001 -- valid -- Central Peninsular Alligator Lizard
  Emmochliophis fugleri Fritts and H. M. Smith, 1969 -- valid -- Pinchinda Snake
  Emmochliophis miops (Boulenger, 1898) -- valid
  Emoia adspersa (Steindachner, 1870) -- valid -- Dark-sided Emoia, Dark-sided Skink, Dateline Emoia, Steindachner's Emo Skink
  Emoia aenea Brown and Parker, 1985 -- valid -- Bronze Emo Skink
  Emoia aneityumensis Medway, 1974 -- valid -- Medway's Emo Skink
  Emoia arnoensis Brown and Marshall, 1953 -- valid -- Arno Emoia, Arno Skink, Emo Skink
  Emoia arnoensis arnoensis Brown and Marshall, 1953 -- valid
  Emoia arnoensis nauru Brown, 1991 -- valid
  Emoia atrocostata (Lesson, 1830) -- valid -- Littoral Emoia, Littoral Skink, Littoral Whiptail-skink, Mangrove Skink
  Emoia atrocostata atrocostata (Lesson, 1830) -- valid
  Emoia atrocostata australis Brown, 1991 -- valid
  Emoia atrocostata freycineti (A. M. C. Duméril and Bibron, 1839) -- valid
  Emoia aurulenta Brown and Parker, 1985 -- valid -- Brown's Emo Skink
  Emoia battersbyi (Procter, 1923) -- valid -- Battersby's Emo Skink
  Emoia baudini (A. M. C. Duméril and Bibron, 1839) -- valid -- Baudin's Skink, Great Bight Cool-skink
  Emoia bismarckensis Brown, 1983 -- valid
  Emoia boettgeri (Sternfeld, 1918) -- valid -- Boettger's Emo Skink, Boettger's Emoia, Boettger's Skink
  Emoia bogerti Brown, 1953 -- valid -- Bogert's Emo Skink
  Emoia brongersmai Brown, 1991 -- valid -- Brongersma's Emo Skink
  Emoia caeruleocauda (De Vis, 1892) -- valid -- Marianas Blue-tailed Emoia, Marianas Blue-tailed Skink, Pacific Blue-tailed Emoia, Pacific Bluetail Skink
  Emoia callisticta (Peters and Doria, 1878) -- valid
  Emoia campbelli Brown and Gibbons, 1986 -- valid -- Montane Emo Skink
  Emoia coggeri Brown, 1991 -- valid -- Cogger's Emo Skink
  Emoia concolor (A. H. A. Duméril in A. M. C. Duméril and A. H. A. Duméril, 1851) -- valid -- Fiji Green Emo Skink
  Emoia cyanogaster (Lesson, 1830) -- valid -- Blue-bellied Emoia, Blue-bellied Skink, Teal Emo Skink
  Emoia cyanura (Lesson, 1830) -- valid -- Azure-tailed Emoia, Azure-tailed skink, Copper-tailed Copper-striped Emoia, Copper-tailed Skink
  Emoia cyclops Brown, 1991 -- valid -- Cyclops Emo Skink
  Emoia digul Brown, 1991 -- valid -- Digul Emo Skink
  Emoia erronan Brown, 1991 -- valid -- Common Emo Skink
  Emoia flavigularis Schmidt, 1932 -- valid -- Yellow-throated Emo Skink
  Emoia guttata Brown and Allison, 1986 -- valid -- Allison's Emo Skink
  Emoia impar (Werner, 1898) -- valid -- Azure-tailed Skink, Blue-tailed Striped Emoia, Blue-tailed Striped Skink
  Emoia irianensis Brown, 1991 -- valid -- Irian Emo Skink
  Emoia isolata Brown, 1991 -- valid -- Isloated Emo Skink
  Emoia jakati (Kopstein, 1926) -- valid -- Jakati Emoia, Kopstein's Emo Skink, Kopstein's Emoia, Kopstein's Skink
  Emoia jamur Brown, 1991 -- valid -- Jamur Emo Skink
  Emoia kitcheneri How, Durrant, Smith and Saleh, 1998 -- valid
  Emoia klossi (Boulenger, 1914) -- valid -- Kloss' Emo Skink
  Emoia kordoana (Meyer, 1874) -- valid -- Meyer's Emo Skink
  Emoia kuekenthali (Boettger, 1895) -- valid -- Kuekenthal Emo Skink
  Emoia kuekenthali kuekenthali (Boettger, 1895) -- valid
  Emoia kuekenthali notomoluccense Brongersma, 1931 -- valid
  Emoia laobaoense Bourret, 1937 -- invalid -- Bourret's Emo Skink, Laobao Mangrove Skink
  Emoia laobaoensis Bourret, 1937 -- valid
  Emoia lawesi (Günther, 1874) -- invalid -- Günther's Emo Skink
  Emoia longicauda (Macleay, 1877) -- valid -- Shrub Whiptail-skink
  Emoia loveridgei Brown, 1953 -- valid -- Loveridge's Emo Skink
  Emoia loyaltiensis (Roux, 1913) -- valid -- Roux's Emo Skink
  Emoia maculata Brown, 1954 -- valid -- Spotted Emo Skink
  Emoia maxima Brown, 1953 -- valid -- Great Emo Skink
  Emoia mivarti (Boulenger, 1887) -- valid -- Boulenger's Emo Skink, Mivart's Emoia, Mivart's Skink
  Emoia mokolahi Zug, Ineich, Pregill and Hamilton, 2012 -- valid
  Emoia mokosariniveikau Zug and Ineich, 1995 -- valid
  Emoia montana Brown, 1991 -- valid -- Mountain Emo Skink
  Emoia nativitatis (Boulenger, 1887) -- valid -- Christmas Island Whiptail-skink, Forest Skink
  Emoia nigra (Jacquinot and Guichenot, 1853) -- valid -- Black Emo Skink, Black Emoia, Black Skink
  Emoia nigromarginata (Roux, 1913) -- valid -- Black-bordered Emo Skink
  Emoia obscura (De Jong, 1927) -- valid -- Obscure Emo Skink
  Emoia oribata Brown, 1953 -- valid
  Emoia oriva Zug, 2012 -- valid
  Emoia pallidiceps (De Vis, 1890) -- valid -- De Vis' Emo Skink
  Emoia pallidiceps mehelyi (Werner, 1899) -- valid
  Emoia pallidiceps pallidiceps (De Vis, 1890) -- valid
  Emoia paniai Brown, 1991 -- valid -- Coastal Emo Skink
  Emoia parkeri Brown, Pernetta and Watling, 1980 -- valid -- Parker's Emo Skink
  Emoia physicae (A. M. C. Duméril and Bibron, 1839) -- valid -- Slender Emo Skink
  Emoia physicae physicae (A. M. C. Duméril and Bibron, 1839) -- valid
  Emoia physicae purari Brown, 1991 -- valid
  Emoia physicina Brown and Parker, 1985 -- valid -- Five-toed Emo Skink
  Emoia ponapea Kiester, 1982 -- valid -- Kiester's Emo Skink, Ponape Forest Emoia, Ponape Forest Skink
  Emoia popei Brown, 1953 -- valid -- Pope's Emo Skink
  Emoia pseudocyanura Brown, 1991 -- valid -- False Bluetail Emo Skink
  Emoia pseudopallidiceps Brown, 1991 -- valid -- Arboreal Emo Skink
  Emoia reimschiisseli Tanner, 1950 -- valid -- Reimschisel's Emo Skink
  Emoia rennellensis Brown, 1991 -- valid -- Bright Emo Skink
  Emoia ruficauda Taylor, 1915 -- valid -- Redtail Emo Skink
  Emoia rufilabialis McCoy and Webber, 1984 -- valid -- Red-lipped Emo Skink
  Emoia samoensis (A. H. A. Duméril in A. M. C. Duméril and A. H. A. Duméril, 1851) -- valid -- Samoa Skink, Samoan Emoia, Samoan Skink
  Emoia sanfordi Schmidt and Burt, 1930 -- valid -- Sanford's Emo Skink
  Emoia schmidti Brown, 1954 -- valid -- Schmidt's Emo Skink
  Emoia similis Dunn, 1927 -- valid -- Dunn's Emo Skink
  Emoia slevini Brown and Falanruw, 1972 -- valid -- Marianas Emoia, Slevin's Emo Skink, Slevin's Emoia, Slevin's Skink
  Emoia sorex (Boettger, 1895) -- valid -- Sorex Emo Skink
  Emoia submetallica (Macleay, 1877) -- valid -- Madeay's Emo Skink
  Emoia taumakoensis McCoy and Webber, 1984 -- valid -- Taurnako Emo Skink
  Emoia tetrataenia (Boulenger, 1895) -- valid -- Four-striped Emo Skink
  Emoia tongana (Werner, 1899) -- valid
  Emoia tropidolepis (Boulenger, 1914) -- valid -- Forest Emo Skink
  Emoia trossula Brown and Gibbons, 1986 -- valid -- Fiji Barred Treeskink, Gibbons' Emo Skink
  Emoia tuitarere Zug, Hamilton and Austin, 2011 -- valid
  Emoia veracunda Brown, 1953 -- valid -- Tropical Emo Skink
  Enuliophis sclateri (Boulenger, 1894) -- valid -- Colombian Longtail Snake
  Enulius bifoveatus McCranie and Köhler, 1999 -- valid
  Enulius flavitorques (Cope, 1868) -- valid -- Culebra-cola larga del Pacífico, Pacific Longtail Snake
  Enulius flavitorques flavitorques (Cope, 1868) -- valid
  Enulius flavitorques sumichrasti Bocourt, 1883 -- valid
  Enulius flavitorques unicolor (Fischer, 1881) -- valid
  Enulius oligostichus H. M. Smith, Arndt and Sherbrook, 1967 -- valid -- Culebra-cola larga mexicana, Mexican Longtail Snake
  Enulius roatanensis McCranie and Köhler, 1999 -- valid
  Epicrates alvarezi Abalos, Baez and Nader, 1964 -- valid
  Epicrates assisi Machado, 1945 -- valid
  Epicrates cenchria (Linnaeus, 1758) -- valid -- Rainbow Boa
  Epicrates cenchria cenchria (Linnaeus, 1758) -- invalid
  Epicrates cenchria polylepis Amaral, 1935 -- invalid
  Epicrates crassus Cope, 1862 -- valid
  Epicrates maurus Gray, 1849 -- valid -- Rainbow Boa
  Epicrates maurus guyanensis Matz, 2005 -- invalid
  Epicrates maurus maurus Gray, 1849 -- invalid
  Eremias acutirostris (Boulenger, 1887) -- valid -- Point-snouted Racerunner
  Eremias afghanistanica Böhme and Scerbak, 1991 -- valid -- Afghan Racerunner
  Eremias andersoni Darevsky and Szczerbak, 1978 -- valid -- Anderson's Racerunner
  Eremias argus Peters, 1869 -- valid -- Mongolia Racerunner
  Eremias argus argus Peters, 1869 -- valid
  Eremias argus barbouri Schmidt, 1925 -- valid
  Eremias arguta (Pallas, 1773) -- valid -- Racerunner
  Eremias arguta arguta (Pallas, 1773) -- valid
  Eremias arguta darevskii Tsaruk, 1986 -- valid
  Eremias arguta deserti (Gmelin, 1789) -- valid
  Eremias arguta potanini Bedriaga, 1912 -- invalid
  Eremias arguta transcaucasica Darevsky, 1953 -- valid
  Eremias arguta uzbekistanica Tschernow, 1934 -- valid
  Eremias aria Anderson and Leviton, 1967 -- valid
  Eremias brenchleyi Günther, 1872 -- valid -- Ordos Racerunner
  Eremias buechneri Bedriaga, 1907 -- valid
  Eremias cholistanica Baig and Masroor, 2006 -- valid
  Eremias fasciata Blanford, 1874 -- valid -- Sistan Racerunner
  Eremias grammica (Lichtenstein, 1823) -- valid -- Reticulate Racerunner
  Eremias intermedia (Strauch, 1876) -- valid -- Aralo-Caspian Racerunner
  Eremias kavirensis Mozaffari and Parham, 2007 -- valid -- Maranjaab Racerunner
  Eremias kokshaaliensis Eremchenko and Panfilov, 1999 -- valid
  Eremias lalezharica Moravec, 1994 -- valid -- Lalehzar Racerunner
  Eremias lineolata (Nikolsky, 1897) -- valid -- Striped Racerunner
  Eremias montana N. Rastegar-Pouyani and E. Rastegar-Pouyani, 2001 -- valid -- Mountain Racerunner
  Eremias multiocellata Günther, 1872 -- valid -- Multi-ocellated Racerunner
  Eremias multiocellata bannikowi Szczerbak, 1973 -- invalid
  Eremias multiocellata kozlowi Bedriaga, 1907 -- valid
  Eremias multiocellata multiocellata Günther, 1872 -- valid
  Eremias multiocellata tsaganbogdensis Munkhabayar and Borkin, 2010 -- valid
  Eremias nigrocellata Nikolsky, 1896 -- valid -- Black-Ocellated Racerunner
  Eremias nikolskii Bedriaga in Nikolsky, 1905 -- valid -- Kirghiz Racerunner
  Eremias novo N. Rastegar-Pouyani and E. Rastegar-Pouyani, 2006 -- invalid
  Eremias papenfussi Mozaffari, Ahmadzadeh and Parham, 2011 -- valid -- Papenfuss's Racerunner
  Eremias persica Blanford, 1875 -- valid -- Aralo-Caspian Racerunner
  Eremias pleskei Nikolsky, 1905 -- valid -- Pleske's Racerunner
  Eremias przewalskii (Strauch, 1876) -- valid -- Gobi Racerunner
  Eremias przewalskii tuvensis Szczerbak, 1970 -- invalid
  Eremias quadrifrons (Strauch, 1876) -- valid -- Alachan Racerunner
  Eremias regeli Bedriaga in Nikolsky, 1905 -- valid
  Eremias scripta (Strauch, 1867) -- valid -- Sand Racerunner
  Eremias scripta lasdini (Zarewskij, 1918) -- valid
  Eremias scripta pherganensis Szczerbak and Washetko, 1973 -- valid
  Eremias scripta scripta (Strauch, 1867) -- valid
  Eremias strauchi Kessler, 1878 -- valid -- Strauch's Racerunner
  Eremias stummeri Wettstein, 1940 -- valid -- Stummer's Racerunner, Tien-Shan Racerunner
  Eremias suphani Basoglu and Hellmich, 1968 -- valid -- Basoglu's Racerunner, Suphan Racerunner
  Eremias szczerbaki Eremchenko, Panfilov and Zarinenko, 1992 -- valid -- Szczerbak's Racerunner
  Eremias velox (Pallas, 1771) -- valid -- Central Asian Racerunner, Rapid Fringe-Toed Lizard, Rapid Racerunner
  Eremias velox borkini Eremchenko and Panfilov, 1999 -- valid
  Eremias velox caucasia Lantz, 1928 -- valid
  Eremias velox roborowskii Bedriaga, 1912 -- invalid
  Eremias velox velox (Pallas, 1771) -- valid
  Eremias vermiculata Blanford, 1875 -- valid -- Central Asian Racerunner, Variegated Racerunner
  Eremias yarkandensis Blanford, 1875 -- valid -- Yarkand Sandlizard, Yarkend Racerunner
  Eremiascincus antoniorum (Smith, 1927) -- valid
  Eremiascincus brongersmai (Storr, 1972) -- valid -- Brown-sided bar-lipped Skink
  Eremiascincus butlerorum (Aplin, How and Boeadi, 1993) -- valid
  Eremiascincus douglasi (Storr, 1967) -- valid -- Orange-sided Bar-lipped Skink
  Eremiascincus emigrans (Lidth de Jeude, 1895) -- valid
  Eremiascincus emigrans emigrans (Lidth de Jeude, 1895) -- valid
  Eremiascincus emigrans wetariensis (Mertens, 1928) -- valid
  Eremiascincus fasciolatus (Günther, 1867) -- valid -- Narrow-banded Sand-swimmer, Thick-tailed Skink
  Eremiascincus intermedius (Sternfeld, 1919) -- valid -- Northern Narrow-banded Skink
  Eremiascincus isolepis (Boulenger, 1887) -- valid -- Northern Bar-lipped Skink, Short-legged Slender Skink
  Eremiascincus musivus Mecke, Doughty and Donnellan, 2009 -- valid -- Mosaic Desert Skink
  Eremiascincus pallidus (Günther, 1875) -- valid -- Western Narrow-banded Skink, Western Sand-swimming Skink
  Eremiascincus pardalis (Macleay, 1877) -- valid -- Lowlands Bar-lipped Skink
  Eremiascincus pardalis erro (Copland, 1946) -- invalid
  Eremiascincus phantasmus Mecke, Doughty and Donnellan, 2013 -- valid -- Ghost Skink
  Eremiascincus richardsonii (Gray, 1845) -- valid -- Broad-banded Sand-swimmer, Keeled Skink, Richardson's Skink
  Eremiascincus timorensis (Greer, 1990) -- valid
  Eroticoscincus graciloides (Lönnberg and Andersson, 1913) -- valid -- Elf Skink
  Erythrolamprus aesculapii (Linnaeus, 1758) -- valid -- Aesculapian False Coral Snake, False Coral Snake
  Erythrolamprus aesculapii aesculapii (Linnaeus, 1758) -- valid
  Erythrolamprus aesculapii monozona Jan, 1863 -- valid
  Erythrolamprus aesculapii tetrazona Jan, 1863 -- valid
  Erythrolamprus aesculapii venustissimus (Wied-Neuwied, 1821) -- valid
  Erythrolamprus albertguentheri Grazziotin, Zaher, Murphy, Scrocchi, Benavides, Zhang and Bonatto, 2012 -- valid -- Günther's Green Liophis, Günther's Green Liophis
  Erythrolamprus almadensis (Wagler, 1824) -- valid -- Almaden Ground Snake
  Erythrolamprus andinus (Dixon, 1983) -- valid
  Erythrolamprus atraventer (Dixon and Thomas, 1985) -- valid -- Dixon's Ground Snake
  Erythrolamprus bizona Jan, 1863 -- valid -- False Coral Snake
  Erythrolamprus breviceps (Cope, 1860) -- valid -- Short Ground Snake
  Erythrolamprus breviceps breviceps (Cope, 1860) -- invalid
  Erythrolamprus breviceps canaima (Roze, 1955) -- invalid
  Erythrolamprus carajasensis (da Cunha, Nascimento and Avila-Pires, 1985) -- valid
  Erythrolamprus ceii (Dixon, 1991) -- valid
  Erythrolamprus cobella (Linnaeus, 1758) -- valid -- Mangrove Snake
  Erythrolamprus cursor (Lacépède, 1789) -- valid -- Lacépède's Ground Snake
  Erythrolamprus dorsocorallinus (Esqueda, Natera, la Marca and Ilija-Fistar, 2007) -- valid
  Erythrolamprus epinephelus (Cope, 1862) -- valid
  Erythrolamprus epinephelus albiventris (Jan, 1863) -- valid
  Erythrolamprus epinephelus bimaculatus (Cope, 1899) -- valid
  Erythrolamprus epinephelus epinephelus (Cope, 1862) -- valid
  Erythrolamprus epinephelus fraseri (Boulenger, 1894) -- valid
  Erythrolamprus epinephelus juvenalis (Dunn, 1937) -- valid
  Erythrolamprus epinephelus lamonae (Dunn, 1944) -- valid
  Erythrolamprus epinephelus opisthotaenius (Boulenger, 1908) -- valid
  Erythrolamprus epinephelus pseudocobella (Peracca, 1914) -- valid
  Erythrolamprus festae (Peracca, 1897) -- valid -- Drab Ground Snake
  Erythrolamprus frenatus (Werner, 1909) -- valid -- Swamp Liophis
  Erythrolamprus guentheri Garman, 1883 -- valid -- Günther's False Coral Snake
  Erythrolamprus ingeri (Roze, 1958) -- valid
  Erythrolamprus jaegeri (Günther, 1858) -- valid -- Jaeger's Ground Snake
  Erythrolamprus jaegeri coralliventris (Boulenger, 1894) -- valid
  Erythrolamprus jaegeri jaegeri (Günther, 1858) -- valid
  Erythrolamprus janaleeae (Dixon, 2000) -- valid
  Erythrolamprus juliae (Cope, 1879) -- valid -- Julia's Ground Snake
  Erythrolamprus juliae copeae (Parker, 1936) -- valid
  Erythrolamprus juliae juliae (Cope, 1879) -- valid
  Erythrolamprus leucogaster (Jan, 1863) -- invalid
  Erythrolamprus longiventris (Amaral, 1925) -- valid -- Long Ground Snake
  Erythrolamprus maryellenae (Dixon, 1985) -- valid -- Maryellen's Ground Snake
  Erythrolamprus melanotus (Shaw, 1802) -- valid -- Shaw's Black-backed Snake, Shaw's Dark Ground Snake
  Erythrolamprus melanotus lamari (Dixon and Michaud, 1992) -- valid
  Erythrolamprus melanotus melanotus (Shaw, 1802) -- valid
  Erythrolamprus melanotus nesos (Dixon and Michaud, 1992) -- valid
  Erythrolamprus mertensi (Roze, 1964) -- valid -- Mertens' Tropical Forest Snake
  Erythrolamprus miliaris (Linnaeus, 1758) -- valid -- Military Ground Snake
  Erythrolamprus miliaris amazonicus (Dunn, 1922) -- valid
  Erythrolamprus miliaris chrysostomus (Cope, 1868) -- valid
  Erythrolamprus miliaris kogiorum (Bernal-Carlo, 1994) -- invalid
  Erythrolamprus miliaris merremi (Wied-Neuwied, 1821) -- valid
  Erythrolamprus miliaris miliaris (Linnaeus, 1758) -- valid
  Erythrolamprus miliaris orinus (Griffin, 1916) -- valid
  Erythrolamprus mimus (Cope, 1868) -- valid -- Mimic False Coral Snake
  Erythrolamprus mimus micrurus Dunn and Bailey, 1939 -- valid
  Erythrolamprus mimus mimus (Cope, 1868) -- valid
  Erythrolamprus mossoroensis (Hoge and Lima-Verde, 1973) -- valid
  Erythrolamprus ocellatus Peters, 1869 -- valid -- Red Snake, Tobago False Coral Snake
  Erythrolamprus ornatus (Garman, 1887) -- valid -- Saint Lucia Racer
  Erythrolamprus perfuscus (Cope, 1863) -- valid -- Tan Ground Snake
  Erythrolamprus poecilogyrus (Wied-Neuwied, 1825) -- valid
  Erythrolamprus poecilogyrus caesius (Cope, 1862) -- valid
  Erythrolamprus poecilogyrus poecilogyrus (Wied-Neuwied, 1825) -- valid
  Erythrolamprus poecilogyrus reticulatus (Parker, 1931) -- invalid
  Erythrolamprus poecilogyrus schotti (Schlegel, 1837) -- valid
  Erythrolamprus poecilogyrus sublineatus (Cope, 1860) -- valid
  Erythrolamprus problematicus (Myers, 1986) -- valid -- Problem Ground Snake
  Erythrolamprus pseudocorallus Roze, 1959 -- valid -- False Coral Snake
  Erythrolamprus pyburni (Markezich and Dixon, 1979) -- valid -- Pyburn's Tropical Forest Snake
  Erythrolamprus pygmaeus (Cope, 1868) -- valid -- Amazon Tropical Forest Snake
  Erythrolamprus reginae (Linnaeus, 1758) -- valid -- Royal Ground Snake
  Erythrolamprus reginae macrosoma (Amaral, 1936) -- valid
  Erythrolamprus reginae reginae (Linnaeus, 1758) -- valid
  Erythrolamprus reginae semilineatus (Wagler, 1824) -- valid
  Erythrolamprus reginae zweifeli (Roze, 1959) -- invalid
  Erythrolamprus sagittifer (Jan, 1863) -- valid -- Arrow Ground Snake
  Erythrolamprus sagittifer modestus (Koslowsky, 1896) -- valid
  Erythrolamprus sagittifer sagittifer (Jan, 1863) -- valid
  Erythrolamprus semiaureus (Cope, 1862) -- valid
  Erythrolamprus steinbachi (Boulenger, 1905) -- invalid
  Erythrolamprus subocularis (Boulenger, 1902) -- valid
  Erythrolamprus taeniogaster (Jan, 1866) -- valid
  Erythrolamprus taeniurus (Tschudi, 1845) -- valid -- Thin Ground Snake
  Erythrolamprus torrenicola (Donnelly and Myers, 1991) -- valid -- Velvety Swamp Snake
  Erythrolamprus trebbaui (Roze, 1958) -- valid
  Erythrolamprus triscalis (Linnaeus, 1758) -- valid -- Three-scaled Ground Snake
  Erythrolamprus typhlus (Linnaeus, 1758) -- valid -- Blind Ground Snake, Velvet Swampsnake
  Erythrolamprus typhlus brachyurus (Cope, 1887) -- valid
  Erythrolamprus typhlus elaeoides (Griffin, 1916) -- valid
  Erythrolamprus typhlus typhlus (Linnaeus, 1758) -- valid
  Erythrolamprus viridis (Günther, 1862) -- valid -- Crown Ground Snake
  Erythrolamprus viridis prasinus (Jan and Sordelli, 1866) -- valid
  Erythrolamprus viridis viridis (Günther, 1862) -- valid
  Erythrolamprus vitti (Dixon, 2000) -- valid
  Erythrolamprus williamsi (Roze, 1958) -- valid -- Williams' Ground Snake
  Eryx borrii Lanza and Nistri, 2005 -- valid
  Eryx colubrinus (Linnaeus, 1758) -- valid
  Eryx colubrinus colubrinus (Linnaeus, 1758) -- valid
  Eryx colubrinus loveridgei Stull, 1932 -- valid
  Eryx conicus (Schneider, 1801) -- valid
  Eryx conicus brevis Deraniyagala, 1951 -- valid
  Eryx conicus conicus (Schneider, 1801) -- valid
  Eryx elegans (Gray, 1849) -- valid
  Eryx jaculus (Linnaeus, 1758) -- valid
  Eryx jaculus familiaris Eichwald, 1831 -- invalid
  Eryx jaculus jaculus (Linnaeus, 1758) -- invalid
  Eryx jaculus turcicus (Olivier, 1801) -- invalid
  Eryx jayakari Boulenger, 1888 -- valid
  Eryx johnii (Russell, 1801) -- valid
  Eryx johnii johnii (Russell, 1801) -- invalid
  Eryx johnii persicus Nikolsky, 1907 -- invalid
  Eryx miliaris (Pallas, 1773) -- valid
  Eryx miliaris miliaris (Pallas, 1773) -- valid
  Eryx miliaris nogaiorum Nikolsky, 1910 -- valid
  Eryx muelleri (Boulenger, 1892) -- valid
  Eryx muelleri muelleri (Boulenger, 1892) -- valid
  Eryx muelleri subniger Angel, 1938 -- valid
  Eryx somalicus Scortecci, 1939 -- valid
  Eryx tataricus (Lichtenstein, 1823) -- valid
  Eryx tataricus speciosus Carevskij, 1916 -- valid
  Eryx tataricus tataricus (Lichtenstein, 1823) -- valid
  Eryx tataricus vittatus Chernov, 1959 -- invalid
  Eryx whitakeri Das, 1991 -- valid
  Etheridgeum pulchrum (Werner, 1924) -- valid -- Sumatra Etheridge Snake
  Eugongylus albofasciolatus (Günther, 1872) -- valid -- White-banded Giant Skink, White-banded Mastiff Skink, White-striped Cape Skink
  Eugongylus mentovarius (Boettger, 1895) -- valid -- Odd-chinned Giant Skink, Odd-chinned Mastiff Skink
  Eugongylus rufescens (Shaw, 1802) -- valid -- Bar-lipped Sheen-skink
  Eugongylus sulaensis (Kopstein, 1927) -- valid -- Sula Skink
  Eugongylus unilineatus (de Rooij, 1915) -- valid
  Eulamprus heatwolei Wells and Wellington, 1983 -- valid -- Warm-temperate Water-skink
  Eulamprus kosciuskoi (Kinghorn, 1932) -- valid -- Alpine Meadow-skink, Alpine Water Skink
  Eulamprus leuraensis Wells and Wellington, 1983 -- valid -- Blue Mountains Swamp-skink, Blue Mountains Water Skink
  Eulamprus quoyii (A. M. C. Duméril and Bibron, 1839) -- valid -- Eastern Water Skink, Eastern Water-skink
  Eulamprus tympanum (Lönnberg and Andersson, 1915) -- valid -- Cool-temperate Water-skink, Highland Water Skink
  Eulamprus tympanum marnieae Hutchinson and Rawlinson, 1995 -- valid
  Eulamprus tympanum tympanum (Lönnberg and Andersson, 1915) -- valid
  Eumeces algeriensis Peters, 1864 -- valid -- Algerian Skink
  Eumeces algeriensis algeriensis Peters, 1864 -- valid
  Eumeces algeriensis meridionalis Domergue, 1901 -- valid
  Eumeces blythianus (Anderson, 1871) -- valid
  Eumeces cholistanensis Masroor, 2009 -- valid
  Eumeces indothalensis Khan and Khan, 1997 -- valid -- Striped Mole Skink
  Eumeces schneiderii (Daudin, 1802) -- valid -- Gold Skink, Schneider's Skink
  Eumeces schneiderii barani Kumlutas, Arikan, Ilgaz and Kaska, 2007 -- valid
  Eumeces schneiderii pavimentatus (Geoffroy de St. Hilaire, 1827) -- valid
  Eumeces schneiderii princeps (Eichwald, 1839) -- valid
  Eumeces schneiderii schneiderii (Daudin, 1802) -- valid
  Eumeces schneiderii zarudnyi (Nikolsky, 1900) -- valid
  Eumecia anchietae Bocage, 1870 -- valid -- Anchieta's Snake Skink, Western Serpentiform Skink
  Eumecia anchietae anchietae Bocage, 1870 -- valid -- Western Serpentiform Skink
  Eumecia anchietae major Laurent, 1964 -- valid -- Lunda Western Snake Skink
  Eumecia anchietae wittei Laurent, 1964 -- valid
  Eumecia johnstoni (Boulenger, 1897) -- valid
  Eunectes beniensis Dirksen, 2002 -- valid
  Eunectes deschauenseei Dunn and Conant, 1936 -- valid
  Eunectes murinus (Linnaeus, 1758) -- valid
  Eunectes notaeus Cope, 1862 -- valid
  Euprepiophis conspicillata (H. Boie, 1826) -- valid -- Burrowing Ratsnake, Japanese Woodsnake
  Euprepiophis mandarinus (Cantor, 1842) -- valid -- Mandarin Ratsnake
  Euprepiophis perlacea (Stejneger, 1929) -- valid -- Pearl-banded Rat Snake, Szechwan Rat Snake
  Eurylepis poonaensis (Sharma, 1970) -- valid -- Poona Skink
  Eurylepis taeniolata Blyth, 1854 -- valid -- Alpine Punjab Skink, Ribbon-Sided Skink, Yellow-bellied Mole Skink
  Eurylepis taeniolata arabica (Szczerbak, 1990) -- valid
  Eurylepis taeniolata parthianica (Szczerbak, 1990) -- valid
  Eurylepis taeniolata taeniolata Blyth, 1854 -- valid
  Euspondylus acutirostris (Peters, 1863) -- valid -- Sharp-snouted Sun Tegus
  Euspondylus auyanensis Myers, Rivas and Jadin, 2009 -- valid
  Euspondylus caideni Köhler, 2003 -- valid
  Euspondylus guentheri (O'Shaughnessy, 1881) -- valid -- Günther's Sun Tegus
  Euspondylus josyi Köhler, 2003 -- invalid
  Euspondylus maculatus Tschudi, 1845 -- valid -- Spotted Sun Tegus
  Euspondylus monsfumus Mijares-Urrutia, Señaris and Arends, 2001 -- valid
  Euspondylus nellycarrillae Köhler and Lehr, 2004 -- valid
  Euspondylus oreades Chávez, Siu-Ting, Duran and Venegas, 2011 -- invalid
  Euspondylus rahmi (De Grijs, 1936) -- invalid
  Euspondylus simonsii Boulenger, 1901 -- valid -- Simons' Sun Tegus
  Euspondylus spinalis (Boulenger, 1911) -- invalid
  Eutaenia atrata Kennicott in Cooper, 1860 -- invalid
  Eutaenia biscutata Cope, 1883 -- invalid
  Eutaenia chrysocephala Cope, 1885 -- invalid
  Eutaenia couchii Kennicott in Baird, 1859 -- invalid
  Eutaenia cyrtopsis Kennicott, 1860 -- invalid
  Eutaenia cyrtopsis fulvus Bocourt, 1893 -- invalid
  Eutaenia cyrtopsis ocellata Cope, 1880 -- invalid
  Eutaenia dorsalis Baird and Girard, 1853 -- invalid
  Eutaenia elegans Baird and Girard, 1853 -- invalid
  Eutaenia elegans lineolata Cope, 1892 -- invalid
  Eutaenia marcianus Baird and Girard, 1853 -- invalid
  Eutaenia megalops Kennicott, 1860 -- invalid
  Eutaenia praeocularis Bocourt, 1892 -- invalid
  Eutaenia pulchrilatus Cope, 1885 -- invalid
  Eutaenia rutiloris Cope, 1885 -- invalid
  Eutaenia sackenii Kennicott, 1859 -- invalid
  Eutaenia sirtalis semifasciatus Cope, 1892 -- invalid
  Eutaenia sumichrasti Cope, 1867 -- invalid
  Eutaenia vagrans Baird and Girard, 1853 -- invalid
  Eutropis alcalai Barley, Sanguila and Brown, 2021 -- valid
  Eutropis andamanensis (Smith, 1935) -- valid -- Andaman Islands Grassskink
  Eutropis beddomei (Jerdon, 1870) -- valid -- Beddome's Mabuya
  Eutropis bibronii (Gray, 1839) -- valid -- Seashore Skink
  Eutropis bontocensis (Taylor, 1923) -- valid -- Luzon Montane Mabouya
  Eutropis brevis (Günther, 1875) -- valid
  Eutropis carinata (Schneider, 1801) -- valid -- Common Skink, Keeled Indian Mabuya
  Eutropis chapaensis (Bourret, 1937) -- valid -- Sapa Mabuya
  Eutropis clivicola (Inger, Shaffer, Koshy and Bakde, 1984) -- valid -- Inger's Mabuya
  Eutropis cumingi (Brown and Alcala, 1980) -- valid -- Cuming's Mabuya
  Eutropis darevskii (Bobrov, 1992) -- valid -- Darevsky's Mabuya
  Eutropis dawsoni (Annandale, 1909) -- valid
  Eutropis dissimilis (Hallowell, 1857) -- valid -- Striped Grass Mabuya, Striped Grass Skink
  Eutropis englei (Taylor, 1925) -- valid -- Six-striped Mabouya
  Eutropis floweri (Taylor, 1950) -- valid
  Eutropis gansi (Das, 1991) -- invalid -- Gans' Grass Skink
  Eutropis grandis Howard, Gillespie, Riyanto and Iskandar, 2007 -- invalid
  Eutropis indeprensa (Brown and Alcala, 1980) -- valid -- Brown's Mabuya
  Eutropis innotata (Blanford, 1870) -- valid -- Blanford's Mabuya
  Eutropis longicaudata (Hallowell, 1857) -- valid -- Long-tailed Sun Skink, Longtail Mabuya
  Eutropis macrophthalma (Mausfeld and Böhme, 2002) -- valid
  Eutropis macularia (Blyth, 1853) -- valid -- Bronze Mabuya, Bronze Skink, Grass Sun Skink
  Eutropis macularia malcolmi (Taylor and Elbel, 1958) -- invalid
  Eutropis macularia postnasalis (Taylor and Elbel, 1958) -- invalid
  Eutropis macularia quadrifasciata (Taylor and Elbel, 1958) -- invalid
  Eutropis madaraszi (Méhely, 1897) -- valid -- Sri Lanka Bronze Skink
  Eutropis multicarinata (Gray, 1845) -- valid -- Many-keeled Mabuya
  Eutropis multifasciata (Kuhl, 1820) -- valid -- Brown Mabuya, Common Sun Skink, East Indian Brown Mabuya, Javan Sun Skink, Many-lined Sun Skink
  Eutropis multifasciata tjendikianensis (Mertens, 1956) -- invalid
  Eutropis nagarjuni (Sharma, 1969) -- valid -- Nagarjuni Lizard, Sharma's Mabuya
  Eutropis novemcarinata (Anderson, 1871) -- invalid
  Eutropis quadratilobus (Bauer and Günther, 1992) -- valid
  Eutropis quadricarinata (Boulenger, 1887) -- valid -- Beautiful Mabuya
  Eutropis rudis (Boulenger, 1887) -- valid -- Rough Mabuya
  Eutropis rugifera (Stoliczka, 1870) -- valid -- Rough-scaled Sun Skink
  Eutropis tammanna Das, de Silva and Austin, 2008 -- valid
  Eutropis trivittata (Hardwicke and Gray, 1827) -- valid -- Three-banded Mabuya
  Eutropis tytleri (Theobald, 1868) -- valid -- Tytler's Mabuya
  Eutropis vertebralis (Boulenger, 1887) -- valid
  Exila nigropalmata (Andersson, 1918) -- valid -- Black Mabuya
  Exiliboa placata Bogert, 1968 -- valid -- Boa-enana oaxaqueña
  Farancia abacura (Holbrook, 1836) -- valid -- Mud Snake, Mudsnake, Red-bellied Mudsnake
  Farancia abacura abacura (Holbrook, 1836) -- valid -- Eastern Mud Snake, Eastern Mudsnake
  Farancia abacura reinwardtii (Schlegel, 1837) -- valid -- Western Mud Snake, Western Mudsnake
  Farancia erytrogramma (Palisot de Beauvois, 1801) -- valid -- Rainbow Snake
  Farancia erytrogramma erytrogramma (Palisot de Beauvois, 1801) -- valid -- Common Rainbow Snake, Rainbow Snake
  Farancia erytrogramma seminola Neill, 1964 -- valid -- South Florida Rainbow Snake
  Feylinia currori Gray, 1845 -- valid -- Western Forest Feylinia
  Feylinia elegans (Hallowell, 1854) -- valid -- Elegant Feylinia
  Feylinia grandisquamis Müller, 1910 -- valid -- Large-scaled Burrowing Skink, Large-scaled Feylinia
  Feylinia macrolepis Boettger, 1887 -- valid
  Feylinia polylepis Bocage, 1887 -- valid -- Many-scaled Feylinia
  Ficimia hardyi Mendoza-Quijano and H. M. Smith, 1993 -- valid
  Ficimia olivacea Gray, 1849 -- valid -- Culebra-naricilla huasteca
  Ficimia publia Cope, 1866 -- valid -- Blotched Hooknose Snake, Culebra-naricilla manchada
  Ficimia publia publia Cope, 1866 -- valid
  Ficimia publia taylori H. M. Smith, 1947 -- valid
  Ficimia ramirezi H. M. Smith and Langebartel, 1949 -- valid -- Culebra-naricilla de Ramírez, Ramirez's Hooknose Snake
  Ficimia ruspator H. M. Smith and Taylor, 1941 -- valid -- Culebra-naricilla guerrerense, Guerreran Hooknose Snake
  Ficimia streckeri Taylor, 1931 -- valid -- Culebra-naricilla mexicana, Mexican Hook-nosed Snake, Mexican Hooknose Snake, Tamaulipan Hook-nosed Snake, Tamaulipan Hooknose Snake
  Ficimia variegata (Günther, 1858) -- valid -- Culebra-naricilla de Tehuantepec, Tehuantepec Hooknose Snake
  Fimbrios klossi M. A. Smith, 1921 -- valid -- Bearded Snake
  Fimbrios smithi Ziegler, David, Miralles, Van Kien and T. Q. Nguyen, 2008 -- valid
  Fojia bumui Greer and Simon, 1982 -- valid -- Fojia Skink
  Gallotia atlantica (Peters and Doria, 1882) -- valid -- Atlantic Lizard
  Gallotia atlantica atlantica (Peters and Doria, 1882) -- valid
  Gallotia atlantica mahoratae Bischoff, 1985 -- valid
  Gallotia auaritae Mateo, Garcia-Marquez, López-Jurado and Barahona, 2001 -- valid
  Gallotia bravoana Hutterer, 1985 -- valid
  Gallotia caesaris (Lehrs, 1914) -- valid
  Gallotia caesaris caesaris (Lehrs, 1914) -- valid
  Gallotia caesaris gomerae (Boettger and Müller, 1914) -- valid
  Gallotia galloti (Oudart, 1839) -- valid -- Gallot's Lizard
  Gallotia galloti eisentrauti Bischoff, 1982 -- valid
  Gallotia galloti galloti (Oudart, 1839) -- valid
  Gallotia galloti insulanagae Martin, 1985 -- valid
  Gallotia galloti palmae (Boettger and Müller, 1914) -- valid
  Gallotia intermedia Barrbadillo, Lacoba, Pérez-Mellado, Sancho and López-Jurado, 1999 -- valid -- Canarian Spotted Lizard, Lagarto canario moteado
  Gallotia simonyi (Steindachner, 1889) -- valid -- Simony's Lizard
  Gallotia simonyi machadoi López-Jurado, 1989 -- invalid
  Gallotia stehlini (Schenkel, 1901) -- valid
  Garthius chaseni (M. A. Smith, 1931) -- valid -- Chasen's Mountain Pitviper, Mount Kinabalu Pit Viper
  Gastropholis echinata (Cope, 1862) -- valid
  Gastropholis prasina Werner, 1904 -- valid -- Green Keel-bellied Lizard
  Gastropholis tropidopholis (Boulenger, 1916) -- valid
  Gastropholis vittata Fischer, 1886 -- valid -- Keelbelly Ground Lizard
  Geagras redimitus Cope, 1876 -- valid -- Culebra-minera de Tehuantepec, Tehuantepec Striped Snake
  Geocalamus acutus Sternfeld, 1912 -- valid -- Wedge-snouted Worm Lizard
  Geocalamus modestus Günther, 1880 -- valid -- Mpwapwa Wedge-snouted Worm Lizard
  Geomyersia coggeri Greer, 1982 -- valid -- Cogger's Island Skink
  Geomyersia glabra Greer and Parker, 1968 -- valid -- Greer's Island Skink
  Geophis anocularis Dunn, 1920 -- valid -- Culebra-minera de Sierra Mije, Sierra Mije Earth Snake
  Geophis bellus Myers, 2003 -- valid
  Geophis betaniensis Restrepo and Wright, 1987 -- valid -- Betanien Earth Snake
  Geophis bicolor Günther, 1868 -- valid -- Culebra-minera del Altiplano, Mexican Plateau Earth Snake
  Geophis blanchardi Taylor and H. M. Smith, 1939 -- valid -- Blanchard's Earth Snake, Culebra-minera de Blanchard
  Geophis brachycephalus (Cope, 1871) -- valid -- Colombian Earth Snake
  Geophis cancellatus H. M. Smith, 1941 -- valid -- Chiapas Earth Snake, Culebra-minera de Chiapas
  Geophis carinosus Stuart, 1941 -- valid -- Culebra-minera aquillada, Keeled Earth Snake
  Geophis chalybeus (Wagler, 1830) -- valid -- Culebra-minera veracruzana, Veracruz Earth Snake
  Geophis championi Boulenger, 1894 -- valid -- Panamenian Earth Snake
  Geophis damiani Wilson, McCranie and Williams, 1998 -- valid
  Geophis downsi Savage, 1981 -- valid -- Savage's Earth Snake
  Geophis dubius (Peters, 1861) -- valid -- Culebra-minera de la Mesa del Sur, Mesa del Sur Earth Snake
  Geophis duellmani H. M. Smith and Holland, 1969 -- valid -- Culebra-minera de Sierra de Juárez, Sierra Juarez Earth Snake
  Geophis dugesii Bocourt, 1883 -- valid -- Dugès' Earth Snake
  Geophis dugesii aquilonaris Legler, 1959 -- valid
  Geophis dugesii dugesii Bocourt, 1883 -- valid
  Geophis dunni Schmidt, 1932 -- valid -- Dunn's Earth Snake
  Geophis fulvoguttatus Mertens, 1952 -- valid -- Mertens' Earth Snake
  Geophis godmani Boulenger, 1894 -- valid -- Godman's Earth Snake
  Geophis hoffmanni (Peters, 1859) -- valid -- Hoffmann's Earth Snake
  Geophis immaculatus Downs, 1967 -- valid -- Culebra-minera inmaculada, Downs' Earth Snake
  Geophis incomptus Duellman, 1959 -- valid -- Culebra-minera de Sierra Coacolman, Sierra Coalcoman Earth Snake
  Geophis isthmicus (Boulenger, 1894) -- valid -- Culebra-minera de Tehuantepec, Isthmian Earth Snake
  Geophis juarezi Nieto-Montes de Oca, 2003 -- valid
  Geophis juliai Pérez-Higareda, H. M. Smith and López-Luna, 2001 -- valid
  Geophis laticinctus H. M. Smith and Williams, 1963 -- valid -- Culebra-minera de la Mesa Central, Mesa Central Earth Snake
  Geophis laticollaris H. M. Smith, Lynch and Altig, 1965 -- valid -- Widecollar Earth Snake
  Geophis latifrontalis Garman, 1883 -- valid -- Culebra-minera potosina, Potosí Earth Snake
  Geophis latifrontalis latifrontalis Garman, 1883 -- valid
  Geophis latifrontalis semiannulatus H. M. Smith, 1941 -- valid
  Geophis maculiferus Taylor, 1941 -- valid -- Culebra-minera michoacana, Michoacán Earth Snake
  Geophis mutitorques (Cope, 1885) -- valid -- Culebra-minera de tierras altas, Highland Earth Snake
  Geophis nasalis (Cope, 1868) -- valid -- Coffee Earth Snake, culeba-minera del café
  Geophis nephodrymus Townsend and Wilson, 2006 -- valid
  Geophis nigroalbus Boulenger, 1908 -- valid
  Geophis nigrocinctus Duellman, 1959 -- valid -- Black-banded Earth Snake, Culebra-minera rayas negras
  Geophis occabus Pavón-Vázquez, García-Vázquez, Blancas-Hernández and Nieto-Montes de Oca, 2011 -- valid
  Geophis omiltemanus Günther, 1893 -- valid -- Culebra-minera guerrerense, Guerreran Earth Snake
  Geophis petersii Boulenger, 1894 -- valid -- Peters' Earth Snake
  Geophis pyburni Campbell and Murphy, 1977 -- valid -- Culebra-minadora de Pyburn, Pyburn's Earth Snake
  Geophis rhodogaster (Cope, 1868) -- valid -- Rosebelly Earth Snake
  Geophis rostralis (Jan, 1865) -- valid
  Geophis russatus H. M. Smith and Williams, 1966 -- valid -- Culebra-minadora roja, Red Earth Snake
  Geophis ruthveni Werner, 1925 -- valid -- Ruthven's Earth Snake
  Geophis sallaei Boulenger, 1894 -- valid -- Culebra-minadora de Salle, Sallae's Earth Snake
  Geophis semidoliatus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Coral Earth Snake, Culebra-minadora coralillo
  Geophis sieboldi (Jan, 1862) -- valid -- Culebra-miandora de Siebold, Siebold's Earth Snake
  Geophis talamancae Lips and Savage, 1994 -- valid
  Geophis tarascae Hartweg, 1959 -- valid -- Culebra-miandora tarasca, Tarascan Earth Snake
  Geophis tectus Savage and Watling, 2008 -- valid
  Geophis turbidus Pavón-Vázquez, Canseco-Márquez and Nieto-Montes de Oca, 2013 -- valid
  Geophis zeledoni Taylor, 1954 -- valid
  Geoscincus haraldmeieri (Böhme, 1976) -- valid
  Gerrhonotus farri Bryson and Graham, 2010 -- valid
  Gerrhonotus infernalis Baird, 1859 -- valid -- Texas Alligator Lizard
  Gerrhonotus liocephalus Wiegmann, 1828 -- valid -- Lagarto escorpión texano, Smooth-headed Alligator Lizard, Texas Alligator Lizard, Wiegmann's Alligator Lizard
  Gerrhonotus liocephalus austrinus Hartweg and Tihen, 1946 -- valid
  Gerrhonotus liocephalus liocephalus Wiegmann, 1828 -- valid -- Texas Alligator Lizard
  Gerrhonotus liocephalus loweryi Tihen, 1948 -- valid
  Gerrhonotus liocephalus taylori Tihen, 1954 -- invalid
  Gerrhonotus lugoi McCoy, 1970 -- valid -- Lagarto escorpión de Lugo, Lugo's Alligator Lizard
  Gerrhonotus ophiurus Cope, 1867 -- valid -- Snake Lizard
  Gerrhonotus parvus Knight and Scudday, 1985 -- valid -- Lagarto escorpión pigmeo, Pygmy Alligator Lizard
  Gerrhopilidae Vidal, Marin, Morini, Donnellan, Branch, Thomas et al., 2010 -- valid
  Gerrhopilus andamanensis (Stoliczka, 1871) -- valid -- Andaman Worm Snake
  Gerrhopilus ater (Schlegel, 1839) -- valid -- Black Blindsnake
  Gerrhopilus beddomii (Boulenger, 1890) -- valid -- Beddome's Worm Snake
  Gerrhopilus bisubocularis (Boettger, 1893) -- valid -- Western Java Worm Snake
  Gerrhopilus ceylonicus (M. A. Smith, 1943) -- valid -- Sri Lanka Worm Snake
  Gerrhopilus depressiceps (Sternfeld, 1913) -- valid -- Lowland Beaked Blindsnake
  Gerrhopilus floweri (Boulenger, 1899) -- valid -- Flower's Blind Snake, Flower's Worm Snake
  Gerrhopilus fredparkeri (Wallach, 1996) -- valid
  Gerrhopilus hades (Kraus, 2005) -- valid
  Gerrhopilus hedraeus (Savage, 1950) -- valid -- Negros Island Worm Snake
  Gerrhopilus inornatus (Boulenger, 1888) -- valid -- Montane Blindsnake
  Gerrhopilus mcdowelli (Wallach, 1996) -- valid
  Gerrhopilus mirus (Jan, 1860) -- valid -- Jan's Worm Snake
  Gerrhopilus oligolepis (Wall, 1909) -- valid -- Few-scaled Worm Snake
  Gerrhopilus tindalli (M. A. Smith, 1943) -- valid -- Nilgiri Hills Worm Snake
  Gerrhosauridae -- valid -- plated lizards
  Gerrhosaurus bulsi Laurent, 1954 -- valid -- Laurent's Plated Lizard
  Gerrhosaurus flavigularis Wiegmann, 1828 -- valid -- Yellow-throated Plated Lizard
  Gerrhosaurus major Duméril, 1851 -- invalid
  Gerrhosaurus multilineatus Bocage, 1866 -- valid -- Keeled Plated Lizard
  Gerrhosaurus nigrolineatus Hallowell, 1857 -- valid -- Black-lined Plated Lizard
  Gerrhosaurus skoogi Andersson, 1916 -- valid -- Desert Plated Lizard
  Gerrhosaurus typicus (Smith, 1837) -- valid -- Karoo Plated Lizard
  Gerrhosaurus validus Smith, 1849 -- invalid
  Glaphyromorphus clandestinus Hoskin and Couper, 2004 -- valid -- Mount Elliot Mulch-skink
  Glaphyromorphus cracens (Greer, 1985) -- valid -- Slender Mulch-skink
  Glaphyromorphus crassicaudum (A. M. C. Duméril and A. H. A. Duméril, 1851) -- valid -- Cape York Mulch-skink
  Glaphyromorphus darwiniensis (Storr, 1967) -- valid -- Northern Mulch Skink
  Glaphyromorphus darwiniensis arnhemicus (Storr, 1967) -- invalid
  Glaphyromorphus fuscicaudis (Greer, 1979) -- valid -- Brown-tailed Bar-lipped Skink, Grey-tailed Skink
  Glaphyromorphus mjobergi (Lönnberg and Andersson, 1915) -- valid -- Atherton Tableland Skink
  Glaphyromorphus nigricaudis (Macleay, 1877) -- valid -- Black-tailed Bar-lipped Skink
  Glaphyromorphus pumilus (Boulenger, 1887) -- valid -- Dwarf Mulch-skink
  Glaphyromorphus punctulatus (Peters, 1871) -- valid -- Fine-spotted Mulch-skink
  Gloydius blomhoffii (H. Boie, 1826) -- valid -- Mamushi
  Gloydius blomhoffii blomhoffii (H. Boie, 1826) -- valid
  Gloydius blomhoffii dubitatus (Gloyd, 1977) -- valid
  Gloydius brevicaudus (Stejneger, 1907) -- valid
  Gloydius brevicaudus brevicaudus (Stejneger, 1907) -- valid
  Gloydius brevicaudus siniticus (Gloyd, 1977) -- valid
  Gloydius halys (Pallas, 1776) -- valid -- Halys Pit Viper
  Gloydius halys affinis (Gray, 1849) -- valid
  Gloydius halys boehmei (Nilson, 1983) -- valid -- Böhme's Pitviper
  Gloydius halys caraganus (Eichwald, 1831) -- valid -- Karaganda Pitviper
  Gloydius halys caucasicus (Nikolsky, 1916) -- valid -- Caucasian Pitviper
  Gloydius halys cognatus (Gloyd, 1977) -- valid -- Alashan Pitviper
  Gloydius halys halys (Pallas, 1776) -- valid -- Siberian Pit Viper
  Gloydius halys mogoi (Bour, 1993) -- valid
  Gloydius halys stejnegeri (Rendahl, 1933) -- valid -- Gobi Pitviper
  Gloydius himalayanus (Günther, 1864) -- valid -- Himalayan Pitviper
  Gloydius intermedius (Strauch, 1868) -- valid -- Central Asian Pitviper
  Gloydius lijianlii Jiang and Zhao, 2009 -- valid
  Gloydius liupanensis Liu, Song and Luo, 1989 -- valid
  Gloydius monticola (Werner, 1922) -- valid -- Likiang Pitviper
  Gloydius saxatilis (Emelianov, 1937) -- valid
  Gloydius saxatilis changdaoensis Li, 1999 -- valid
  Gloydius saxatilis saxatilis (Emelianov, 1937) -- valid
  Gloydius shedaoensis (Zhao, 1979) -- valid -- Shedao Island Pitviper
  Gloydius shedaoensis qianshanensis Li, 1999 -- valid
  Gloydius shedaoensis shedaoensis (Zhao, 1979) -- valid
  Gloydius strauchi (Bedriaga, 1912) -- valid -- Strauch's Pitviper
  Gloydius tsushimaensis (Isogawa, Moriya and Mitsui, 1994) -- valid -- Tsushima Island Pitviper
  Gloydius ussuriensis (Emelianov, 1929) -- valid -- Ussuri Mamushi
  Gomesophis brasiliensis (Gomes, 1918) -- valid -- Brazilian Burrowing Snake
  Gongylomorphus bojerii (Desjardin, 1831) -- valid -- Bojer's Skink
  Gongylomorphus bojerii borbonica Vinson, 1969 -- invalid
  Gongylosoma baliodeirus (F. Boie, 1827) -- valid -- Boie's Smooth Snake, Striped Ringneck
  Gongylosoma baliodeirus baliodeirus (F. Boie, 1827) -- valid
  Gongylosoma baliodeirus cochranae (Taylor, 1962) -- valid
  Gongylosoma longicaudum (Peters, 1871) -- valid -- Long-tailed Ringneck, Peters' Smooth Snake
  Gongylosoma mukutense Grismer, Das and Leong, 2003 -- valid -- Mukut Smooth Snake
  Gongylosoma nicobariensis (Stoliczka, 1870) -- valid
  Gongylosoma scriptum (Theobald, 1868) -- valid -- Common Ringneck
  Gonionotophis brussauxi (Mocquard, 1889) -- valid -- Mocquard's African Ground Snake
  Gonionotophis brussauxi brussauxi (Mocquard, 1889) -- valid
  Gonionotophis brussauxi prigoginei Laurent, 1956 -- valid
  Gonionotophis capensis (A. Smith, 1847) -- valid -- Cape File Snake
  Gonionotophis crossi (Boulenger, 1895) -- valid -- African File Snake, Crosse's File Snake
  Gonionotophis egbensis (Dunger, 1966) -- valid -- Dunger's File Snake
  Gonionotophis gabouensis (Trape and Mané, 2005) -- valid -- Gabou File Snake
  Gonionotophis grantii (Günther, 1863) -- valid -- Savanna Lesser File Snake
  Gonionotophis guirali (Mocquard, 1887) -- valid -- Mocquard's File Snake
  Gonionotophis klingi Matschie, 1893 -- valid -- Matschie's African Ground Snake
  Gonionotophis laurenti (de Witte, 1959) -- valid
  Gonionotophis nyassae (Günther, 1888) -- valid -- Black File Snake, Dwarf File Snake
  Gonionotophis poensis (A. Smith, 1849) -- valid -- Western Forest File Snake
  Gonionotophis savorgnani (Mocquard, 1887) -- valid -- Congo File Snake
  Gonionotophis stenophthalmus (Mocquard, 1887) -- valid -- Small-eyed File Snake
  Gonionotophis vernayi (Bogert, 1940) -- valid -- Angola File Snake
  Gonyophis margaritatus (Peters, 1871) -- invalid
  Gonyosoma jansenii (Bleeker, 1859) -- valid -- Celebes Black-tailed Ratsnake
  Gonyosoma oxycephalum (F. Boie, 1827) -- valid -- Red-tailed Green Ratsnake
  Graciliscincus shonae Sadlier, 1987 -- valid -- Sadlier's Skink
  Grayia caesar (Günther, 1863) -- valid -- Caesar's African Water Snake
  Grayia ornata (Bocage, 1866) -- valid -- Ornate African Water Snake
  Grayia smithii (Leach, 1818) -- valid -- Smith's African Water Snake
  Grayia tholloni Mocquard, 1897 -- valid -- Tholloni's African Water Snake
  Gyalopion canum (Cope, 1860) -- valid -- Chihuahuan Hook-nosed Snake, Culebra-nariz ganchuda de Chihuahua, Western Hook-nosed Snake, Western Hooknose Snake
  Gyalopion quadrangulare (Günther, 1893) -- valid -- Culebra-nariz ganchuda de desierto, Desert Hooknose Snake, Thornscrub Hook-nosed Snake, Thornscrub Hooknose Snake
  Gymnophthalmidae Fitzinger, 1826 -- valid -- Spectacled Lizards
  Gymnophthalmus cryptus Hoogmoed, Cole and Ayarzaguena, 1992 -- valid -- Cryptic Spectacled Tegu
  Gymnophthalmus leucomystax Vanzolini and Carvalho, 1991 -- valid -- White Spectacied Tegu
  Gymnophthalmus lineatus (Linnaeus, 1758) -- valid
  Gymnophthalmus pleii Bocourt, 1881 -- valid -- Rough-scaled Tegulet
  Gymnophthalmus pleii luetkeni Bocourt, 1881 -- valid
  Gymnophthalmus pleii nesydrion Thomas, 1965 -- valid
  Gymnophthalmus pleii pleii Bocourt, 1881 -- valid
  Gymnophthalmus speciosus (Hallowell, 1861) -- valid -- Golden Spectacled Lizard, Golden Spectacled Tegu, Golden Tegulet, Lagartija Dorada, Lagartija-anteojada dorada
  Gymnophthalmus speciosus birdi Stuart, 1939 -- valid
  Gymnophthalmus speciosus speciosus (Hallowell, 1861) -- valid
  Gymnophthalmus speciosus sumichrasti (Cope, 1876) -- valid -- Lagartija de Sumichrast, Sumichrast's Golden Spectacled Lizard
  Gymnophthalmus underwoodi Grant, 1958 -- valid -- Smooth-scaled Tegulet, Underwood's Spectacled Tegu, Underwood's Spectaded Tegu
  Gymnophthalmus vanzoi Carvalho, 1999 -- valid
  Haackgreerius miopus (Greer and Haacke, 1982) -- valid -- Haacke-Greer's Skink
  Haitiophis anomalus (Peters, 1863) -- valid -- Hispaniola Racer
  Hakaria simonyi (Steindachner, 1899) -- valid
  Haldea Baird and Girard, 1853 -- valid
  Haldea striatula (Linnaeus, 1766) -- valid -- Rough Earth Snake, Rough Earthsnake
  Hapsidophrys lineatus Fischer, 1856 -- valid -- Black-lined Green Snake
  Hapsidophrys principis (Boulenger, 1906) -- valid
  Harrisoniascincus zia (Ingram and Ehmann, 1981) -- valid -- Beech Skink, Rainforest Cool-skink
  Hebius Thompson, 1913 -- valid
  Hebius andreae (Ziegler and Quyet, 2006) -- valid -- Andrea's Keelback
  Hebius arquus (David and Vogel, 2010) -- valid
  Hebius atemporale (Bourret, 1934) -- valid -- Tonkin Keelback
  Hebius beddomei (Günther, 1864) -- valid -- Beddome's Keelback, Nilgiri Keelback
  Hebius bitaeniatum (Wall, 1925) -- valid -- Kutkai Keelback
  Hebius boulengeri (Gressitt, 1937) -- valid -- Boulenger's Keelback, Tai-yong Keelback
  Hebius celebicum (W. C. H. Peters and Doria, 1878) -- valid -- Sulawesi Keelback
  Hebius clerki (Wall, 1925) -- valid -- Yunnan Keelback
  Hebius concelarum (Malnate, 1963) -- valid
  Hebius craspedogaster (Boulenger, 1899) -- valid -- Kuatun Keelback
  Hebius deschauenseei (Taylor, 1934) -- valid -- Deschauensee's Keelback, Northern Keelback
  Hebius flavifrons (Boulenger, 1887) -- valid -- Sabah Keelback
  Hebius frenatum (Dunn, 1923) -- valid
  Hebius groundwateri (M. A. Smith, 1922) -- valid -- Groundwater's Keelback
  Hebius inas (Laidlaw, 1901) -- valid -- Malayan Mountain Keelback
  Hebius ishigakiense (Malnate and Munsterman, 1960) -- valid -- Yaeyama Keelback
  Hebius johannis (Boulenger, 1908) -- valid -- Johann's Keelback
  Hebius kerinciense (David and Das, 2003) -- valid
  Hebius khasiense (Boulenger, 1890) -- valid -- Khasi Hills Keelback, Khasi Keelback
  Hebius leucomystax (David, Bain, T. Q. Nguyen, Orlov, Vogel, T. N. Vu and Ziegler, 2007) -- valid -- White-lipped Keelback
  Hebius metusium (Inger, Zhao, Shaffer and Wu, 1990) -- valid -- Wa Shan Keelback
  Hebius miyajimae (Maki, 1931) -- valid -- Maki's Keelback
  Hebius modestum (Günther, 1875) -- valid -- Modest Keelback
  Hebius monticola (Jerdon, 1853) -- valid -- Wynad Keelback
  Hebius nicobariense (Sclater, 1891) -- valid -- Nicobar Island Keelback
  Hebius octolineatum (Boulenger, 1904) -- valid -- Eight-lined Keelback
  Hebius optatum (Hu and Zhao, 1966) -- valid -- Mount Omei Keelback
  Hebius parallelum (Boulenger, 1890) -- valid -- Yunnan Keelback
  Hebius pealii (Sclater, 1891) -- valid -- Assam Keelback
  Hebius petersii (Boulenger, 1893) -- valid -- Peters' Keelback
  Hebius popei (Schmidt, 1925) -- valid -- Pope's Keelback
  Hebius pryeri (Boulenger, 1887) -- valid -- Pryer's Keelback
  Hebius sanguineum (Smedley, 1931) -- valid -- Cameron Highlands Keelback
  Hebius sarasinorum (Boulenger, 1896) -- valid -- Sarasin's Keelback
  Hebius sarawacense (Günther, 1872) -- valid -- Sarawak Keelback
  Hebius sauteri (Boulenger, 1909) -- valid -- Kosempo Keelback
  Hebius taronense (M. A. Smith, 1940) -- valid -- Kachin Keelback
  Hebius venningi (Wall, 1910) -- valid -- Chin Hills Keelback
  Hebius vibakari (H. Boie, 1826) -- valid -- Japanese Keelback
  Hebius vibakari danjoensis (Toriba, 1986) -- valid
  Hebius vibakari ruthveni (Van Denburgh, 1923) -- valid
  Hebius vibakari vibakari (H. Boie, 1826) -- valid
  Hebius viperinum (Schenkel, 1901) -- valid
  Hebius xenura (Wall, 1907) -- valid -- Wall's Keelback
  Helicops alleni Garman, 1874 -- invalid
  Helicops angulatus (Linnaeus, 1758) -- valid -- Brown-banded Watersnake, Mountain Keelback
  Helicops apiaka Kawashita-Ribeiro, Ávila and Morais, 2013 -- valid
  Helicops bangweolicus Mertens, 1936 -- invalid
  Helicops carinicaudus (Wied-Neuwied, 1825) -- valid -- Wied's Keelback
  Helicops carinicaudus carinicaudus (Wied-Neuwied, 1825) -- valid
  Helicops carinicaudus triserialis Lindholm in Lampe and Lindholm, 1902 -- valid
  Helicops danieli Amaral, 1938 -- valid -- Daniel's Keelback
  Helicops gomesi Amaral, 1921 -- valid -- Sao Paulo Keelback
  Helicops hagmanni Roux, 1910 -- valid -- Hagmann's Keelback
  Helicops infrataeniatus Jan, 1865 -- valid
  Helicops leopardinus (Schlegel, 1837) -- valid -- Leopard Keelback
  Helicops modestus Günther, 1861 -- valid -- Olive Keelback
  Helicops pastazae Shreve, 1934 -- valid -- Shreve's Keelback
  Helicops petersi Rossman, 1976 -- valid -- Spiral Keelback
  Helicops polylepis Günther, 1861 -- valid -- Norman's Keelback
  Helicops scalaris Jan, 1865 -- valid -- Hoge's Keelback, Ladder Keelback
  Helicops tapajonicus Da Frota, 2005 -- valid
  Helicops trivittatus (Gray, 1849) -- valid -- Equatorial Keelback
  Helicops yacu Rossman and Dixon, 1975 -- valid -- Peru Keelback
  Helicopsoides typicus Mocquard, 1890 -- invalid
  Heliobolus lugubris (Smith, 1838) -- valid -- Black and Yellow Sand Lizard, Bushveld Lizard, Mourning Racerunner
  Heliobolus neumanni (Tornier, 1905) -- valid -- Neumann's Sand Lizard
  Heliobolus nitidus (Günther, 1872) -- valid -- Glittering Sand Lizard
  Heliobolus nitidus garambensis (Schmidt, 1919) -- valid
  Heliobolus nitidus nitidus (Günther, 1872) -- valid
  Heliobolus nitidus quadrinasalis (Chabanaud, 1918) -- valid
  Heliobolus spekii (Günther, 1872) -- valid -- Speke's Sand Lizard
  Heliobolus spekii scorteccii (Arillo, Balletto and Spanò, 1965) -- valid
  Heliobolus spekii sextaeniata (Stejneger, 1894) -- valid
  Heliobolus spekii spekii (Günther, 1872) -- valid
  Hellenolacerta graeca (Bedriaga, 1886) -- valid -- Greek Rock Lizard
  Helophis de Witte and Laurent, 1942 -- valid
  Helophis schoutedeni (de Witte, 1942) -- valid -- Schouteden's Sun Snake
  Hemerophis socotrae (Günther, 1881) -- valid -- Socotran Racer
  Hemicordylus capensis (Smith, 1838) -- valid -- Cape Cliff Lizard, Graceful Crag Lizard
  Hemicordylus nebulosus (Mouton and Van Wyk, 1995) -- valid -- Cloudy Crag Lizard, Dark Crag Lizard, Dwarf Cliff Lizard, Dwarf Crag Lizard
  Hemiergis decresiensis (Cuvier, 1829) -- valid -- Three-toed Earless Skink
  Hemiergis decresiensis continentis Copland, 1946 -- valid
  Hemiergis decresiensis decresiensis (Cuvier, 1829) -- valid
  Hemiergis gracilipes (Steindachner, 1870) -- valid -- South-western Mulch-skink
  Hemiergis initialis (Werner, 1910) -- valid -- Southwestern Earless Skink
  Hemiergis initialis brookeri Storr, 1975 -- valid
  Hemiergis initialis initialis (Werner, 1910) -- valid
  Hemiergis millewae Coventry, 1976 -- valid -- Triodia Earless Skink
  Hemiergis peronii (Gray, 1831) -- valid -- Lowlands Earless Skink
  Hemiergis quadrilineatus (A. M. C. Duméril and Bibron, 1839) -- valid -- Two-toed Earless Skink
  Hemiergis talbingoensis Copland, 1946 -- valid -- Victoria Three-toed Earless Skink
  Hemirhagerrhis hildebrandtii (Peters, 1878) -- valid -- Kenyan Bark Snake, Northern Bark Snake
  Hemirhagerrhis kelleri Boettger, 1893 -- valid -- Keller's Bark Snake, Striped Bark Snake
  Hemirhagerrhis nototaenia (Günther, 1864) -- valid -- Eastern Bark Snake, Mopane Snake, Southeastern Bark Snake
  Hemirhagerrhis viperina (Bocage, 1873) -- valid -- Western Bark Snake
  Hemisphaeriodon gerrardii (Gray, 1845) -- invalid
  Hemorrhois algirus (Jan, 1863) -- valid -- Algerian Whip Snake
  Hemorrhois algirus algirus (Jan, 1863) -- valid
  Hemorrhois algirus intermedius (Werner, 1929) -- valid
  Hemorrhois hippocrepis (Linnaeus, 1758) -- valid -- Horseshoe Snake, Horseshoe Whip Snake
  Hemorrhois hippocrepis hippocrepis (Linnaeus, 1758) -- valid
  Hemorrhois hippocrepis nigrescens (Cattaneo, 1985) -- valid
  Hemorrhois nummifer (Reuss, 1834) -- valid -- Asian Racer, Coin-Marked Snake
  Hemorrhois ravergieri (Ménétries, 1832) -- valid -- Spotted Whip Snake
  Hemorrhois ravergieri cernovi (Mertens, 1952) -- valid
  Hemorrhois ravergieri ravergieri (Ménétries, 1832) -- valid
  Herpetoreas Günther, 1860 -- valid
  Herpetoreas burbrinki Guo, Zhu, Liu, Zhang, Li, Huang and Pyron, 2014 -- valid -- Burbrink's Keelback
  Herpetoreas platyceps (Blyth, 1854) -- valid -- Himalayan Keelback
  Herpetoreas sieboldii Günther, 1860 -- valid -- Siebold's Keelback, Sikkim Keelback
  Heterodactylus imbricatus Spix, 1825 -- valid -- Rio de Janeiro Teiid
  Heterodactylus lundii Reinhardt and Lütken, 1862 -- valid -- Lund's Teiid
  Heterodactylus septentrionalis Rodrigues, de Freitas and Silva, 2009 -- valid
  Heterodon gloydi Edgren, 1952 -- valid -- Dusty Hog-nosed Snake, Dusty Hognose Snake
  Heterodon kennerlyi Kennicott, 1860 -- valid -- Mexican Hog-nose Snake, Mexican Hog-nosed Snake
  Heterodon nasicus Baird and Girard, 1852 -- valid -- Culebra-nariz de cerdo occidental, Plains Hog-nosed Snake, Plains Hognose Snake, Western Hog-nosed Snake, Western Hognose Snake
  Heterodon platirhinos Latreille, 1801 -- valid -- Eastern Hog-nosed Snake, Eastern Hognose Snake
  Heterodon simus (Linnaeus, 1766) -- valid -- Southern Hog-nosed Snake, Southern Hognose Snake
  Heteroliodon fohy Glaw, Vences and Nussbaum, 2005 -- valid
  Heteroliodon lava Nussbaum and Raxworthy, 2000 -- valid
  Heteroliodon occipitalis (Boulenger, 1896) -- valid
  Hierophis andreanus (Werner, 1917) -- valid -- Andreas' Racer
  Hierophis cypriensis (Schätti, 1985) -- invalid
  Hierophis gemonensis (Laurenti, 1768) -- valid -- Balkan Racer, Balkan Whip Snake
  Hierophis spinalis (Peters, 1866) -- invalid
  Hierophis viridiflavus (Lacépède, 1789) -- valid -- Dark Green Snake, Green Whip Snake, Western Whip Snake
  Hierophis viridiflavus carbonarius (Bonaparte, 1833) -- valid
  Hierophis viridiflavus viridiflavus (Lacépède, 1789) -- valid
  Holaspis guentheri Gray, 1863 -- valid -- Sawtail Lizard
  Holaspis laevis Werner, 1896 -- valid -- Eastern Serrate-toed Tree Lizard
  Holcosus anomalus (Echternacht, 1977) -- valid -- Echternacht's Ameiva
  Holcosus bridgesii Cope, 1869 -- valid -- Bridges' Ameiva
  Holcosus chaitzami (Stuart, 1942) -- valid -- Ameiva de Chaitzam, Chaitzam's Ameiva
  Holcosus festivus (Lichtenstein and Martens in Lichtenstein, 1856) -- valid -- Ameiva centroamericana, Ameiva Festiva, Middle American Ameiva
  Holcosus festivus edwardsii (Bocourt, 1873) -- valid -- Edward's Middle American Ameiva, Lagartija Parda
  Holcosus festivus festivus (Lichtenstein and Martens in Lichtenstein, 1856) -- valid
  Holcosus festivus occidentalis Taylor, 1956 -- valid
  Holcosus leptophrys (Cope, 1893) -- valid -- Delicate Ameiva
  Holcosus niceforoi (Dunn, 1943) -- valid
  Holcosus orcesi (Peters, 1964) -- valid -- Peters' Ameiva
  Holcosus quadrilineatus (Hallowell, 1861) -- valid -- Four-lined Ameiva
  Holcosus septemlineatus (Duméril, 1851) -- valid -- Seven-lined Ameiva
  Holcosus undulatus (Wiegmann, 1834) -- valid -- Ameiva metálica o arcoiris, Lagartija Metálica, Rainbow Ameiva
  Holcosus undulatus amphigrammus (H. Smith and Laufe, 1945) -- invalid
  Holcosus undulatus dextrus (H. Smith and Laufe, 1946) -- valid
  Holcosus undulatus gaigeae (H. Smith and Laufe, 1946) -- invalid
  Holcosus undulatus hartwegi (H. Smith, 1940) -- invalid
  Holcosus undulatus miadis (Barbour and Loveridge, 1929) -- valid
  Holcosus undulatus parvus (Barbour and Noble, 1915) -- invalid
  Holcosus undulatus podarga (H. Smith and Laufe, 1946) -- invalid
  Holcosus undulatus pulcher (Hallowell, 1861) -- invalid
  Holcosus undulatus sinistra (H. Smith and Laufe, 1946) -- invalid
  Holcosus undulatus stuarti (H. Smith, 1940) -- invalid
  Holcosus undulatus thomasi (H. Smith and Laufe, 1946) -- invalid
  Holcosus undulatus undulatus (Wiegmann, 1834) -- valid
  Hologerrhum Günther, 1858 -- valid
  Hologerrhum dermali Brown, Leviton, Ferner and Sison, 2001 -- valid
  Hologerrhum philippinum Günther, 1858 -- valid -- Philippine Stripe-lipped Snake
  Hormonotus modestus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Uganda House Snake, Yellow Forest Snake
  Hydrablabes Boulenger, 1891 -- valid
  Hydrablabes periops (Günther, 1872) -- valid -- Olive Small-eyed Snake
  Hydrablabes praefrontalis (Mocquard, 1890) -- valid -- Mocquard's Small-eyed Snake
  Hydraethiops Günther, 1872 -- valid
  Hydraethiops laevis Boulenger, 1904 -- valid
  Hydraethiops melanogaster Günther, 1872 -- valid -- Blackbelly Snake
  Hydrodynastes bicinctus (Hermann, 1804) -- valid -- Herrmann's Water Snake
  Hydrodynastes bicinctus bicinctus (Hermann, 1804) -- valid
  Hydrodynastes bicinctus schultzi Hoge, 1966 -- valid
  Hydrodynastes gigas (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- False Water Cobra
  Hydrodynastes melanogigas Franco, Fernandes and Bentim, 2007 -- valid
  Hydromorphus concolor Peters, 1859 -- valid -- Costa Rica Water Snake
  Hydromorphus dunni Slevin, 1942 -- valid -- Dunn's Water Snake
  Hydrops caesurus Scrocchi, Ferreira, Giraudo, Avila and Motte, 2005 -- valid
  Hydrops martii (Wagler, 1824) -- valid -- Amazon Water Snake
  Hydrops triangularis (Wagler, 1824) -- valid -- Triangle Water Snake
  Hydrus piscator Schneider, 1799 -- invalid
  Hypnale hypnale (Merrem, 1820) -- valid -- Hump-nosed Moccasin
  Hypnale nepa (Laurenti, 1768) -- valid -- Sri Lanka Humpnose Viper
  Hypnale zara (Gray, 1849) -- valid
  Hypoptophis wilsonii Boulenger, 1908 -- valid -- African Bighead Snake, Wedge-Snouted Burrowing Snake
  Hypsiglena affinis Boulenger, 1894 -- valid -- Rio Grande de Santiago Nightsnake
  Hypsiglena chlorophaea Cope, 1860 -- valid -- Desert Nightsnake, Sonoran Nightsnake
  Hypsiglena chlorophaea catalinae Tanner, 1966 -- invalid -- Isla Santa Catalina Nightsnake
  Hypsiglena chlorophaea chlorophaea Cope, 1860 -- valid -- Sonoran Nightsnake
  Hypsiglena chlorophaea deserticola Tanner, 1946 -- valid -- Great Basin Nightsnake, Northern Desert Nightsnake
  Hypsiglena chlorophaea loreala Tanner, 1946 -- valid -- Mesa Verde Night Snake, Mesa Verde Nightsnake
  Hypsiglena chlorophaea tiburonensis Tanner, 1981 -- valid -- Isla Tiburon Nightsnake
  Hypsiglena jani (Dugès, 1865) -- valid -- Chihuahuan Nightsnake, San Luis Potosi Nightsnake
  Hypsiglena jani dunklei Taylor, 1939 -- valid -- Tamaulipas Nightsnake
  Hypsiglena jani jani (Dugès, 1865) -- valid -- San Luis Potosi Nightsnake
  Hypsiglena jani texana Stejneger, 1893 -- valid -- Texas Night Snake, Texas Nightsnake
  Hypsiglena ochrorhyncha Cope, 1860 -- invalid -- Coast Nightsnake
  Hypsiglena ochrorhyncha unaocularis Tanner, 1946 -- invalid -- Islas Revillagigedo Nightsnake
  Hypsiglena ochrorhynchus baueri Zweifel, 1958 -- valid -- Isla Cedros Nightsnake
  Hypsiglena ochrorhynchus gularis Tanner, 1954 -- valid -- Isla Partida Norte Nightsnake
  Hypsiglena ochrorhynchus martinensis Tanner and Banta, 1962 -- valid -- Isla San Martin Nightsnake
  Hypsiglena ochrorhynchus nuchalata Tanner, 1943 -- valid -- California Night Snake, California Nightsnake
  Hypsiglena ochrorhynchus ochrorhynchus Cope, 1860 -- valid -- Cape Nightsnake, Spotted Night Snake
  Hypsiglena ochrorhynchus tortugaensis Tanner, 1946 -- valid -- Isla Tortuga Nightsnake
  Hypsiglena ochrorhynchus venusta Mocquard, 1899 -- valid -- Magdalena Nightsnake
  Hypsiglena slevini Tanner, 1943 -- valid -- Baja California Night Snake, Baja California Nightsnake, Culebra-nocturna de Baja California
  Hypsiglena slevini marcosensis Ottley and Tanner, 1978 -- valid
  Hypsiglena slevini slevini Tanner, 1943 -- valid
  Hypsiglena tanzeri Dixon and Lieb, 1972 -- valid -- Rio Verde Nightsnake, Tanzer's Night Snake
  Hypsiglena torquata (Günther, 1860) -- valid -- Culebra-nocturna ojo de gato, Night Snake, Nightsnake, Sinaloan Nightsnake
  Hypsiglena torquata torquata (Günther, 1860) -- invalid
  Hypsiglena torquata tortugaensis Tanner, 1946 -- invalid
  Hypsirhynchus ater (Gosse, 1851) -- valid -- Jamaica Racer
  Hypsirhynchus callilaemus (Gosse, 1851) -- valid -- Jamaican Red Groundsnake
  Hypsirhynchus ferox Günther, 1858 -- valid -- Hispaniola Cat-eyed Snake
  Hypsirhynchus ferox exedrus Schwartz, 1971 -- valid
  Hypsirhynchus ferox ferox Günther, 1858 -- valid
  Hypsirhynchus ferox paracrousis Schwartz, 1971 -- valid
  Hypsirhynchus funereus (Cope, 1862) -- valid -- Jamaican Black Groundsnake
  Hypsirhynchus melanichnus (Cope, 1862) -- valid -- La Vega Racer
  Hypsirhynchus parvifrons (Cope, 1862) -- valid -- Cope's Antilles Snake, Hispaniolan Black Racer
  Hypsirhynchus parvifrons alleni (Dunn, 1920) -- valid
  Hypsirhynchus parvifrons lincolni (Cochran, 1941) -- valid
  Hypsirhynchus parvifrons niger (Dunn, 1920) -- valid
  Hypsirhynchus parvifrons paraniger (Thomas And Schwartz, 1965) -- valid
  Hypsirhynchus parvifrons parvifrons (Cope, 1862) -- valid
  Hypsirhynchus parvifrons protenus (Jan, 1867) -- valid
  Hypsirhynchus parvifrons rosamondae (Cochran, 1934) -- valid
  Hypsirhynchus parvifrons stygius (Thomas And Schwartz, 1965) -- valid
  Hypsirhynchus parvifrons tortuganus (Dunn, 1920) -- valid
  Hypsirhynchus polylepis (Buden, 1966) -- valid -- Jamaican Long-tailed Groundsnake
  Hypsirhynchus scalaris Cope, 1863 -- valid -- Tiburon Hognosed Racer
  Ialtris agyrtes Schwartz and Rossman, 1976 -- valid -- Barreras Fanged Snake
  Ialtris dorsalis (Günther, 1858) -- valid -- Brown Fanged Snake
  Ialtris haetianus (Cochran, 1935) -- valid -- Haitian Ground Snake
  Ialtris haetianus haetianus (Cochran, 1935) -- valid
  Ialtris haetianus perfector (Schwartz and Thomas, 1965) -- valid
  Ialtris haetianus vaticinata (Schwartz, 1970) -- valid
  Ialtris parishi Cochran, 1932 -- valid -- Parish's Fanged Snake
  Iberolacerta aranica (Arribas, 1993) -- valid -- Aran Rock Lizard
  Iberolacerta aurelioi (Arribas, 1994) -- valid -- Aurelio's Rock Lizard
  Iberolacerta bonnali (Lantz, 1927) -- valid -- Pyrenean Rock Lizard
  Iberolacerta cyreni (Müller and Hellmich, 1937) -- valid -- Cyren's Rock Lizard
  Iberolacerta cyreni castilliana (Arribas, 1996) -- valid
  Iberolacerta cyreni cyreni (Müller and Hellmich, 1937) -- valid
  Iberolacerta galani Arribas, Carranza and Odierna, 2006 -- valid -- Galan's Rock Lizard
  Iberolacerta horvathi (Méhely, 1904) -- valid -- Horvath's Rock Lizard
  Iberolacerta martinezricai (Arribas, 1996) -- valid -- Martinez-Rica's Rock Lizard
  Iberolacerta monticola (Boulenger, 1905) -- valid -- Iberian Mountain Lizard
  Iberolacerta monticola cantabrica (Mertens, 1929) -- valid
  Iberolacerta monticola monticola (Boulenger, 1905) -- valid
  Ichnotropis bivittata Bocage, 1866 -- valid -- Angolan Rough-scaled Lizard
  Ichnotropis bivittata bivittata Bocage, 1866 -- valid
  Ichnotropis bivittata pallida Laurent, 1964 -- valid
  Ichnotropis capensis (Smith, 1838) -- valid -- Cape Rough-scaled Lizard, Ornate Rough-scaled Lizard, Smith's Rough-scaled Sand Lizard
  Ichnotropis capensis capensis (A. Smith, 1838) -- valid
  Ichnotropis capensis nigrescens Laurent, 1952 -- valid
  Ichnotropis chapini Schmidt, 1919 -- valid
  Ichnotropis grandiceps Broadley, 1967 -- valid -- Caprivi Rough-scaled Lizard
  Ichnotropis microlepidota Marx, 1956 -- valid -- Marx's Rough-scaled Lizard
  Ichnotropis tanganicana Boulenger, 1917 -- valid -- Tanzanian Rough-scaled Lizard
  Iguanognathus Boulenger, 1898 -- valid
  Iguanognathus werneri Boulenger, 1898 -- valid -- Spatula-tooth Snake
  Imantodes cenchoa (Linnaeus, 1758) -- valid -- Blunt-headed Treesnake, Blunthead Tree Snake, Blunthead Treesnake, Culebra-cordelilla chata, Fiddle-string Snake
  Imantodes cenchoa cenchoa (Linnaeus, 1758) -- invalid -- Fiddle-string Snake
  Imantodes cenchoa leucomelas (Cope, 1861) -- invalid
  Imantodes cenchoa semifasciatus (Cope, 1894) -- invalid
  Imantodes chocoensis Torres-Carvajal, Yánez-Muñoz, Quirola, E. N. Smith and Almendáriz, 2012 -- valid -- Chocoan Blunt-headed Vine Snake
  Imantodes gemmistratus (Cope, 1861) -- valid -- Central American Tree Snake, Culebra-cordelilla centroamericana
  Imantodes gemmistratus gemmistratus (Cope, 1861) -- valid