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Expert: Peter Uetz

ITIS records citing expert
 
 Kingdom Animalia
  Acrantophis dumerili Jan in Jan and Sordelli, 1860 -- valid
  Acrantophis madagascariensis (Duméril and Bibron, 1844) -- valid
  Agkistrodon bilineatus Günther, 1863 -- valid -- Cantil enjaquimado, Mexican Moccasin
  Agkistrodon contortrix (Linnaeus, 1766) -- valid -- Cantil cobrizo, Copperhead
  Agkistrodon contortrix contortrix (Linnaeus, 1766) -- valid -- Southern Copperhead
  Agkistrodon contortrix laticinctus Gloyd and Conant, 1934 -- valid -- 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
  Agkistrodon piscivorus conanti Gloyd, 1969 -- valid -- Florida Cottonmouth
  Agkistrodon piscivorus leucostoma (Troost, 1836) -- valid -- Western Cottonmouth
  Agkistrodon piscivorus piscivorus (Lacépède, 1789) -- valid -- Eastern Cottonmouth
  Agkistrodon russeolus Gloyd, 1972 -- valid -- Cantil, Mexican Moccasin
  Agkistrodon taylori Burger and Robertson, 1951 -- valid -- Mexican Moccasin
  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
  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
  Azemiops feae Boulenger, 1888 -- valid -- Black-headed Burmese Viper, Fea Viper
  Azemiops kharini Orlov, Ryabov and Nguyen, 2013 -- valid -- White-headed Burmese Viper, White-headed Fea Viper
  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
  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
  Boidae Gray, 1825 -- valid -- Boas, Boids
  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
  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
  Calabaria reinhardtii (Schlegel, 1848) -- valid
  Calloselasma rhodostoma (Kuhl, 1824) -- valid -- Malayan Pit Viper
  Calloselasma rhodostoma annamensis (Angel, 1933) -- valid
  Calloselasma rhodostoma rhodostoma (Kuhl, 1824) -- valid
  Candoia aspera (Günther, 1877) -- valid
  Candoia aspera aspera (Günther, 1877) -- valid
  Candoia aspera schmidti (Stull, 1932) -- valid
  Candoia bibroni (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 (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 Smith, Chiszar, Tepedelen and van Breukelen, 2001 -- valid
  Candoia paulsoni (Stull, 1956) -- valid
  Candoia paulsoni mcdowelli Smith and Chiszar, 2001 -- valid
  Candoia paulsoni paulsoni (Stull, 1956) -- valid
  Candoia paulsoni rosadoi Smith and Chiszar, 2001 -- valid
  Candoia paulsoni sadlieri Smith and Chiszar, 2001 -- valid
  Candoia paulsoni tasmai Smith and Tepedelen, 2001 -- valid
  Candoia paulsoni vindumi Smith and Chiszar, 2001 -- valid
  Candoia superciliosa (Günther, 1863) -- valid -- Palau Bevel-nosed Boa
  Candoia superciliosa crombiei Smith, Chiszar, Tepedelen and van Breukelen, 2001 -- valid
  Candoia superciliosa superciliosa (Günther, 1863) -- valid
  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
  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 Anderson, 1967 -- valid
  Cerastes gasperettii gasperettii Leviton and Anderson, 1967 -- valid
  Cerastes gasperettii mendelssohni Werner, Sivan, Kushnir and Motro in Joger, 1999 -- valid
  Cerastes vipera (Linnaeus, 1758) -- valid -- Sahara Sand Viper
  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
  Charina bottae (Blainville, 1835) -- valid -- Rubber Boa
  Charina umbratica Klauber, 1943 -- valid -- Southern Rubber Boa
  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
  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
  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 -- 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
  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
  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, 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
  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 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 Ridgenose Rattlesnake
  Crotalus willardi silus Klauber, 1949 -- valid -- Western Chihuahuan Ridge-nosed Rattlesnake
  Crotalus willardi willardi Meek, 1905 -- valid -- Arizona Ridgenose Rattlesnake
  Daboia deserti (J. 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
  Deinagkistrodon acutus (Günther, 1888) -- valid -- Chinese Moccasin, Five-pacer Viper, Hundred-pace Viper
  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
  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
  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 -- valid
  Eryx jaculus jaculus (Linnaeus, 1758) -- valid
  Eryx jaculus turcicus (Olivier, 1801) -- valid
  Eryx jayakari Boulenger, 1888 -- valid
  Eryx johnii (Russell, 1801) -- valid
  Eryx johnii johnii (Russell, 1801) -- valid
  Eryx johnii persicus Nikolsky, 1907 -- valid
  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
  Eunectes beniensis Dirksen, 2002 -- valid
  Eunectes deschauenseei Dunn and Conant, 1936 -- valid
  Eunectes murinus (Linnaeus, 1758) -- valid
  Eunectes notaeus Cope, 1862 -- valid
  Exiliboa placata Bogert, 1968 -- valid -- Boa-enana oaxaqueña
  Garthius chaseni (M. A. Smith, 1931) -- valid -- Chasen's Mountain Pitviper, Mount Kinabalu Pit Viper
  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
  Hypnale hypnale (Merrem, 1820) -- valid -- Hump-nosed Moccasin
  Hypnale nepa (Laurenti, 1768) -- valid -- Sri Lanka Humpnose Viper
  Hypnale zara (Gray, 1849) -- valid
  Lachesis acrochorda (Garcia, 1896) -- valid
  Lachesis melanocephala Solórzano and Cerdas, 1986 -- valid -- Black-headed Bushmaster
  Lachesis muta (Linnaeus, 1766) -- valid -- Bushmaster, South American Bushmaster
  Lachesis stenophrys Cope, 1876 -- valid -- Central American Bushmaster
  Lichanura orcutti Stejneger, 1889 -- valid
  Lichanura trivirgata Cope, 1861 -- valid -- Boa solocuate, Rosy Boa
  Macrovipera lebetina (Linnaeus, 1758) -- valid -- Levantine Viper
  Macrovipera lebetina chernovi (Chikin and Szczerbak, 1992) -- valid
  Macrovipera lebetina lebetina (Linnaeus, 1758) -- valid
  Macrovipera lebetina obtusa (Dwigubsky, 1832) -- valid
  Macrovipera lebetina transmediterranea (Nilson and Andrén, 1988) -- valid
  Macrovipera lebetina turanica (Chernov, 1940) -- valid
  Macrovipera schweizeri (Werner, 1935) -- valid
  Mixcoatlus barbouri (Dunn, 1919) -- valid -- Barbour's Montane Pitviper, Nauyaca-de montaña guerrerense
  Mixcoatlus browni (Shreve, 1938) -- valid -- Brown's Montane Pitviper
  Mixcoatlus melanurus (Müller, 1924) -- valid -- Black-tailed Horned Pitviper, Nauyaca-nariz de cerdo cornuda
  Montatheris hindii (Boulenger, 1910) -- valid -- Kenya Montane Viper
  Montivipera albizona (Nilson, Andrén and Flärdh, 1990) -- valid
  Montivipera bornmuelleri (Werner, 1898) -- valid -- Lebanon Viper
  Montivipera kuhrangica Rajabizadeh, Nilson and Kami, 2011 -- valid -- Kuhrang Mountain Viper
  Montivipera latifii (Mertens, Darewsky and Klemmer, 1967) -- valid -- Lar Valley Viper
  Montivipera raddei (Boettger, 1890) -- valid -- Caucasus Viper
  Montivipera raddei kurdistanica (Nilson and Andrén, 1986) -- valid
  Montivipera raddei raddei (Boettger, 1890) -- valid
  Montivipera wagneri (Nilson and Andrén, 1984) -- valid -- Wagner's Viper
  Montivipera xanthina (Gray, 1849) -- valid -- Coastal Viper, Ottoman Viper
  Ophryacus undulatus (Jan, 1859) -- valid -- Mexican Horned Pit Viper, Slender-horned Pitviper
  Ovophis convictus (Stoliczka, 1870) -- valid -- Indo-Malayan Mountain Pitviper
  Ovophis monticola (Günther, 1864) -- valid -- Chinese Mountain Pit Viper
  Ovophis monticola makazayazaya (Takahashi, 1922) -- invalid
  Ovophis monticola monticola (Günther, 1864) -- invalid
  Ovophis monticola zhaokentangi Zhao, 1995 -- invalid
  Ovophis okinavensis (Boulenger, 1892) -- valid -- Okinawa Pitviper, Ryukyu Island Pit Viper
  Ovophis tonkinensis (Bourret, 1934) -- valid -- Tonkin Pitviper
  Ovophis zayuensis (Jiang, 1977) -- valid
  Porthidium arcosae Schätti and Kramer, 1993 -- valid -- Manabi Hognose Pitviper
  Porthidium dunni (Hartweg and Oliver, 1938) -- valid -- Dunn's Hognose Viper, Nauyaca-nariz de cerdo oxaqueña
  Porthidium hespere (Campbell, 1976) -- valid -- Nauyaca-nariz de cerdo de Tecomán, Western Hognose Viper
  Porthidium lansbergii (Schlegel, 1841) -- valid
  Porthidium lansbergii hutmanni (Sandner-Montilla, 1989) -- valid
  Porthidium lansbergii lansbergii (Schlegel, 1841) -- valid
  Porthidium lansbergii rozei (Peters, 1968) -- valid
  Porthidium nasutum (Bocourt, 1868) -- valid -- Hognosed Pit Viper, Nauyaca-nariz de cerdo narigona
  Porthidium ophryomegas (Bocourt, 1868) -- valid -- Slender Hognose Viper
  Porthidium porrasi Lamar, 2003 -- valid
  Porthidium volcanicum Solórzano, 1995 -- valid
  Porthidium yucatanicum (H. M. Smith, 1941) -- valid -- Nauyaca-nariz de cerdo yucateca
  Proatheris superciliaris (Peters, 1855) -- valid -- Domino-bellied Viper, Lowland Swamp Viper, Lowland Viper
  Protobothrops cornutus (M. A. Smith, 1930) -- valid -- Horned Pit Viper
  Protobothrops dabieshanensis Huang, Pan, Han, L. Zhang, Hou, Yu, Zheng and B. Zhang, 2012 -- valid -- Dabie Mountains Pit Viper
  Protobothrops elegans (Gray, 1849) -- valid -- Elegant Pitviper
  Protobothrops flavoviridis (Hallowell, 1861) -- valid -- Habu
  Protobothrops flavoviridis flavoviridis (Hallowell, 1861) -- valid
  Protobothrops flavoviridis tinkhami (Gloyd, 1955) -- valid
  Protobothrops himalayanus Pan, Chettri, Yang, Jiang, Wang, L. Zhang and Vogel, 2013 -- valid
  Protobothrops jerdonii (Günther, 1875) -- valid -- Jerdon's Pitviper
  Protobothrops jerdonii bourreti (Klemmer, 1963) -- valid -- Bourret's Pitviper
  Protobothrops jerdonii jerdonii (Günther, 1875) -- valid -- Jerdon's Pitviper
  Protobothrops jerdonii xanthomelas (Günther, 1889) -- valid -- Red Spotted Pitviper
  Protobothrops kaulbacki (M. A. Smith, 1940) -- valid -- Kaulback's Lance-headed Pitviper
  Protobothrops mangshanensis (Zhao, 1990) -- valid -- Mang Mountain Pitviper, Mangshan Pitviper, Mt. Mang Pitviper
  Protobothrops maolanensis Yang, Orlov and Wang, 2011 -- valid -- Mao-lan Pitviper
  Protobothrops mucrosquamatus (Cantor, 1839) -- valid -- Brown Spotted Pitviper
  Protobothrops sieversorum (Ziegler, Herrmann, David, Orlov and Pauwels, 2000) -- valid -- Three Horned-scaled Pitviper
  Protobothrops tokarensis (Nagai, 1928) -- valid -- Tokara Habu
  Protobothrops trungkhanhensis Orlov, Ryabov and Nguyen, 2009 -- valid -- Trungkhanh Pitviper
  Protobothrops xiangchengensis (Zhao, Jiang and Huang, 1979) -- valid -- Kham Plateau Pitviper, Szechwan Pit Viper
  Pseudocerastes fieldi K. P. Schmidt, 1930 -- valid -- Field's Horned Viper
  Pseudocerastes persicus (A. M. C. Duméril, Bibron and A. H. A. Duméril, 1854) -- valid -- Persian Horned Viper
  Pseudocerastes urarachnoides Bostanchi, Anderson, Kami and Papenfuss, 2006 -- valid
  Sanzinia madagascariensis (Duméril and Bibron, 1844) -- valid
  Sanzinia madagascariensis madagascariensis (Duméril and Bibron, 1844) -- invalid
  Sanzinia madagascariensis volontany Vences and Glaw, 2004 -- invalid
  Sistrurus catenatus (Rafinesque-Schmaltz, 1818) -- valid -- Massasauga, Víbora-cascabel pigmea-norteña
  Sistrurus catenatus catenatus (Rafinesque-Schmaltz, 1818) -- invalid -- Eastern Massasauga
  Sistrurus catenatus tergeminus (Say in James, 1823) -- invalid -- Western Massasauga
  Sistrurus miliarius (Linnaeus, 1766) -- valid -- Pigmy Rattlesnake, Pygmy Rattlesnake
  Sistrurus miliarius barbouri Gloyd, 1935 -- valid -- Dusky Pigmy Rattlesnake
  Sistrurus miliarius miliarius (Linnaeus, 1766) -- valid -- Carolina Pigmy Rattlesnake
  Sistrurus miliarius streckeri Gloyd, 1935 -- valid -- Western Pigmy Rattlesnake
  Trachyboa boulengeri Peracca, 1910 -- valid -- Northern Eyelash Boa
  Trachyboa gularis Peters, 1860 -- valid -- Southern Eyelash Boa
  Trimeresurus albolabris Gray, 1842 -- valid -- White-lipped Pitviper, White-lipped Tree Viper
  Trimeresurus andalasensis David, Vogel, Vijayakumar and Vidal, 2006 -- valid
  Trimeresurus barati Regenass and Kramer, 1981 -- valid -- Barat Bamboo Pitviper
  Trimeresurus borneensis (Peters, 1872) -- valid -- Borneo Pit Viper
  Trimeresurus brongersmai Hoge, 1969 -- valid -- Brongersma's Pit Viper
  Trimeresurus buniana (L. L. Grismer, J. L. Grismer and McGuire, 2006) -- valid -- Fairy Pitviper
  Trimeresurus cantori (Blyth, 1846) -- valid -- Cantor's Pit Viper
  Trimeresurus erythrurus (Cantor, 1839) -- valid -- Bamboo Pitviper, Redtail Pitviper
  Trimeresurus fasciatus (Boulenger, 1896) -- valid -- Banded Pit Viper
  Trimeresurus flavomaculatus (Gray, 1842) -- valid -- Philippine Pitviper
  Trimeresurus fucatus Vogel, David and Pauwels, 2004 -- valid -- Siamese Peninsula Pitviper
  Trimeresurus gracilis Oshima, 1920 -- valid -- Kikuchi Habu
  Trimeresurus gramineus (Shaw, 1802) -- valid -- Common Bamboo Viper
  Trimeresurus gumprechti David, Vogel, Pauwels and Vidal, 2002 -- valid -- Gumprecht's Green Pitviper
  Trimeresurus hageni (Van Lidth de Jeude, 1886) -- valid -- Hagen's Pitviper, Indonesian Pit Viper
  Trimeresurus honsonensis (L. L. Grismer, Ngo and J. L. Grismer, 2008) -- valid
  Trimeresurus insularis Kramer, 1977 -- valid -- White-lipped Island Pitviper
  Trimeresurus kanburiensis M. A. Smith, 1943 -- valid -- Kanburi Pit Viper
  Trimeresurus labialis Steindachner, 1867 -- valid -- Island Pit Viper, Nicobar Bamboo Pitviper
  Trimeresurus macrolepis Beddome, 1862 -- valid
  Trimeresurus macrops Kramer, 1977 -- valid -- Kramer's Pit Viper, Large-eyed Pitviper
  Trimeresurus malabaricus (Jerdon, 1854) -- valid -- Malabarian Pit Viper
  Trimeresurus malcolmi Loveridge, 1938 -- valid -- Malcolm's Pitviper
  Trimeresurus mcgregori Taylor, 1919 -- valid -- McGregor's Pitviper, McGregor's Tree Viper
  Trimeresurus medoensis Zhao, 1977 -- valid -- Green Bamboo Leaf Pit Viper, Motuo Bamboo Pitviper
  Trimeresurus nebularis Vogel, David and Pauwels, 2004 -- valid -- Cameron Highlands Pitviper, Clouded Pitviper
  Trimeresurus phuketensis Sumontha, Kunya, Pauwels, Nitikul and Punnadee, 2011 -- valid -- Phuket Pitviper
  Trimeresurus puniceus (F. Boie, 1827) -- valid -- Ashy Pit Viper, Flat-nosed Pitviper
  Trimeresurus purpureomaculatus (Gray, 1832) -- valid -- Mangrove Viper, Shore Pit Viper
  Trimeresurus rubeus (Malhotra, Thorpe, Mrinalini and Stuart, 2011) -- valid -- Ruby-eyed Green Pitviper
  Trimeresurus sabahi Regenass and Kramer, 1981 -- valid -- Sabah Bamboo Pitviper
  Trimeresurus schultzei Griffin, 1909 -- valid -- Schultze's Pit Viper
  Trimeresurus septentrionalis Kramer, 1977 -- valid -- Nepal Pitviper
  Trimeresurus sichuanensis (Guo and Wang, 2011) -- valid
  Trimeresurus stejnegeri K. P. Schmidt, 1925 -- valid -- Chinese Green Tree Viper
  Trimeresurus stejnegeri chenbihuii Zhao, 1995 -- valid -- Chen's Bamboo Pitviper
  Trimeresurus stejnegeri stejnegeri K. P. Schmidt, 1925 -- valid -- Stejneger's Bamboo Pitviper
  Trimeresurus strigatus Gray, 1842 -- valid -- Horseshoe Pitviper
  Trimeresurus sumatranus (Raffles, 1822) -- valid -- Sumatra Pit Viper
  Trimeresurus tibetanus Huang, 1982 -- valid -- Tibetan Pit Viper
  Trimeresurus toba David, Petri, Vogel and Doria, 2009 -- valid -- Toba Pitviper
  Trimeresurus trigonocephalus (Latreille, 1801) -- valid -- Ceylon Pit Viper, Sri Lankan Green Pitviper
  Trimeresurus truongsonensis Orlov, Ryabov, Thanh and H. Cuc, 2004 -- valid -- Quang Binh Pitviper
  Trimeresurus venustus Vogel, 1991 -- valid -- Beautiful Pitviper, Brown-spotted Pit Viper
  Trimeresurus vogeli David, Vidal and Pauwels, 2001 -- valid -- Vogel's Pit Viper
  Trimeresurus wiroti Trutnau, 1981 -- valid -- Wirot's Pit Viper
  Trimeresurus yunnanensis K. P. Schmidt, 1925 -- valid -- Yunnan Bamboo Pitviper
  Tropidolaemus huttoni (M. A. Smith, 1949) -- valid -- Hutton's Pitviper
  Tropidolaemus laticinctus (Kuch, Gumprecht and Melaun, 2007) -- valid -- Broad-banded Temple Pitviper
  Tropidolaemus philippensis (Gray, 1842) -- valid -- South Philippine Temple Pitviper
  Tropidolaemus subannulatus (Gray, 1842) -- valid -- North Philippine Temple Pitviper
  Tropidolaemus wagleri (F. Boie, 1827) -- valid -- Temple Pitviper, Wagler's Palm Viper, Wagler's Pit Viper
  Tropidophiidae Brongersma, 1951 -- valid -- Dwarf Boas
  Tropidophis battersbyi Laurent, 1949 -- valid -- Battersby's Dwarf Boa
  Tropidophis canus (Cope, 1868) -- valid -- Bahama-Wood Snake
  Tropidophis caymanensis Battersby, 1938 -- valid -- Cayman Islands Dwarf Boa
  Tropidophis caymanensis caymanensis Battersby, 1938 -- invalid
  Tropidophis caymanensis parkeri Grant, 1940 -- invalid
  Tropidophis caymanensis schwartzi Thomas, 1963 -- invalid
  Tropidophis celiae Hedges, Estrada and Díaz, 1999 -- valid -- Canasi Trope
  Tropidophis feicki Schwartz, 1957 -- valid -- Feick's Dwarf Boa
  Tropidophis fuscus Hedges and Garrido, 1992 -- valid -- Cuban Dusky Trope
  Tropidophis grapiuna Curcio, Sales Nunes, Suzart Argolo, Skuk and Rodrigues, 2012 -- valid
  Tropidophis greenwayi Barbour and Shreve, 1936 -- valid -- Ambergris Cay Dwarf Boa, Caicos Trope
  Tropidophis greenwayi greenwayi Barbour and Shreve, 1936 -- valid -- Big Ambergris Dwarf Boa
  Tropidophis greenwayi lanthanus Schwartz, 1963 -- valid
  Tropidophis haetianus (Cope, 1879) -- valid -- Haitian Dwarf Boa, Hispaniolan Trope
  Tropidophis haetianus haetianus (Cope, 1879) -- valid
  Tropidophis haetianus hemerus Schwartz, 1975 -- valid -- Hispaniolan Trope
  Tropidophis haetianus jamaicensis Stull, 1928 -- invalid -- Jamaican Brown Trope
  Tropidophis haetianus stejnegeri Grant, 1940 -- invalid
  Tropidophis haetianus stullae Grant, 1940 -- invalid
  Tropidophis haetianus tiburonensis Schwartz, 1975 -- valid -- Haitian Dwarf Boa
  Tropidophis hendersoni Hedges and Garrido, 2002 -- valid
  Tropidophis maculatus (Bibron in Ramon de la Sagra, 1840) -- valid -- Spotted Dwarf Boa, Spotted Red Trope
  Tropidophis melanurus (Schlegel, 1837) -- valid -- Dusky Dwarf Boa, Giant Trope, Wood Snake
  Tropidophis melanurus bucculentus (Cope, 1868) -- invalid
  Tropidophis melanurus dysodes Schwartz and Thomas, 1960 -- valid -- Wood Snake
  Tropidophis melanurus ericksoni Schwartz and Thomas, 1960 -- valid -- Wood Snake
  Tropidophis melanurus melanurus (Schlegel, 1837) -- valid
  Tropidophis morenoi Hedges, Garrido and Díaz, 2001 -- valid -- Zebra Trope
  Tropidophis nigriventris Bailey, 1937 -- valid -- Blackbelly Dwarf Boa, Dark-bellied Trope
  Tropidophis nigriventris hardyi Schwartz and Garrido, 1975 -- invalid
  Tropidophis nigriventris nigriventris Bailey, 1937 -- invalid
  Tropidophis pardalis (Gundlach, 1840) -- valid -- Leopard Dwarf Boa, Spotted Brown Trope
  Tropidophis paucisquamis (Müller in Schenkel, 1901) -- valid -- Brazilian Dwarf Boa
  Tropidophis pilsbryi Bailey, 1937 -- valid -- Oriente White-necked Trope, Pilsbry's Dwarf Boa
  Tropidophis pilsbryi galacelidus Schwartz and Garrido, 1975 -- invalid
  Tropidophis pilsbryi pilsbryi Bailey, 1937 -- invalid
  Tropidophis preciosus Curcio, Sales Nunes, Suzart Argolo, Skuk and Rodrigues, 2012 -- valid
  Tropidophis semicinctus (Gundlach and Peters, 1864) -- valid -- Banded Dwarf Boa, Yellow-banded Trope
  Tropidophis spiritus Hedges and Garrido, 1999 -- valid -- Sancti Spiritus Trope
  Tropidophis taczanowskyi (Steindachner, 1880) -- valid -- Taczanowsky's Dwarf Boa
  Tropidophis wrighti Stull, 1928 -- valid -- Gracile Banded Trope, Wright's Dwarf Boa
  Tropidophis xanthogaster Domínguez, Moreno and Hedges, 2006 -- valid -- Guanahacabibes Trope
  Ungaliophis continentalis Müller, 1880 -- valid -- Boa-enana del Istmo
  Ungaliophis panamensis K. P. Schmidt, 1933 -- valid
  Vipera altaica Tuniyev, Nilson and Andrén, 2010 -- valid
  Vipera ammodytes (Linnaeus, 1758) -- valid -- Nose-horned Viper
  Vipera ammodytes ammodytes (Linnaeus, 1758) -- valid
  Vipera ammodytes meridionalis Boulenger, 1903 -- valid
  Vipera ammodytes montandoni Boulenger, 1904 -- valid
  Vipera anatolica Eiselt and Baran, 1970 -- valid -- Anatolian Meadow Viper
  Vipera aspis (Linnaeus, 1758) -- valid -- Asp Viper
  Vipera aspis aspis (Linnaeus, 1758) -- valid
  Vipera aspis atra Meisner, 1820 -- valid
  Vipera aspis francisciredi Laurenti, 1768 -- valid
  Vipera aspis hugyi Schinz, 1833 -- valid
  Vipera aspis zinnikeri Kramer, 1958 -- valid
  Vipera barani Böhme and Joger, 1983 -- valid -- Turkish Viper
  Vipera berus (Linnaeus, 1758) -- valid
  Vipera berus berus (Linnaeus, 1758) -- valid
  Vipera berus bosniensis Boettger, 1889 -- valid
  Vipera berus nikolskii Vedmederya, Grubant and Rudayewa, 1986 -- valid
  Vipera berus sachalinensis Zarevsky, 1917 -- valid
  Vipera darevskii Vedmederya, Orlov and Tuniyev, 1986 -- valid -- Darevsky's Viper
  Vipera dinniki Nikolsky, 1913 -- valid -- Dinnik's Viper
  Vipera eriwanensis (Reuss, 1933) -- valid
  Vipera eriwanensis ebneri Knöpfler and Sochurek, 1955 -- valid
  Vipera eriwanensis eriwanensis (Reuss, 1933) -- valid
  Vipera kaznakovi Nikolsky, 1909 -- valid -- Caucasus Viper
  Vipera latastei Bosca, 1878 -- valid -- Lataste's Viper
  Vipera latastei gaditana Saint Girons, 1977 -- valid
  Vipera latastei latastei Bosca, 1878 -- valid
  Vipera lotievi Nilson, Tuniyev, Orlov, Hoggren and Andrén, 1995 -- valid -- Lotiev's Viper
  Vipera magnifica Tuniyev and Ostrovskikh, 2001 -- valid
  Vipera monticola Saint Girons, 1953 -- valid -- Mountain Viper
  Vipera olguni (Tuniyev, Avci, Tuniyev, A. L. Agasian and L. A. Agasian, 2012) -- valid
  Vipera orlovi Tuniyev and Ostrovskikh, 2001 -- valid
  Vipera pontica Billing, Nilson and Sattler, 1990 -- valid -- Black Sea Viper
  Vipera renardi (Christoph, 1861) -- valid -- Steppe Viper
  Vipera renardi bashkirovi Garanin, Pavlov, Bakiev, in Bakiev, Garanin, Litvinov, Pavlov and Ratnikov, 2004 -- valid
  Vipera renardi parursinii Nilson and Andrén, 2001 -- valid
  Vipera renardi puzanovi Kukuskin, 2009 -- valid
  Vipera renardi renardi (Christoph, 1861) -- valid
  Vipera renardi tienshanica Nilson and Andrén, 2001 -- valid
  Vipera seoanei Lataste, 1879 -- valid -- Portugese Viper
  Vipera seoanei cantabrica Braña and Bas, 1983 -- valid
  Vipera seoanei seoanei Lataste, 1879 -- valid
  Vipera shemakhensis (Tuniyev, Orlov, Tuniyev and Kidov, 2013) -- valid
  Vipera transcaucasiana Boulenger, 1913 -- valid
  Vipera ursinii (Bonaparte, 1835) -- valid -- Meadow Viper, Orsinis Viper
  Vipera ursinii graeca Nilson and Andrén, 1988 -- valid
  Vipera ursinii macrops Méhely, 1911 -- valid
  Vipera ursinii moldavica Nilson, Andrén and Joger, 1993 -- valid
  Vipera ursinii rakosiensis Méhely, 1893 -- valid
  Vipera ursinii ursinii (Bonaparte, 1835) -- valid
  Viperidae Oppel, 1811 -- valid -- Pit Vipers, Vipers
   

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