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Results of: Search in every Kingdom for Scientific Name containing 'Ara'
 
 Kingdom Animalia
  Abaria uchinara Schmid, 1982 – valid
  Abax parafaber (Freitag, 1969) – invalid
  Abax parallelepipedus (Piller and Mitterpacher, 1783) – valid
  Abax parasodalis (Freitag, 1969) – invalid
  Abelocephala araiorum Ishikawa, Cai and Tomokuni, 2015 – valid
  Abietinaria gagarae – valid
  Ablabesmyia parajanta Roback, 1971 – valid
  Aborolobatea paracheliformis – valid
  Abralia (Arabralia) Nesis, 1987 – invalid
  Abralia marisarabica Okutani, 1983 – valid
  Absonus caracasensis González-Sponga, 1987 – valid
  Abudefduf parasema Fowler, 1918 – invalid
  Abyssaranea Wilson & Hessler, 1974 – valid
  Abyssaranea rupis Wilson & Hessler, 1974 – valid
  Abyssaster tara (Wood-Mason & Alcock, 1891) – valid
  Acahara Jordan and Hubbs, 1925 – invalid
  Acalypta samara (Puton, 1887) – valid
  Acanthagrion chararum Calvert, 1909 – valid
  Acanthaluteres paragaudatus (Richardson, 1840) – invalid
  Acantharachne Tullgren, 1910 – valid
  Acantharachne cornuta Tullgren, 1910 – valid
  Acantharachne giltayi Lessert, 1938 – valid
  Acantharachne lesserti Giltay, 1930 – valid
  Acantharachne madecassa Emerit, 2000 – valid
  Acantharachne milloti Emerit, 2000 – valid
  Acantharachne psyche Strand, 1913 – valid
  Acantharachne regalis Hirst, 1925 – valid
  Acantharachne seydeli Giltay, 1935 – valid
  Acanthaspis arambourgi Villiers, 1944 – valid
  Acanthaspis avara Miller, 1948 – valid
  Acanthobothrium hanumantharaoi Rao, 1977 – valid
  Acanthobothrium karachiense Bilqees, 1980 – valid
  Acanthobothrium satyanarayanaraoi Sanaka, Vijaya Lakshmi & Hanumantha Rao, 1993 – valid
  Acanthocephaloides ichiharai Araki and Machida, 1987 – valid
  Acanthocephalus aratus Van Cleave, 1925 – invalid
  Acanthocephalus haranti Golvan and Oliver in Golvan, 1969 – valid
  Acanthocephalus parallelcementglandatus Amin, Heckmann and Ha, 2014 – valid
  Acanthocephalus parallelotestis Achmerov and Dombrovskaja-Achmerova, 1941 – valid
  Acanthocharax Eigenmann, 1912 – valid
  Acanthocharax microlepis Eigenmann, 1912 – valid
  Acanthococcus araucariae (Maskell, 1879) – valid
  Acanthocyclops parasensitivus J. W. Reid, 1998 – valid
  Acanthodrilus sarasini Michaelsen, 1913 – valid
  Acanthogonatus parana Goloboff, 1995 – valid
  Acanthogyrus parareceptaclis Amin, 2005 – valid
  Acanthokara Reid, 1996 – valid
  Acanthokara kaputensis Reid, 1996 – valid
  Acantholycosa paraplumalis Marusik, Azarkina & Koponen, 2004 – valid
  Acanthoneura imparata Hering, 1951 – invalid
  Acanthonevra imparata (Hering, 1951) – valid
  Acanthoscurria parahybana Mello-Leitao, 1926 – valid
  Acanthostepheia behringiensis marae-alba – valid
  Acara Heckel, 1840 – invalid
  Acara Heckel, 1840 – invalid
  Acara Heckel, 1840 – invalid
  Acara Heckel, 1840 – invalid
  Acara Heckel, 1840 – invalid
  Acara curviceps Ahl, 1923 – invalid
  Acara dorsiger Heckel, 1840 – invalid
  Acara faceta (Jenyns, 1842) – invalid
  Acara geayi Pellegrin, 1902 – invalid
  Acara maronii Steindachner, 1881 – invalid
  Acara minuta Hensel, 1870 – invalid
  Acara ocellatus (Agassiz in Spix and Agassiz, 1831) – invalid
  Acara portalegrensis Hensel, 1870 – invalid
  Acara punctulata Günther, 1863 – invalid
  Acara tetramerus Heckel, 1840 – invalid
  Acarana Gray, 1833 – invalid
  Acarauna Sevastianoff, 1802 – invalid
  Acarauna longirostris Sevastianoff, 1802 – invalid
  Acentrella barbarae Jacobus and McCafferty, 2006 – valid
  Acetes paraguayensis Hansen, 1919 – valid
  Achaearanea Strand, 1929 – valid
  Achaearanea alboinsignita Locket, 1980 – valid
  Achaearanea budana Tikader, 1970 – valid
  Achaearanea dalana Buckup & Marques, 1991 – valid
  Achaearanea dea Buckup & Marques, 2006 – valid
  Achaearanea digitus Buckup & Marques, 2006 – valid
  Achaearanea diglipuriensis Tikader, 1977 – valid
  Achaearanea disparata Denis, 1965 – valid
  Achaearanea diversipes (Rainbow, 1920) – valid
  Achaearanea dubitabilis Wunderlich, 1987 – valid
  Achaearanea durgae Tikader, 1970 – valid
  Achaearanea epicosma (Rainbow, 1920) – valid
  Achaearanea extrilida (Keyserling, 1890) – valid
  Achaearanea extumida Xing, Gao & Zhu, 1994 – valid
  Achaearanea globispira Henschel & Jocqué, 1994 – valid
  Achaearanea hieroglyphica (Mello-Leitao, 1940) – valid
  Achaearanea inopinata Brignoli, 1972 – valid
  Achaearanea machaera Levi, 1959 – valid
  Achaearanea maricaoensis (Bryant, 1942) – valid
  Achaearanea micratula (Banks, 1909) – valid
  Achaearanea nigrodecorata (Rainbow, 1920) – valid
  Achaearanea nigrovittata (Keyserling, 1884) – valid
  Achaearanea palgongensis Seo, 1993 – valid
  Achaearanea propera (Keyserling, 1890) – valid
  Achaearanea septemguttata (Simon, 1909) – valid
  Achaearanea simaoica Zhu, 1998 – valid
  Achaearanea taim Buckup & Marques, 2006 – valid
  Achaearanea tepidariorum (C. L. Koch, 1841) – invalid – common house spider
  Achaearanea tingo Levi, 1963 – valid
  Achaearanea trapezoidalis (Taczanowski, 1873) – valid
  Achaearanea triangularis Patel, 2005 – valid
  Achaearanea triguttata (Keyserling, 1891) – valid
  Achaeta paranensis Schmelz, 2008 – valid
  Acharax Dall, 1908 – valid
  Acharax johnsoni (Dall, 1891) – valid
  Achlyonice paradoxa Théel, 1882 – invalid
  Acidia separata Becker, 1908 – invalid
  Acmaeodera paradisjuncta Knull, 1940 – valid
  Acmaeoderopsis paravaripilis (Barr, 1972) – valid
  Acmonotus paradoxus van der Weele, 1909 – invalid
  Acontiophis paradoxa Günther, 1875 – invalid
  Acritodes garambae (Thérond, 1959) – valid
  Acrocephalus kerearako Holyoak, 1974 – valid – Cook Reed Warbler
  Acrocephalus kerearako kaoko Holyoak, 1974 – valid
  Acrocephalus kerearako kerearako Holyoak, 1974 – valid
  Acrocephalus rimatarae (Murphy & Mathews, 1929) – invalid
  Acrocephalus rimitarae (Murphy & Mathews, 1929) – valid
  Acroceratitis separata (Bezzi, 1913) – valid
  Acrochordus arafurae McDowell, 1979 – valid
  Acrolister garambae Thérond, 1959 – valid
  Acromyrmex lundii parallelus Santschi, 1916 – valid
  Acroneuria kosztarabi Kondratieff and Kirchner, 1993 – valid
  Acronicta inclara Smith, 1900 – valid
  Acronicta parallela (Grote, 1879) – valid
  Acropora arabensis Hodgson and Carpenter, 1996 – valid
  Acropora pharaonis (Milne-Edwards and Haime, 1860) – valid
  Acropyga paramaribensis Borgmeier, 1933 – valid
  Acrossocheilus parallens (Nichols, 1931) – valid
  Acrotritia parallelos (Niedbala, 2003) – valid
  Acrotritia parareticulata (Niedbala, 2002) – valid
  Actenodes calcaratus (Chevrolat, 1835) – valid
  Acteon parallelus Dall, 1927 – valid
  Actinopus caraiba (Simon, 1889) – valid
  Actinopus paranensis Mello-Leitao, 1920 – valid
  Actinothoe paradoxa (McMurrich, 1893) – valid
  Acysta praeclara Drake and Hambleton, 1934 – valid
  Addisonia paradoxa Dall, 1882 – valid
  Adeloneivaia isara (Dognin, 1905) – valid
  Adelophryne maranguapensis Hoogmoed, Borges and Cascon, 1994 – valid
  Adelops parasitus (LeConte, 1853) – invalid
  Adenacarus arabicus (With, 1904) – valid
  Adenomera araucaria Kwet and Angulo, 2002 – invalid
  Adenoplea paraproxenetes Reisinger, 1924 – valid
  Adhaesozetes barbarae Hammer, 1966 – valid
  Adicella dharasena Schmid, 1961 – valid
  Adicella paramangyana Mey, 1997 – valid
  Adoncholaimus aralensis Filipjev, 1924 – valid
  Adrodamaeus haradai (Aoki, 1984) – valid
  Advena paradoxa (van Beneden, 1851) – valid
  Aegialia exarata Mannerheim, 1853 – valid
  Aegialites farallonensis Zerche, 2004 – valid
  Aelurillus faragallai Prószynski, 1993 – valid
  Aenictus aratus Forel, 1900 – valid
  Aenigmarachne Schmidt, 2005 – valid
  Aenigmarachne sinapophysis Schmidt, 2005 – valid
  Aepyceros melampus suara Matschie, 1892 – valid
  Aequorea paracuminata (Rees, 1938) – valid
  Aerodramus salangana maratua (Riley, 1927) – valid
  Aethiothemara Hendel, 1928 – valid
  Aethiothemara fallacivena (Enderlein, 1911) – valid
  Aethiothemara graueri Hendel, 1928 – valid
  Aethiothemara speiseriana (Bezzi, 1924) – valid
  Aethiothemara striata Hendel, 1928 – valid
  Aethiothemara transiens Hendel, 1928 – valid
  Aethiothemara trigona Hendel, 1928 – valid
  Aethodelphax paraparvulus (Beamer, 1948) – valid
  Aethopyga guimarasensis (Steere, 1890) – valid
  Aethopyga linaraborae Kennedy, Gonzales & Miranda, 1997 – valid – Lina's Sunbird
  Aethopyga siparaja (Raffles, 1822) – valid – Crimson Sunbird
  Aethopyga siparaja beccarii Salvadori, 1875 – valid
  Aethopyga siparaja cara Hume, 1874 – valid
  Aethopyga siparaja flavostriata (Wallace, 1865) – valid
  Aethopyga siparaja heliogona Oberholser, 1923 – valid
  Aethopyga siparaja insularis Delacour & Jabouille, 1928 – valid
  Aethopyga siparaja labecula (Horsfield, 1840) – valid
  Aethopyga siparaja mangini Delacour & Jabouille, 1924 – valid
  Aethopyga siparaja natunae Chasen, 1935 – valid
  Aethopyga siparaja nicobarica Hume, 1873 – valid
  Aethopyga siparaja owstoni Rothschild, 1910 – valid
  Aethopyga siparaja seheriae (Tickell, 1833) – valid
  Aethopyga siparaja siparaja (Raffles, 1822) – valid
  Aethopyga siparaja tonkinensis Hartert, 1917 – valid
  Aethopyga siparaja trangensis Meyer de Schauensee, 1946 – valid
  Afrixalus paradorsalis Perret, 1960 – valid
  Afromantispa arabica (Navás, 1914) – invalid
  Afrosternophorus araucariae (Beier, 1971) – valid
  Afrowithius paradoxus (Ellingsen, 1912) – valid
  Agabus caraboides Sharp, 1882 – valid
  Agachila barbarae Göllner-Scheiding, 2012 – valid
  Agama parafricana S. Trape, Mediannikov and J-F. Trape in Mediannikov, S. Trape and J-F. Trape, 2012 – valid
  Agama paragama Grandison, 1968 – valid – False Agama
  Agama sankaranica Chabanaud, 1918 – valid – Senegal Agama
  Agapetus barang Olah, 1988 – valid
  Agapetus cataractae Ulmer, 1951 – valid
  Agapetus karabagi Cakin, 1983 – valid
  Agapetus sarayensis Sipahiler, 1996 – valid
  Agapornis taranta (Stanley, 1814) – valid – Black-winged Lovebird
  Agaraea Herrich-Schäffer, 1855 – valid
  Agaraea semivitrea Rothschild, 1909 – valid
  Agaricochara Kraatz, 1856 – valid
  Agaricochara anomala (Notman, 1920) – valid
  Agaricochara apacheana (Seevers, 1951) – invalid
  Agaricochara geniculata (Mäklin, 1853) – valid
  Agaricochara hubbardi (Seevers, 1951) – valid
  Agaricochara ojibway (Seevers, 1951) – valid
  Agaricochara simplex (Seevers, 1951) – valid
  Agathidium marae Miller and Wheeler, 2005 – valid
  Agelena maracandensis (Charitonov, 1946) – valid
  Aglaiocercus kingii smaragdinus (Gould, 1846) – valid
  Agnara Budde-Lund, 1908 – valid
  Agnara carinatus (Collinge, 1915) – valid
  Agnara delvecchioi Arcangeli, 1927 – valid
  Agnara ferrarai Jeon & Kwon, 1995 – valid
  Agnara fragilis Budde-Lund, 1908 – valid
  Agnara gallagheri (Ferrara & Taiti, 1988) – valid
  Agnara hispida (Collinge, 1915) – valid
  Agnara immsi (Collinge, 1914) – valid
  Agnara madagascariensis (Budde-Lund, 1885) – valid
  Agnara strzelecki (Chilton, 1917) – valid
  Agnara taprobanica Ferrara & Argano, 1989 – valid
  Agonita parallela Uhmann, 1961 – valid
  Agonum charactum Hatch, 1951 – invalid
  Agonum exaratum (Mannerheim, 1853) – valid
  Agostodina shara Bruce, 1994A – valid
  Agrilus parabductus Knull, 1954 – valid
  Agrilus paracelti Knull, 1972 – valid
  Agrilus parafloridanus Knull, 1929 – invalid
  Agrilus paraimpexus Hespenheide, 2007 – valid
  Agrilus paramasculinus Champlain and Knull, 1923 – valid
  Agrilus parapubescens Knull, 1934 – invalid
  Agrilus tarahumarae Cazier, 1951 – invalid
  Agroiconota paraguayana Borowiec, 2005 – valid
  Agromyza clara Melander, 1913 – invalid
  Agrophis sarasinorum Müller, 1895 – invalid
  Agrophis saravacensis Shelford, 1901 – invalid
  Agulla paramerica U. Aspöck, 1982 – valid
  Aidochara Casey, 1906 – valid
  Aidochara planiventris Casey, 1906 – valid
  Akamptogonus novarae (Humbert & DeSaussure, 1869) – valid
  Akodon azarae (Fischer, 1829) – valid – Azara's Grass Mouse, Azara's Akodont
  Akodon paranaensis Christoff, Fagundes, Sbalqueiro, Mattevi and Yonenaga-Yassuda, 2000 – valid – Paraná Akodont
  Akysis baramensis Fowler, 1905 – valid
  Akyttara Jocqué, 1987 – valid
  Akyttara akagera Jocqué, 1987 – valid
  Akyttara homunculus Jocqué, 1991 – valid
  Akyttara mahnerti Jocqué, 1987 – valid
  Akyttara odorocci Ono, 2004 – valid
  Akyttara ritchiei Jocqué, 1987 – valid
  Alactagulus pygmaeus aralensis Ognev, 1948 – invalid
  Alaranea Griswold, 1997 – valid
  Alaranea alba Griswold, 1997 – valid
  Alaranea ardua Griswold, 1997 – valid
  Alaranea betsileo Griswold, 1997 – valid
  Alaranea merina Griswold, 1997 – valid
  Alcicornis carangis – valid
  Alciopina parasitica – valid
  Alcyonidium parasiticum (Fleming, 1828) – valid
  Aldisa tara Millen, 1984 – valid
  Alectoris barbara (Bonnaterre, 1792) – valid – Barbary Partridge
  Alectoris barbara barbara (Bonnaterre, 1792) – valid
  Alectoris barbara barbata (Reichenow, 1896) – valid
  Alectoris barbara koenigi (Reichenow, 1899) – valid
  Alectoris barbara spatzi (Reichenow, 1895) – valid
  Aleochara Gravenhorst, 1802 – valid
  Aleochara (Aleochara) Mulsant and Rey, 1874 – valid
  Aleochara (Calochara) Casey, 1906 – valid
  Aleochara (Coprochara) Mulsant and Rey, 1874 – valid
  Aleochara (Echochara) Casey, 1906 – valid
  Aleochara (Emplenota) Casey, 1884 – valid
  Aleochara (Maseochara) Sharp, 1883 – valid
  Aleochara (Xenochara) Mulsant and Rey, 1874 – valid
  Aleochara angusticeps Sharp, 1883 – valid
  Aleochara arizonica Klimaszewski, 1984 – valid
  Aleochara ashei Maus, 2000 – valid
  Aleochara baranowskii Klimaszewski and Génier, 1987 – valid
  Aleochara beckeri Klimaszewski in Klimaszewski, Frank and Peck, 1990 – valid
  Aleochara bilineata Gyllenhal, 1810 – valid
  Aleochara bimaculata Gravenhorst, 1802 – valid
  Aleochara bipustulata (Linnaeus, 1761) – valid
  Aleochara castaneipennis Mannerheim, 1843 – valid
  Aleochara cavernicola Klimaszewski, 1984 – valid
  Aleochara centralis Sharp, 1883 – valid
  Aleochara curtidens Klimaszewski, 1984 – valid
  Aleochara curtula (Goeze, 1777) – valid
  Aleochara densissima Bernhauer, 1906 – valid
  Aleochara depressa (Sharp, 1883) – valid
  Aleochara fenyesi Bernhauer, 1905 – valid
  Aleochara fumata Gravenhorst, 1802 – valid
  Aleochara gracilicornis Bernhauer, 1901 – valid
  Aleochara inexspectata Klimaszewski, 1984 – valid
  Aleochara lacertina Sharp, 1883 – valid
  Aleochara lanuginosa Gravenhorst, 1802 – valid
  Aleochara laramiensis (Casey, 1906) – valid
  Aleochara lata Gravenhorst, 1802 – valid
  Aleochara littoralis (Mäklin, 1853) – valid
  Aleochara lobata Klimaszewski, 1984 – valid
  Aleochara lucifuga (Casey, 1893) – valid
  Aleochara lustrica Say, 1834 – valid
  Aleochara minuta (Casey, 1906) – valid
  Aleochara nidicola Klimaszewski, 1984 – valid
  Aleochara notula Erichson, 1839 – valid
  Aleochara ocularis Klimaszewski, 1984 – valid
  Aleochara opacella (Sharp, 1883) – valid
  Aleochara pacifica (Casey, 1894) – valid
  Aleochara pseudolustrica Klimaszewski in Klimaszewski, Frank and Peck, 1990 – valid
  Aleochara puberula Klug, 1834 – valid
  Aleochara quadrata Sharp, 1883 – valid
  Aleochara rubricalis (Casey, 1911) – valid
  Aleochara rubripennis (Casey, 1906) – valid
  Aleochara rufobrunnea Klimaszewski, 1984 – valid
  Aleochara rufonigra Klimaszewski, 1984 – valid
  Aleochara sallaei Sharp, 1883 – valid
  Aleochara sculptiventris (Casey, 1893) – valid
  Aleochara sekanai Klimaszewski, 1985 – valid
  Aleochara sequoia Klimaszewski and Génier, 1987 – valid
  Aleochara speculicollis Bernhauer, 1901 – valid
  Aleochara suffusa (Casey, 1906) – valid
  Aleochara sulcicollis Mannerheim, 1843 – valid
  Aleochara taeniata Erichson, 1839 – valid
  Aleochara tahoensis Casey, 1906 – valid
  Aleochara thoracica Casey, 1906 – valid
  Aleochara tristis Gravenhorst, 1806 – valid
  Aleochara unicolor Klimaszewski, 1984 – valid
  Aleochara valida LeConte, 1858 – valid
  Aleochara verna Say, 1836 – valid
  Aleochara villosa Mannerheim, 1830 – valid
  Aleochara wickhami (Casey, 1906) – valid
  Alepas parasita Rang, 1829 – valid
  Aleuteres paragaudatus Richardson, 1840 – invalid
  Algansea paratincella Alverez, 1963 – invalid
  Algansea tarascorum Steindachner, 1895 – invalid
  Alisalia parallela Casey, 1911 – valid
  Allacompsus separator Kleine, 1921 – valid
  Allactaga (Paralactaga) Young, 1927 – valid
  Allactaga aralychensis Satunin, 1901 – invalid
  Allanetta araea (Jordan and Gilbert, 1884) – invalid
  Allantactis parasitica Danielssen, 1890 – valid
  Allmaniella arafurensis Horst, 1915 – valid
  Alloblackburneus guadalajarae M. Dellacasa, G. Dellacasa and Gordon, 2011 – valid
  Allocapnia vivipara (Claassen, 1924) – valid
  Allocara Bergroth, 1894 – valid
  Allocara vitticollis Bergroth, 1894 – valid
  Allocosa paraguayensis (Roewer, 1951) – valid
  Allogaussia paradoxa Schellenberg, 1926 – valid
  Allokermes kosztarabi (Baer, 1980) – valid – kosztarab's gall-like coccoid
  Allolobophora paratuleskovi Sapkarev, 1975 – valid
  Allolobophora zarandensis Pop, 1978 – valid
  Allomerus octoarticulatus demerarae Wheeler, 1935 – valid
  Allonais paraguayensis Michaelsen, 1905 – valid – aquatic oligochaete worm
  Allonais paraguayensis chelata Marcus, 1944 – invalid
  Allonothrus pararusseolus Subías & Sarkar, 1982 – valid
  Alloperla aracoma Harper and Kirchner, 1978 – valid
  Allophorocera arator (Aldrich, 1925) – valid
  Alloscirtetica paraguayensis (Friese, 1909) – valid
  Alloscirtetica sakakibarai Urban, 1977 – valid
  Alloscirtetica valparadisaea (Herbst, 1920) – valid
  Alloscirtetica vara (Brčthes, 1910) – valid
  Allosuctobelba tricuspidata tokara Aoki, 1987 – valid
  Alluaudomyia megaparamera Williams, 1957 – valid
  Alluaudomyia paraspina Wirth, 1952 – valid
  Alouatta caraya (Humboldt, 1812) – valid – black howler monkey, Black Howler, Paraguayan Howler
  Alouatta sara Elliot, 1910 – valid – Bolivian red howler monkey, Bolivian Red Howler
  Alouatta seniculus juara Elliot, 1910 – valid – Juruá Red Howler
  Alpaida guimaraes Levi, 1988 – valid
  Alpaida jacaranda Levi, 1988 – valid
  Alpheus barbara Lockington, 1878 – valid
  Alpheus paracrinitus Miers, 1881 – valid – smoothclaw snapping shrimp
  Alpheus paraculeipes Coutičre, 1905 – invalid
  Alpheus paradentipes Coutičre, 1905 – valid
  Alpheus paralcyone Coutičre, 1905 – valid
  Alpioniscus karamani Buturovic, 1954 – valid
  Alpioniscus karamani damjanicus Buturovic, 1955 – valid
  Alpioniscus karamani karamani Buturovic, 1954 – valid
  Althos paradoxus (Brailovsky, 1982) – valid
  Alticola barakshin Bannikov, 1947 – valid – Gobi Altai Mountain Vole
  Alvania exarata Stimpson, 1851 – valid
  Alydus calcaratus (Linnaeus, 1758) – valid
  Alysson maracandensis Radoszkowski, 1877 – valid
  Amakusanthura paramagnifica Muller, 1992C – valid
  Amallothrix paravalida Brodsky, 1950 – valid
  Amalosoma paradolum (Fisher, 1946) – valid
  Amara Bonelli, 1810 – valid
  Amara (Amara) Bonelli, 1810 – valid
  Amara (Amarocelia) Motschulsky, 1862 – valid
  Amara (Bradytus) Stephens, 1827 – valid
  Amara (Celia) Zimmermann, 1832 – valid
  Amara (Curtonotus) Stephens, 1827 – valid
  Amara (Neopercosia) Hieke, 1978 – valid
  Amara (Paracelia) Bedel, 1899 – valid
  Amara (Percosia) Zimmermann, 1832 – valid
  Amara (Reductocelia) Lafer, 1989 – valid
  Amara (Xenocelia) Hieke, 2001 – valid
  Amara (Zezea) Csiki, 1929 – valid
  Amara acuticauda Casey, 1924 – invalid
  Amara aenea (De Geer, 1774) – valid
  Amara aeneopolita Casey, 1918 – valid
  Amara alpina (Paykull, 1790) – valid
  Amara americana Csiki, 1929 – invalid
  Amara amplipennis (Casey, 1918) – invalid
  Amara angustata (Say, 1823) – valid
  Amara angustatoides Hieke, 2000 – valid
  Amara angustior Casey, 1918 – invalid
  Amara anthobia A. Villa and G. Villa, 1833 – valid
  Amara apachensis Casey, 1884 – valid
  Amara apricaria (Paykull, 1790) – valid
  Amara aulica (Panzer, 1796) – valid
  Amara aurata Dejean, 1828 – valid
  Amara avida (Say, 1823) – valid
  Amara basillaris (Say, 1823) – valid
  Amara belfragei G. Horn, 1892 – valid
  Amara bifrons (Gyllenhal, 1810) – valid
  Amara blanchardi Hayward, 1908 – valid
  Amara bokori Csiki, 1929 – valid
  Amara bowditchi Hayward, 1908 – invalid
  Amara bradytonota Hieke, 2001 – valid
  Amara browni Lindroth, 1968 – valid
  Amara brunnea (Gyllenhal, 1810) – valid
  Amara californica Dejean, 1828 – valid
  Amara californica californica Dejean, 1828 – valid
  Amara californica costaricensis (Bates, 1878) – valid
  Amara carinata (LeConte, 1847) – valid
  Amara castalia Casey, 1918 – invalid
  Amara celiana (Stehr, 1949) – invalid
  Amara chalcea Dejean, 1828 – valid
  Amara clememtina (Casey, 1918) – invalid
  Amara clementina (Casey, 1918) – invalid
  Amara coelebs Hayward, 1908 – valid
  Amara colvillensis Lindroth, 1968 – valid
  Amara communis (Panzer, 1797) – valid
  Amara concreta (Casey, 1918) – invalid
  Amara conflata LeConte, 1855 – valid
  Amara confusa LeConte, 1847 – valid
  Amara convexa LeConte, 1847 – valid
  Amara convexiuscula (Marsham, 1802) – valid
  Amara crassipina LeConte, 1855 – valid
  Amara cupreolata Putzeys, 1866 – valid
  Amara daurica (Motschulsky, 1844) – valid
  Amara decora Notman, 1922 – invalid
  Amara deparca (Say, 1830) – valid
  Amara devincta Casey, 1918 – invalid
  Amara discors Kirby, 1837 – valid
  Amara ellipsis (Casey, 1918) – valid
  Amara emancipata Lindroth, 1968 – valid
  Amara erratica (Duftschmid, 1812) – valid
  Amara eurynota (Panzer, 1796) – valid
  Amara exarata Dejean, 1828 – valid
  Amara exlineae Minsk and Hatch, 1939 – valid
  Amara externefoveata Hieke, 2002 – valid
  Amara familiaris (Duftschmid, 1812) – valid
  Amara farallonica (Casey, 1918) – invalid
  Amara farcta LeConte, 1855 – valid
  Amara ferruginea Casey, 1884 – invalid
  Amara finitima (Casey, 1918) – invalid
  Amara flebilis (Casey, 1918) – valid
  Amara fortis LeConte, 1880 – valid
  Amara fulva (O. Müller, 1776) – valid
  Amara gibba (LeConte, 1847) – valid
  Amara glacialis (Mannerheim, 1853) – valid
  Amara greenei (Casey, 1918) – invalid
  Amara haldemani (Casey, 1918) – invalid
  Amara haldermani (Casey, 1918) – invalid
  Amara harpalina LeConte, 1855 – valid
  Amara harpalonota Hieke, 2001 – valid
  Amara haywardi Csiki, 1929 – valid
  Amara hicksi Lindroth, 1968 – valid
  Amara hilaris Casey, 1918 – invalid
  Amara horni Csiki, 1929 – invalid
  Amara humilis Casey, 1918 – invalid
  Amara hyperborea Dejean, 1831 – valid
  Amara idahoana (Casey, 1924) – valid
  Amara idaloana (Casey, 1924) – invalid
  Amara immunda (Casey, 1918) – invalid
  Amara impuncticollis (Say, 1823) – valid
  Amara inexspectata Hieke, 1990 – valid
  Amara inpunctata (Putzeys, 1867) – invalid
  Amara insignis Dejean, 1831 – valid
  Amara insularis G. Horn, 1875 – valid
  Amara interstitialis Dejean, 1828 – valid
  Amara jacinto (Casey, 1918) – invalid
  Amara jacobina LeConte, 1855 – valid
  Amara jucunda Csiki, 1929 – invalid
  Amara kavanaughi Hieke, 1990 – valid
  Amara kurnakowi Hieke, 1994 – valid
  Amara lacustris LeConte, 1855 – valid
  Amara laevipennis Kirby, 1837 – valid
  Amara latior (Kirby, 1837) – valid
  Amara lauta (Casey, 1918) – invalid
  Amara lindrothi Hieke, 1990 – valid
  Amara littoralis Dejean, 1828 – valid
  Amara longula LeConte, 1855 – valid
  Amara lugens Zimmermann, 1832 – valid
  Amara lugubris (Casey, 1918) – valid
  Amara lunicollis Schiřdte, 1837 – valid
  Amara maneei (Casey, 1924) – invalid
  Amara maxwelli (Casey, 1924) – invalid
  Amara merula (Casey, 1918) – valid
  Amara mexicana Dejean, 1831 – invalid
  Amara minnesotana (Casey, 1924) – invalid
  Amara modulata Casey, 1918 – invalid
  Amara musculis (Say, 1823) – valid
  Amara neomexicana (Casey, 1924) – valid
  Amara neoscotica Casey, 1924 – valid
  Amara nexa (Casey, 1918) – valid
  Amara novella (Stehr, 1949) – invalid
  Amara nupera G. Horn, 1892 – invalid
  Amara obesa (Say, 1823) – valid
  Amara obsolescens (Casey, 1918) – invalid
  Amara occidentalis Hieke, 2002 – valid
  Amara otiosa Casey, 1918 – valid
  Amara ovalis Sturm, 1843 – invalid
  Amara ovata (Fabricius, 1792) – valid
  Amara paganica (Casey, 1918) – invalid
  Amara pallipes Kirby, 1837 – valid
  Amara patruelis Dejean, 1831 – valid
  Amara patula Casey, 1918 – invalid
  Amara pennsylvanica Hayward, 1908 – valid
  Amara perspecta Casey, 1918 – invalid
  Amara pimalis (Casey, 1918) – invalid
  Amara pomona Casey, 1918 – valid
  Amara pseudobrunnea Lindroth, 1968 – valid
  Amara pterostichina Hayward, 1908 – valid
  Amara purpurascens (Motschulsky, 1859) – invalid
  Amara quenseli (Schönherr, 1806) – valid
  Amara quenseli quenseli (Schönherr, 1806) – valid
  Amara rectangula LeConte, 1855 – valid
  Amara rectangula ciudadensis (Bates, 1891) – valid
  Amara rectangula rectangula LeConte, 1855 – valid
  Amara relicta (Casey, 1918) – invalid
  Amara retangula LeConte, 1855 – invalid
  Amara robustula G. Horn, 1892 – invalid
  Amara rotundiceps (Casey, 1918) – invalid
  Amara rubrica Haldeman, 1843 – valid
  Amara rugulifera Hieke, 2002 – valid
  Amara rustica Casey, 1918 – invalid
  Amara sanjuanensis Hatch, 1949 – valid
  Amara schwarzi Hayward, 1908 – valid
  Amara scitula Zimmermann, 1832 – valid
  Amara scolopax (Casey, 1918) – invalid
  Amara sera Say, 1830 – valid
  Amara shantzi (Casey, 1918) – invalid
  Amara sinuosa (Casey, 1918) – valid
  Amara sodalica Casey, 1924 – invalid
  Amara sodalicia Casey, 1924 – valid
  Amara spadicea (Casey, 1918) – invalid
  Amara spaldingi (Casey, 1924) – invalid
  Amara specularis (Casey, 1918) – invalid
  Amara sponsor (Casey, 1918) – invalid
  Amara spuria Lindroth, 1968 – valid
  Amara stupida LeConte, 1855 – invalid
  Amara tartarea (Casey, 1918) – invalid
  Amara tenax Casey, 1918 – valid
  Amara tenebrionella (Bates, 1882) – valid
  Amara texana (Putzeys, 1866) – valid
  Amara thoracica Hayward, 1908 – valid
  Amara torrida (Panzer, 1796) – valid
  Amara transberingiensis Hieke, 2002 – valid
  Amara turbata Casey, 1918 – valid
  Amara vegasemsis (Stehr, 1949) – invalid
  Amara vegasensis (Stehr, 1949) – invalid
  Amara vigilax Casey, 1918 – invalid
  Amara virgilax Casey, 1918 – invalid
  Amara virginica (Casey, 1918) – invalid
  Amara volatilis (Casey, 1918) – valid
  Amaralia Fowler, 1954 – valid
  Amaralia hypsiura (Kner, 1855) – valid
  Amarochara Thomson, 1858 – valid
  Amarochara brevios Assing, 2002 – valid
  Amarochara fenyesi Blatchley, 1910 – valid
  Amarochara humilis (Casey, 1893) – valid
  Amarochara inquilina (Casey, 1906) – valid
  Amarochara parviceps (Casey, 1893) – valid
  Amaurobioides pohara Forster, 1970 – valid
  Amauropelma undara Raven & Gray, 2001 – valid
  Amazilia cupreicauda pacaraimae (Weller, 2000) – valid
  Amazona arausiaca (Statius Muller, 1776) – valid – Red-necked Amazon, Red-necked Parrot
  Amazona tucumara (Cabanis, 1885) – invalid
  Ambicodamus marae Harvey, 1995 – valid
  Amblyaspis caramba Buhl, 2001 – valid
  Ameerega cainarachi (Schulte, 1989) – valid
  Ameerega smaragdina (Silverstone, 1976) – valid
  Amegilla karakumensis (Gussakovsky, 1935) – valid
  Amegilla paracalva Brooks, 1993 – valid
  Amegilla paradoxa Brooks, 1988 – valid
  Amegilla parapulchra (Rayment, 1947) – valid
  Ameira parasimulans Lang, 1965 – valid
  Americhernes guarany (Feio, 1946) – valid
  Americorchestia barbarae Bousfield, 1991 – valid – western Gulf sandhopper
  Amietophrynus asmarae (Tandy, Bogart, Largen and Feener, 1982) – valid
  Ammatomus rufonodis saharae (Handlirsch, 1895) – valid
  Ammianus paraspinosus Linnavuori, 1977 – valid
  Ammocrypta clara Jordan and Meek, 1885 – valid – western sand darter
  Ammocryptocharax Weitzman and Kanazawa, 1976 – valid
  Ammocryptocharax elegans Weitzman and Kanazawa, 1976 – valid
  Ammocryptocharax lateralis (Eigenmann, 1909) – valid
  Ammocryptocharax minutus Buckup, 1993 – valid
  Ammocryptocharax vintonae (Eigenmann, 1909) – valid
  Ammophila arabica W.F. Kirby, 1900 – valid
  Ammophila barbara (Lepeletier de Saint Fargeau, 1845) – valid
  Ammophila barbara airensis Berland, 1950 – valid
  Ammophila barbara barbara (Lepeletier de Saint Fargeau, 1845) – valid
  Ammophila barbara judaeorum Kohl, 1901 – valid
  Ammophila barbara semota de Beaumont, 1967 – valid
  Ammophila barbara theryi (Gribodo, 1894) – valid
  Ammophila parapolita (Fernald, 1934) – valid
  Ammophila saharae Giner Marí, 1945 – invalid
  Ammophila separanda F. Morawitz, 1891 – valid
  Ammoplanus marathroicus (De Stefani Perez, 1887) – valid
  Ammotrecha araucana Mello-Leităo, 1942 – valid
  Amorphocephala arabica (Damoiseau, 1964) – valid
  Amorphocephala calcarata Damoiseau, 1967 – valid
  Ampelisca araucana – valid
  Ampelisca jingara – valid
  Ampelisca miharaensis – valid
  Ampelisca parapacifica Goeke and Heard, 1984 – valid
  Ampelisca parapanamensis – valid
  Ampharana Hartman, 1967 – valid
  Ampharana antarctica – valid
  Amphiascus paracaudaespinosus K. Roe, 1958 – valid
  Amphibolus arabicus Miller, 1954 – valid
  Amphientulus gnangarae (Tuxen, 1967) – valid
  Amphiesma parallela (Boulenger, 1890) – invalid
  Amphiesma parallelum (Boulenger, 1890) – invalid
  Amphiesma sarasinora (Boulenger, 1896) – invalid
  Amphiesma sarasinorum (Boulenger, 1896) – invalid
  Amphiesma sarawacense (Günther, 1872) – invalid
  Amphiesma sarawacensis (Günther, 1872) – invalid
  Amphimonhystera paranechma – valid
  Amphinecta mara Forster & Wilton, 1973 – valid
  Amphiodia barbarae (Lyman, 1875) – invalid
  Amphiodia psara H. L. Clark, 1935 – valid
  Amphiodia tymbara H. L. Clark, 1918 – valid
  Amphiprion sandaracinos Allen, 1972 – valid – orange anemonefish, yellow clownfish, yellow skunk clownfish
  Amphiura carchara H. L. Clark, 1911 – valid
  Amphoriscus saccharata – valid
  Amphoropsyche aragua Holzenthal, 1985 – valid
  Ampithoe tarasovi – valid
  Ampulex novarae de Saussure, 1867 – invalid
  Ampulex smaragdina F. Smith, 1858 – valid
  Amusia cataracta Tucker, 1923 – valid
  Amydetes marajoara Silveira and Mermudes, 2014 – valid
  Amynthas paraduplicoecus (Do & Huynh, 1991) – valid
  Amynthas sarasinorum Michaelsen, 1899 – valid
  Amynthas zavaratti (Cognetti, 1909) – valid
  Amyris ujara Marcus and Marcus, 1968 – valid
  Amytornis ballarae Condon, 1969 – valid – Kalkadoon Grasswren
  Anacaena paracymoides (Orchymont, 1942) – invalid
  Anacaena paradigma (Orchymont, 1942) – invalid
  Anacassis exarata (Boheman, 1854) – valid
  Anachis avara (Say, 1822) – valid – greedy dovesnail
  Anachis avara avara (Say, 1822) – valid
  Anachis avara brasiliana von Martens, 1897 – valid
  Anacithara Hedley, 1922 – valid
  Anacithara perfecata – valid
  Anadara Gray, 1847 – valid
  Anadara auriculata Lamarck – invalid
  Anadara auriculata Lamarck – valid
  Anadara baughmani Hertlein, 1951 – valid – baughman ark, skewed ark
  Anadara brasiliana (Lamarck, 1819) – valid – incongruous ark
  Anadara campechiensis (Gmelin, 1791) – invalid
  Anadara chemnitzii (Philippi, 1851) – valid – chemnitz ark, triangular ark
  Anadara concinna (Sowerby, 1833) – valid
  Anadara deshayesi Hanley, 1843 – invalid
  Anadara floridana (Conrad, 1869) – valid – cut-ribbed ark
  Anadara grandis (Broderip and Sowerby, 1829) – valid
  Anadara incongrua Say, 1822 – invalid
  Anadara lienosa (Say, 1832) – valid
  Anadara multicostata (G. B. Sowerby I, 1833) – valid – many-ribbed ark
  Anadara notabilis (Roding, 1798) – valid – eared ark
  Anadara nux (Sowerby, 1833) – valid
  Anadara ovalis (Bruguiere, 1789) – valid – blood ark
  Anadara ovalis americana Wood – invalid
  Anadara ovalis pexata Say – invalid
  Anadara secticostata Reeve, 1844 – valid
  Anadara springeri Redher and Abbott, 1951 – invalid
  Anadara sulcosa Van Hyning, 1946 – invalid
  Anadara transversa (Say, 1822) – valid – transverse ark
  Anadara tuberculosa (G. B. Sowerby I, 1833) – valid – pustulose ark
  Anadenobolus nicaraguanus (Chamberlin, 1922) – valid
  Anahita faradjensis Lessert, 1929 – valid
  Aname camara Raven, 1985 – valid
  Anapisona aragua Platnick & Shadab, 1979 – valid
  Anapistula pocaruguara Rheims & Brescovit, 2003 – valid
  Anaraiorrhinus Damoiseau, 1987 – valid
  Anaraiorrhinus conquisitus (Kleine, 1925) – valid
  Anaraiorrhinus elongatus Goossens, 2006 – valid
  Anastrepha barandiaranae Korytkowski & Ojeda, 1968 – invalid
  Anastrepha parallela (Wiedemann, 1830) – valid
  Anastrepha pseudoparallela (Loew, 1873) – valid
  Anastrepha quararibeae Lima, 1937 – valid
  Anchomenus arachnoides Casey, 1920 – invalid
  Ancistrus maracasae Fowler, 1946 – valid
  Ancyronyx breviparamerus Freitag and Kodada, 2017 – valid
  Ancyronyx longiparamerus Freitag and Kodada, 2017 – valid
  Ancyronyx sarawacensis Jäch, 1994 – valid
  Ancyronyx tamaraw Freitag, 2013 – valid
  Andiodrilus paramensis Zicsi, 1988 – valid
  Andiorrhinus paraguayensis (Rosa, 1895) – valid
  Andoharano Lehtinen, 1967 – valid
  Andoharano decaryi (Fage, 1945) – valid
  Andoharano grandidieri (Simon, 1901) – valid
  Andoharano milloti Legendre, 1971 – valid
  Andoharano monodi Legendre, 1971 – valid
  Andrena ankarae Alfken, 1935 – invalid
  Andrena arabica Scheuchl and Gusenleitner, 2007 – invalid
  Andrena arabis Robertson, 1897 – valid
  Andrena avara Warncke, 1967 – valid
  Andrena avara caligata Warncke, 1974 – invalid
  Andrena avara eureka Warncke, 1974 – invalid
  Andrena avara gavia Warncke, 1974 – invalid
  Andrena avara liturata Warncke, 1974 – invalid
  Andrena barbara Bouseman and LaBerge, 1979 – valid
  Andrena cara Nurse, 1904 – valid
  Andrena cara cara Nurse, 1904 – valid
  Andrena cara kurdistanica Engel, 2005 – valid
  Andrena cara minor Warncke, 1975 – invalid
  Andrena carantonica Pérez, 1902 – valid
  Andrena comparata Morawitz, 1876 – invalid
  Andrena damara Warncke, 1968 – valid
  Andrena elegans paradoxa Friese, 1921 – invalid
  Andrena fuscocalcarata Morawitz, 1877 – valid
  Andrena ishiharai Hirashima, 1953 – valid
  Andrena laramiensis Viereck and Cockerell, 1914 – invalid
  Andrena mara Warncke, 1974 – valid
  Andrena parachalybea Viereck, 1917 – valid
  Andrena paradisaea Warncke, 1975 – valid
  Andrena paradoxa Friese, 1921 – valid
  Andrena parakrigiana Mitchell, 1960 – invalid
  Andrena paramelanospila Xu and Tadauchi, 2009 – valid
  Andrena paramythensis Mavromoustakis, 1957 – valid
  Andrena parataraxaci Scheuchl, 2010 – valid
  Andrena parathoracica Hirashima, 1957 – valid
  Andrena paraulica Hedicke, 1940 – valid
  Andrena pruinosa parata Warncke, 1967 – invalid
  Andrena rhypara Pérez, 1903 – valid
  Andrena santaclarae Ribble, 1974 – valid
  Andrena saragamineensis Hirashima, 1962 – valid
  Andrena separanda Schmiedeknecht, 1884 – invalid
  Andrena separata Smith, 1847 – invalid
  Andrena similis caraimica Osytshnjuk, 1994 – invalid
  Andrena sinuata damara Warncke, 1968 – invalid
  Andrena smaragdina Morawitz, 1876 – valid
  Andrena smaragdina Schmiedeknecht, 1900 – invalid
  Andrena smaragdula Viereck, 1918 – invalid
  Andrena subsmaragdina Osytshnjuk, 1984 – valid
  Andrena taraxaci Giraud, 1861 – valid
  Andrena taraxaci chikuzenensis Hirashima, 1957 – invalid
  Andrena taraxaci curtivalvis Morice, 1899 – invalid
  Andrena taraxaci orientana Warncke, 1965 – invalid
  Andrena taraxaci orienticola (Strand, 1915) – valid
  Andrena taraxaci taraxaci Giraud, 1861 – valid
  Androdeloscia ferrarai Leistikow, 1999 – valid
  Androloma disparata (H. Edwards, 1884) – valid
  Aneflus paracalvatus Knull, 1955 – valid
  Aneides lugubris farallonensis (Van Denburgh, 1905) – invalid
  Anelaphus parallelus (Newman, 1840) – valid – oak twig pruner
  Anelosimus jabaquara Levi, 1956 – valid
  Anemesia karatauvi (Andreeva, 1968) – valid
  Anisochaeta tamara Blakemore, 2000 – valid
  Anisomysis arabica Wooldridge and Victor, 2004 – valid
  Ankaratridium Paulian de Felice, 1950 – valid
  Ankaratridium caecum Paulian de Felice, 1950 – valid
  Ankaratrix Lawrence, 1959 – valid
  Ankaratrix cancrops Lawrence, 1959 – valid
  Ankaratrix illota Lawrence, 1959 – valid
  Annatiara Russell, 1940 – valid
  Annatiara affinis (Hartlaub, 1913) – valid
  Annectacarus parallelus (Berlese, 1916) – valid
  Anocamara Kleine, 1920 – valid
  Anocamara borneensis Damoiseau, 1989 – valid
  Anocamara catenata Kleine, 1925 – valid
  Anocamara proportionalis Kleine, 1920 – valid
  Anocamara undulata Damoiseau, 1989 – valid
  Anochetus madaraszi Mayr, 1897 – valid
  Anodocheilus sarae Young, 1974 – valid
  Anodonta beringiana taranetzi Zhadin, 1938 – invalid
  Anodonta calara Servain, 1885 – invalid
  Anodonta cataracta Say, 1817 – invalid
  Anodonta cataracta cataracta Say, 1817 – invalid – eastern floater
  Anodonta cataracta fragilis Lamarck, 1819 – invalid – Newfoundland floater
  Anodonta cataracta marginata Say, 1817 – invalid – Gaspe floater
  Anodonta misara Servain, 1885 – invalid
  Anodonta nicaraguae Philippi, 1848 – invalid
  Anolis baracoae Schwartz, 1964 – valid – Baracoa Anole
  Anolis barahonae Williams, 1962 – valid – Barahona Anole
  Anolis barahonae albocellatus Schwartz, 1974 – valid
  Anolis barahonae barahonae Williams, 1962 – valid
  Anolis barahonae ininquinatus Cullom and Schwartz, 1980 – valid
  Anolis barahonae mulitus Cullom and Schwartz, 1980 – valid
  Anolis paravertebralis Bernal-Carlo and Roze, 2005 – valid
  Anolis porcatus aracelyae Pérez-Beato, 1996 – valid
  Anolis roquet caracoli Lazell, 1972 – valid
  Anolis smaragdinus Barbour and Shreve, 1935 – valid – Bahamian Green Anole
  Anolis smaragdinus lerneri Oliver, 1948 – valid
  Anolis smaragdinus smaragdinus Barbour and Shreve, 1935 – valid
  Anomala flavipennis aransas Potts, 1977 – valid
  Anomiopteryx paradoxa Gussakovskij, 1935 – invalid
  Anonychomyrma itinerans ballaratensis (Forel, 1902) – valid
  Anopheles farauti (Laversan) – valid
  Anopheles guarao Anduze and Capdevielle, 1949 – valid
  Anopheles parapunctipennis Martini, 1932 – valid
  Anopheles parapunctipennis guatemalensis Leon, 1938 – valid
  Anopheles parapunctipennis parapunctipennis Martini, 1932 – valid
  Anoplitis imparallela Pic, 1932 – invalid
  Anoplitis parallela (Champion, 1894) – invalid
  Anoplodium parasita Schneider, 1858 – valid
  Anotopterus pharao Zugmayer, 1911 – valid – daggertooth
  Ansonia jeetsukumarani Wood, Grismer, Ahmad and Senawi, 2008 – valid
  Antennarius sarasa Tanaka, 1916 – invalid – calico frogfish
  Anteris brahmaranya (Mani, 1975) – valid
  Anthicus parallelus Casey, 1895 – invalid
  Anthidium aymara Toro & Rodríguez, 1998 – valid
  Anthochaera paradoxa (Daudin, 1800) – valid – Yellow Wattlebird
  Anthochaera paradoxa kingi (Mathews, 1925) – valid
  Anthochaera paradoxa paradoxa (Daudin, 1800) – valid
  Anthocharis (Paramidea) Kuznetsov, 1929 – valid
  Anthocharis sara Lucas, 1852 – valid – Sara Orangetip
  Anthocharis sara alaskensis Gunder, 1932 – valid
  Anthocharis sara browningi Skinner, 1906 – valid
  Anthocharis sara flora W. G. Wright, 1892 – valid
  Anthocharis sara gunderi Ingham, 1933 – valid
  Anthocharis sara inghami Gunder, 1932 – valid
  Anthocharis sara julia W. H. Edwards, 1872 – valid
  Anthocharis sara pseudothoosa Austin in T. Emmel, 1998 – valid
  Anthocharis sara sara Lucas, 1852 – valid – 'Pacific' Sara Orangetip
  Anthocharis sara stella W. H. Edwards, 1879 – valid – 'Stella' Sara Orangetip
  Anthocharis sara sulfuris Pelham, 2008 – valid
  Anthocharis sara thoosa (Scudder, 1878) – valid
  Anthodioctes calcaratus (Friese, 1921) – valid
  Anthodioctes manauara Urban, 1999 – valid
  Anthohebella parasitica (Ciamician, 1880) – valid
  Anthophora arabica Priesner, 1957 – valid
  Anthophora calcarata Lepeletier, 1841 – valid
  Anthophora paranensis Holmberg, 1903 – valid
  Anthophora vara Lepeletier, 1841 – invalid
  Anthrax comparata Tucker, 1907 – invalid
  Anthrax paradoxa Jaennicke, 1867 – invalid
  Anthrax separata Walker, 1852 – invalid
  Anthrenoides araucariae Urban, 2005 – valid
  Anthrenoides guarapuavae Urban, 2005 – valid
  Anthrenoides paranaensis Urban, 2005 – valid
  Anthreptes malacensis paraguae Riley, 1920 – valid
  Anthropoides paradisea (A. A. H. Lichtenstein, 1793) – invalid
  Anthropoides paradiseus (A. A. H. Lichtenstein, 1793) – valid – Blue Crane
  Anthus correndera calcaratus Taczanowski, 1875 – valid
  Anthus similis arabicus Hartert, 1917 – valid
  Anthus similis hararensis Neumann, 1906 – valid
  Antillopsyche ayacara Botosaneanu, 1980 – valid
  Antinoe parasitica Webster, 1879 – valid
  Antiparactis Verrill, 1899 – valid
  Antiparactis lineolatus (Couthouy in Dana, 1846) – valid
  Antoptila guarani Angrisano, 1993 – invalid
  Anurida calcarata (Denis, 1925) – invalid
  Anuridella calcarata Denis, 1925 – valid
  Aotus azarae (Humboldt, 1812) – valid – Azara's Night Monkey
  Aotus azarae azarae (Humboldt, 1812) – valid – Azara's Night Money
  Aotus azarae boliviensis Elliot, 1907 – valid – Bolivian Night Monkey
  Aotus azarae infulatus (Kuhl, 1820) – valid – Feline Night Monkey
  Aotus azarai (Humboldt, 1812) – invalid – Azara's night monkey
  Apalis karamojae (Someren, 1921) – valid – Karamoja Apalis
  Apalis karamojae karamojae (Someren, 1921) – valid
  Apalis karamojae stronachi Stuart & Collar, 1985 – valid
  Aparallactinae – valid
  Aparallactus A. Smith, 1849 – valid
  Aparallactus bocagii Boulenger, 1895 – invalid
  Aparallactus capensis A. Smith, 1849 – valid – Cape Centipede Eater
  Aparallactus capensis bocagei Boulenger, 1895 – valid
  Aparallactus capensis bocagii Boulenger, 1895 – invalid
  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 Parker, 1949 – invalid
  Aparallactus lunulatus nigrocollaris Chabanaud, 1916 – valid
  Aparallactus lunulatus scortecci Chabanaud, 1916 – invalid
  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 nigrocollaris Chabanaud, 1916 – invalid
  Aparallactus punctatolineatus Boulenger, 1895 – invalid
  Aparallactus turneri Loveridge, 1935 – valid – Malindi Centipede-eater
  Aparallactus ubangensis Boulenger, 1897 – invalid
  Aparallactus werneri Boulenger, 1895 – valid – Usambara Centipede-eater
  Aparaonis Hartman, 1965 – valid
  Aparaonis abyssalis – valid
  Aparasphenodon Miranda-Ribeiro, 1920 – valid
  Aparasphenodon bokermanni Pombal, 1993 – valid
  Aparasphenodon brunoi Miranda-Ribeiro, 1920 – valid
  Aparasphenodon venezolanus (Mertens, 1950) – valid
  Apatania devisaraspali Schmid, 1968 – valid
  Apatania moharamana (Schmid, 1961) – valid
  Apataniana charadija Schmid, 1968 – valid
  Apegus araticeps Kieffer, 1913 – valid
  Apemosphaera naranagi Bruce, 1994A – valid
  Apenes parallela (Dejean, 1825) – valid
  Apenes parallela parallela (Dejean, 1825) – valid
  Aphaenogaster araneoides Emery, 1890 – valid
  Aphaenogaster araneoides araneoides Emery, 1890 – valid
  Aphaenogaster araneoides canalis Enzmann, 1947 – valid
  Aphaenogaster araneoides inermis Forel, 1899 – valid
  Aphaenogaster araneoides nitidiventris Forel, 1912 – valid
  Aphaenogaster swammerdami clara (Santschi, 1915) – valid
  Aphiloscia marangua (Schmoelzer, 1974) – valid
  Aphiochaeta clara Schmitz, 1921 – invalid
  Aphodius capraram Gistel, 1857 – invalid
  Aphoebantus separatus Melander, 1950 – valid
  Aphroceras saccharatum – valid
  Aphrophora parallela (Say, 1824) – valid – Spruce spittlebug
  Aphrophora saratogensis (Fitch, 1851) – valid – Saratoga spittlebug
  Aphylla caraiba (Selys, 1854) – valid
  Aphyocharacidium Géry, 1960 – valid
  Aphyocharacidium bolivianum Géry, 1973 – valid
  Aphyocharacidium melandetum (Eigenmann, 1912) – valid
  Aphyocharax Günther, 1868 – valid
  Aphyocharax agassizii (Steindachner, 1882) – valid
  Aphyocharax alburnus (Günther, 1869) – valid
  Aphyocharax analialbis NODC, 1996 – invalid
  Aphyocharax analis Nichols, 1915 – invalid
  Aphyocharax anisitsi Eigenmann and Kennedy, 1903 – valid – bloodfin, bloodfin
  Aphyocharax colifax Taphorn and Thomerson, 1991 – valid
  Aphyocharax dentatus Eigenmann and Kennedy, 1903 – valid
  Aphyocharax filigerus Cope, 1870 – invalid
  Aphyocharax gracilis Fowler, 1940 – valid
  Aphyocharax maxillaris Ulrey, 1894 – invalid
  Aphyocharax nattereri (Steindachner, 1882) – valid
  Aphyocharax paraguayensis Eigenmann, 1915 – invalid – dawn tetra, dawn tetra
  Aphyocharax pusillus Günther, 1868 – valid
  Aphyocharax rathbuni Eigenmann in Eigenmann and Ogle, 1907 – valid
  Aphyocharax rubropinnis Pappenheim, 1922 – invalid – bloodfin, bloodfin
  Aphyocharax yekwanae Willink, Chernoff and Machado-Allison Willink et al., 2003 – valid
  Apiocera parahydra Cazier, 1982 – valid
  Apiomerus guevarai Lima, Seabra and Hathaway, 1951 – valid
  Apiomerus paraguayensis Lima, Seabra and Hathaway, 1951 – valid
  Apis calcarata Scopoli, 1763 – invalid
  Apis smaragdula Fabricius, 1787 – invalid
  Aploparaksis Clerc, 1903 – valid
  Apocrangonyx araeus Holsinger, 1969 – invalid
  Apodrassodes araucanius (Chamberlin, 1916) – valid
  Apogon arafurae Günther, 1880 – invalid
  Apogon pharaonis Bellotti, 1874 – valid
  Apoplophora sarawaki Niedbala, 2004 – valid
  Aporrectodea smaragdina Rosa, 1892 – valid
  Aporrectodea smaragdinoides Sapkarev, 1989 – valid
  Aprasia parapulchella Kluge, 1974 – valid
  Apsectus araneorum Beal, 1959 – valid
  Apseudes misarai Bacescu, 1981 – valid
  Apseudes paragracilis Kudinova-pasternak, 1975 – valid
  Aptenopedes sphenarioides clara Rehn, 1902 – valid
  Apteroloma caraboides (Fall, 1907) – valid
  Apteronotus marauna (Triques, 1998) – valid
  Apterygia ramcarata Gray, 1835 – invalid
  Apyrrothrix araxes (Hewitson, 1867) – valid
  Apyrrothrix araxes arizonae (Godman and Salvin, 1893) – valid
  Aquilonastra oharai O'Loughlin & Rowe, 2006 – valid
  Ara Lacepede, 1799 – valid
  Ara ambigua (Bechstein, 1811) – invalid
  Ara ambiguus (Bechstein, 1811) – valid – Great Green Macaw
  Ara ambiguus ambiguus (Bechstein, 1811) – valid
  Ara ambiguus guayaquilensis Chapman, 1925 – valid
  Ara ararauna (Linnaeus, 1758) – valid – Blue-and-yellow Macaw
  Ara auricollis Cassin, 1853 – invalid
  Ara chloroptera G. R. Gray, 1859 – invalid
  Ara chloropterus G. R. Gray, 1859 – valid – Red-and-green Macaw
  Ara couloni P. L. Sclater, 1876 – invalid
  Ara glaucogularis Dabbene, 1921 – valid – Blue-throated Macaw
  Ara macao (Linnaeus, 1758) – valid – Scarlet Macaw, Guacamaya roja
  Ara macao cyanopterus Wiedenfeld, 1995 – valid
  Ara macao macao (Linnaeus, 1758) – valid
  Ara manilata (Boddaert, 1783) – invalid
  Ara maracana (Vieillot, 1816) – invalid
  Ara militaris (Linnaeus, 1766) – valid – Military Macaw, Guacamaya verde
  Ara militaris bolivianus Reichenow, 1908 – valid
  Ara militaris mexicanus Ridgway, 1915 – valid
  Ara militaris militaris (Linnaeus, 1766) – valid
  Ara milstaris (Linnaeus, 1758) – invalid
  Ara nobilis (Linnaeus, 1758) – invalid
  Ara rubrogenys Lafresnaye, 1847 – valid – Red-fronted Macaw
  Ara severa (Linnaeus, 1758) – invalid
  Ara severus (Linnaeus, 1758) – valid – Chestnut-fronted Macaw
  Ara severus castaneifrons Lafresnaye, 1847 – valid
  Ara severus severus (Linnaeus, 1758) – valid
  Ara tricolor Bechstein, 1811 – valid – Hispaniolan Macaw, Cuban Macaw
  Araba nebulosa Coquillett, 1902 – invalid
  Araba tergata Coquillett, 1895 – invalid
  Arabanthura Kensley & Reid, 1984 – valid
  Arabanthura enigmatica Kensley & Reid, 1984 – valid
  Arabelia Bosselaers, 2009 – valid
  Arabelia pheidoleicomes Bosselaers, 2009 – valid
  Arabella Grube, 1850 – valid
  Arabella endonata – valid
  Arabella geniculata – valid
  Arabella iricolor (Montagu, 1804) – valid
  Arabella iridescens Treadwell, 1906 – valid
  Arabella mimetica – valid
  Arabella mutans (Chamberlin) – valid
  Arabella nultidentata (Ehlers, 1887) – valid
  Arabella opalina – invalid
  Arabella semimaculata – invalid
  Arabellidae Hartman, 1944 – invalid
  Arabescula Carter, 1873 – valid
  Arabiopsis – valid
  Arabiopsis cocklei Townsend, 1915 – valid
  Aracana Gray, 1838 – valid
  Aracana aculeata (Houttuyn, 1782) – invalid
  Aracana amoena Castelnau, 1872 – invalid
  Aracana aurita (Shaw in Shaw & Nodder, 1798) – valid
  Aracana flavofasciata Kamohara, 1938 – invalid
  Aracana ornata (Gray, 1838) – valid – ornate cowfish
  Aracana spilogaster angustata McCulloch & Waite, 1915 – invalid
  Aracana spilogaster spinosissima McCulloch & Waite, 1915 – invalid
  Aracana spilonota Gilbert, 1905 – invalid
  Aracanidae – valid
  Aracaninae – invalid
  Aracanostracion Smith, 1949 – invalid
  Aracanostracion rosapinto Smith, 1949 – invalid – basketfish
  Aracanthus Say, 1831 – valid
  Aracanthus assimilis Voss, 1934 – valid
  Aracanthus pallidus (Say, 1831) – valid
  Arachnactis M. Sars, 1846 – valid
  Arachnactis albida M. Sars, 1846 – valid
  Arachnactis brachiolata A. Agassiz, 1863 – valid
  Arachnida – valid – arachnids, aracnídeo, araignées, arácnidos
  Arachnidiidae Hincks, 1880 – valid
  Arachnidium Hincks, 1859 – valid
  Arachnidium clavatum Hincks, 1877 – valid
  Arachnidium fibrosum Hincks, 1880 – valid
  Arachnidium hippothoides Hincks, 1862 – valid
  Arachnidium simplex Hincks, 1880 – valid
  Arachnidomyia – valid
  Arachnidomyia aldrichi (Parker, 1916) – valid
  Arachnidomyia clathrata (Meigen, 1826) – valid
  Arachnidomyia davidsonii (Coquillett, 1892) – valid
  Arachnidomyia houghi (Aldrich, 1916) – valid
  Arachnidomyia minutissima (Hall, 1929) – valid
  Arachnidomyia subaenescens (Aldrich, 1925) – valid
  Arachnis Geyer, 1837 – valid
  Arachnis apachea Clarke, 1941 – invalid
  Arachnis aulaea Geyer, 1837 – valid
  Arachnis citra Neumögen and Dyar, 1893 – valid
  Arachnis nedyma Franclemont, 1966 – valid
  Arachnis picta Packard, 1864 – valid
  Arachnis zuni Neumögen, 1890 – valid
  Arachnoidea J. Moore, 1903 – valid
  Arachnoidea barentsia Kluge, 1962 – valid
  Arachnoididae – valid
  Arachnomura Mello-Leităo, 1917 – valid
  Arachnomura adfectuosa Galiano, 1977 – valid
  Arachnomura hieroglyphica Mello-Leităo, 1917 – valid
  Arachnomysis Chun, 1887 – valid
  Arachnomysis leuckartii Chun, 1887 – valid
  Arachnomysis megalops Zimmer, 1914 – valid
  Arachnopodiidae – invalid
  Arachnopsis Stimpson, 1871 – valid
  Arachnopsis filipes Stimpson, 1871 – valid
  Arachnopusia Jullien, 1888 – valid
  Arachnopusia monoceros (Busk, 1854) – valid
  Arachnopusia perforata (Maplestone, 1909) – valid
  Arachnopusia unicornis (Hutton, 1873) – valid
  Arachnopusiidae Jullien, 1888 – valid
  Arachnotermes Mello-Leităo, 1928 – valid
  Arachnotermes termitophilus Mello-Leităo, 1928 – valid
  Arachnothera Temminck, 1826 – valid
  Arachnothera affinis (Horsfield, 1821) – valid – Streaky-breasted Spiderhunter
  Arachnothera affinis affinis (Horsfield, 1821) – invalid
  Arachnothera affinis everetti (Sharpe, 1893) – invalid
  Arachnothera chrysogenys (Temminck, 1826) – valid – Yellow-eared Spiderhunter
  Arachnothera chrysogenys chrysogenys (Temminck, 1826) – valid
  Arachnothera chrysogenys harrissoni Deignan, 1957 – valid
  Arachnothera clarae W. Blasius, 1890 – valid – Naked-faced Spiderhunter
  Arachnothera clarae clarae W. Blasius, 1890 – valid
  Arachnothera clarae luzonensis Alcasid & Gonzales, 1968 – valid
  Arachnothera clarae malindangensis Rand & Rabor, 1957 – valid
  Arachnothera clarae philippinensis (Steere, 1890) – valid
  Arachnothera crassirostris (Reichenbach, 1853) – valid – Thick-billed Spiderhunter
  Arachnothera dilutior Sharpe, 1876 – valid – Pale Spiderhunter
  Arachnothera everetti (Sharpe, 1893) – valid – Bornean Spiderhunter
  Arachnothera flammifera Tweeddale, 1878 – valid – Orange-tufted Spiderhunter
  Arachnothera flammifera flammifera Tweeddale, 1878 – valid
  Arachnothera flammifera randi Salomonsen, 1953 – valid
  Arachnothera flavigaster (Eyton, 1839) – valid – Spectacled Spiderhunter
  Arachnothera juliae Sharpe, 1887 – valid – Whitehead's Spiderhunter
  Arachnothera longirostra (Latham, 1790) – valid – Little Spiderhunter
  Arachnothera longirostra atita Oberholser, 1932 – valid
  Arachnothera longirostra buettikoferi Oort, 1910 – valid
  Arachnothera longirostra cinireicollis (Vieillot, 1819) – valid
  Arachnothera longirostra dilutior Sharpe, 1876 – invalid
  Arachnothera longirostra flammifera Tweeddale, 1878 – invalid
  Arachnothera longirostra longirostra (Latham, 1790) – valid
  Arachnothera longirostra niasensis Oort, 1910 – valid
  Arachnothera longirostra pallida Delacour, 1932 – valid
  Arachnothera longirostra prillwitzi Hartert, 1901 – valid
  Arachnothera longirostra rothschildi Oort, 1910 – valid
  Arachnothera longirostra sordida La Touche, 1921 – valid
  Arachnothera longirostra zarhina Oberholser, 1912 – valid
  Arachnothera magna (Hodgson, 1836) – valid – Streaked Spiderhunter
  Arachnothera magna aurata Blyth, 1855 – valid
  Arachnothera magna magna (Hodgson, 1836) – valid
  Arachnothera magna musarum Deignan, 1956 – valid
  Arachnothera magna pagodarum Deignan, 1956 – valid
  Arachnothera magna remota Riley, 1940 – valid
  Arachnothera modesta (Eyton, 1839) – valid
  Arachnothera modesta caena Deignan, 1956 – valid
  Arachnothera modesta concolor Snelleman, 1882 – valid
  Arachnothera modesta modesta (Eyton, 1839) – valid
  Arachnothera robusta S. Muller & Schlegel, 1845 – valid – Long-billed Spiderhunter
  Arachnothera robusta armata S. Muller & Schlegel, 1845 – valid
  Arachnothera robusta robusta S. Muller & Schlegel, 1845 – valid
  Arachnura Vinson, 1863 – valid
  Arachnura angura Tikader, 1970 – valid
  Arachnura caudatella Roewer, 1942 – valid
  Arachnura feredayi (L. Koch, 1872) – valid
  Arachnura heptotubercula Yin, Hu & Wang, 1983 – valid
  Arachnura higginsi (L. Koch, 1872) – valid
  Arachnura logio Yaginuma, 1956 – valid
  Arachnura melanura Simon, 1867 – valid
  Arachnura perfissa (Thorell, 1895) – valid
  Arachnura pygmaea (Thorell, 1890) – valid
  Arachnura quinqueapicata Strand, 1911 – valid
  Arachnura scorpionoides Vinson, 1863 – valid
  Arachnura simoni Berland, 1924 – valid
  Arachnura spinosa (Saito, 1933) – valid
  Arachosia O. P.-Cambridge, 1882 – valid
  Arachosia albiventris Mello-Leităo, 1922 – valid
  Arachosia anyphaenoides O. P.-Cambridge, 1882 – valid
  Arachosia arachosia Mello-Leităo, 1922 – valid
  Arachosia bergi (Simon, 1880) – valid
  Arachosia bifasciata (Mello-Leităo, 1922) – valid
  Arachosia bonneti (Mello-Leităo, 1947) – valid
  Arachosia cubana (Banks, 1909) – valid
  Arachosia dubia (Berland, 1913) – valid
  Arachosia duplovittata (Mello-Leităo, 1942) – valid
  Arachosia freiburgensis Keyserling, 1891 – valid
  Arachosia honesta Keyserling, 1891 – valid
  Arachosia mezenioides Mello-Leităo, 1922 – valid
  Arachosia minensis (Mello-Leităo, 1926) – valid
  Arachosia oblonga (Keyserling, 1878) – valid
  Arachosia polytrichia (Mello-Leităo, 1922) – valid
  Arachosia praesignis (Keyserling, 1891) – valid
  Arachosia proseni (Mello-Leităo, 1944) – valid
  Arachosia puta O. P.-Cambridge, 1892 – valid
  Arachosia striata (Keyserling, 1891) – valid
  Arachosia sulfurea Mello-Leităo, 1922 – valid
  Arachosinella Denis, 1958 – valid
  Arachosinella oeroegensis Wunderlich, 1995 – valid
  Arachosinella strepens Denis, 1958 – valid
  Aracus Thorell, 1887 – valid
  Aracus captator Thorell, 1887 – valid
  Aradellini Wygodzinsky and Usinger, 1963 – valid
  Aradelloides Malipatil, 1983 – valid
  Aradelloides maculatus Malipatil, 1983 – valid
  Aradelloides taylori Malipatil, 1983 – valid
  Aradelloides wilsoni Malipatil, 1983 – valid
  Aradellus Westwood, 1874 – valid
  Aradellus cygnalis Westwood, 1874 – valid
  Aradellus fulvus Montandon, 1907 – valid
  Aradellus nigerrimus Montandon, 1910 – valid
  Aradidae Spinola, 1837 – valid – flat bugs
  Aradinae Amyot and Serville, 1843 – valid
  Aradoidea – valid
  Aradomorpha Champion, 1899 – valid
  Aradomorpha championi Lent and Wygodzinsky, 1945 – valid
  Aradomorpha chinai Lima, 1940 – valid
  Aradomorpha crassipes Champion, 1899 – valid
  Aradophagus Ashmead, 1893 – valid
  Aradophagus brunneus (Masner & Huggert, 1979) – valid
  Aradophagus diazi Garcia & Masner, 1994 – valid
  Aradophagus fasciatus Ashmead, 1893 – valid
  Aradophagus microps Masner & Huggert, 1979 – valid
  Aradophagus nicolai Mineo & Caleca, 1992 – valid
  Aradophagus pulchricornis Masner & Huggert, 1979 – valid
  Aradophagus pulchricorpus (Dodd, 1915) – valid
  Aradophagus pulchripennis (Dodd, 1914) – valid
  Aradophagus sarotes (Masner & Huggert, 1979) – valid
  Aradophagus squamosus (Dodd, 1926) – valid
  Aradophagus trjapitzini (Masner & Huggert, 1979) – valid
  Aradus Fabricius, 1803 – valid
  Aradus (Aradus) Fabricius, 1803 – valid
  Aradus (Quilnus) Stĺl, 1873 – valid
  Aradus abbas Bergroth, 1889 – valid
  Aradus acutus Say, 1832 – valid
  Aradus aequalis Say, 1832 – valid
  Aradus alaskanus Kormilev and Heiss, 1979 – valid
  Aradus ampliatus Uhler, 1876 – valid
  Aradus antennalis Parshley, 1921 – valid
  Aradus apicalis Van Duzee, 1920 – valid
  Aradus approximatus Parshley, 1921 – valid
  Aradus arizonicus Parshley, 1921 – valid
  Aradus barberi Kormilev, 1966 – valid
  Aradus basalis Parshley, 1921 – valid
  Aradus behrensi Bergroth, 1886 – valid
  Aradus betulae (Linnaeus, 1758) – valid
  Aradus blaisdelli Van Duzee, 1920 – valid
  Aradus borealis Heidemann, 1909 – valid
  Aradus breviatus Bergroth, 1887 – valid
  Aradus brevicornis Kormilev, 1980 – valid
  Aradus brunnicornis Blatchley, 1926 – valid
  Aradus carolinensis Kormilev, 1964 – valid
  Aradus cincticornis Bergroth, 1906 – valid
  Aradus coarctatus Heidemann, 1907 – valid
  Aradus coloradensis Kormilev, 1964 – valid
  Aradus compressus Heidemann, 1907 – valid
  Aradus concinnus Bergroth, 1892 – valid
  Aradus consors Parshley, 1921 – valid
  Aradus crenatus Say, 1832 – valid
  Aradus curticollis Bergroth, 1913 – valid
  Aradus debilis Uhler, 1876 – valid
  Aradus depictus Van Duzee, 1917 – valid
  Aradus duzeei Bergroth, 1892 – valid
  Aradus evermanni Van Duzee, 1920 – valid
  Aradus falleni Stĺl, 1860 – valid
  Aradus froeschneri Vásárhelyi, 1994 – valid
  Aradus funestus Bergroth, 1913 – valid
  Aradus furnissi Usinger, 1936 – valid
  Aradus furvus Parshley, 1921 – valid
  Aradus fuscipennis Usinger, 1936 – valid
  Aradus fuscomaculatus Stĺl, 1859 – valid
  Aradus gracilicornis Stĺl, 1873 – valid
  Aradus gracilis Parshley, 1929 – valid
  Aradus heidemanni Bergroth, 1906 – valid
  Aradus hesperius Parshley, 1921 – valid
  Aradus implanus Parshley, 1921 – valid
  Aradus inornatus Uhler, 1876 – valid
  Aradus insignitus Parshley, 1921 – valid
  Aradus insolitus Van Duzee, 1916 – valid
  Aradus intectus Parshley, 1921 – valid
  Aradus intermedius Usinger, 1936 – valid
  Aradus kormilevi Heiss, 1980 – valid
  Aradus lawrencei Kormilev, 1966 – valid
  Aradus leachi Van Duzee, 1929 – valid
  Aradus linsleyi Usinger, 1936 – valid
  Aradus lugubris Fallén, 1807 – valid
  Aradus lugubris lugubris Fallén, 1807 – valid
  Aradus lugubris nigricornis Reuter, 1900 – valid
  Aradus marginatus Uhler, 1893 – valid
  Aradus medioximus Parshley, 1921 – valid
  Aradus montanus Bergroth, 1913 – valid
  Aradus niger Stĺl, 1873 – valid
  Aradus nigrinus Parshley, 1921 – valid
  Aradus nigrinus canadensis Parshley, 1929 – valid
  Aradus nigrinus nigrinus Parshley, 1921 – valid
  Aradus occidentalis Kormilev, 1980 – valid
  Aradus opertaneus Parshley, 1921 – valid
  Aradus orbiculus Van Duzee, 1920 – valid
  Aradus oregonicus Kormilev, 1978 – valid
  Aradus ornatus Say, 1832 – valid
  Aradus ovatus Kormilev, 1966 – valid
  Aradus oviventris Kormilev, 1966 – valid
  Aradus paganicus Parshley, 1929 – valid
  Aradus pannosus Van Duzee, 1920 – valid
  Aradus pannosus incomptus Parshley, 1921 – valid
  Aradus pannosus pannosus Van Duzee, 1920 – valid
  Aradus parshleyi Van Duzee, 1920 – valid
  Aradus parvicornis Parshley, 1921 – valid
  Aradus patibulus Van Duzee, 1927 – valid
  Aradus persimilis Van Duzee, 1916 – valid
  Aradus proboscideus Walker, 1873 – valid
  Aradus quadrilineatus Say, 1825 – valid
  Aradus robustus Uhler, 1871 – valid
  Aradus robustus insignis Parshley, 1921 – valid
  Aradus robustus robustus Uhler, 1871 – valid
  Aradus saileri Kormilev, 1966 – valid
  Aradus saskatchewanensis Matsuda, 1980 – valid
  Aradus serratus Usinger, 1936 – valid
  Aradus shermani Heidemann, 1907 – valid
  Aradus signaticornis Sahlberg, 1848 – valid
  Aradus similis Say, 1832 – valid
  Aradus snowi Van Duzee, 1920 – valid
  Aradus subruficeps Hussey, 1953 – valid
  Aradus taylori Van Duzee, 1920 – valid
  Aradus tuberculifer Kirby, 1837 – valid
  Aradus uniannulatus Parshley, 1921 – valid
  Aradus uniformis Heidemann, 1904 – valid
  Aradus usingeri Kormilev, 1978 – valid
  Aradus vadosus Van Duzee, 1920 – valid
  Aradus vandykei Van Duzee, 1927 – valid
  Araecerini Lacordaire, 1876 – valid
  Araecerus Schoenherr, 1823 – valid
  Araecerus coffeae (Fabricius, 1801) – valid
  Araecerus constans Perkins, 1900 – valid
  Araecerus cumingi (Jekel, 1855) – valid – Mauna Loa bean beetle
  Araecerus fasciculatus (De Geer, 1775) – valid – coffee bean weevil
  Araecerus levipennis Jordan, 1924 – valid – koa haole bean beetle
  Araecerus varians Jordan, 1946 – valid
  Araecerus vieillardi (Montrouzier, 1860) – valid
  Araegeus Simon, 1901 – valid
  Araegeus fornasinii (Pavesi, 1881) – valid
  Araegeus mimicus Simon, 1901 – valid
  Araeocorynus Jekel, 1855 – invalid
  Araeocorynus cumingi Jekel, 1855 – invalid – Mauna Loa bean beetle
  Araeoderes Schaeffer, 1906 – valid
  Araeoderes texanus Schaeffer, 1906 – valid
  Araeodontia Barr, 1952 – valid
  Araeodontia isabellae (Wolcott, 1910) – valid
  Araeodontia marginalis Barr, 1952 – valid
  Araeodontia peninsularis (Schaeffer, 1904) – valid
  Araeodontia picipennis (Barr, 1950) – valid
  Araeodontia picta Barr, 1952 – valid
  Araeolaimida – valid
  Araeolaimidae – valid
  Araeolaimoides De Man, 1893 – valid
  Araeolaimoides botula Wieser, 1959 – invalid
  Araeolaimoides demani – invalid
  Araeolaimoides microphthalmus (De Man, 1893) – valid
  Araeolaimoides ovalis Wieser, 1951 – valid
  Araeolaimoides paucisetosus Wieser, 1951 – valid
  Araeolaimus De Man, 1888 – valid
  Araeolaimus bioculatus (De Man, 1976) – valid
  Araeolaimus boomerangifer Wieser, 1959 – valid
  Araeolaimus cylindrolaimus Chitwood, 1936 – invalid
  Araeolaimus demani – valid
  Araeolaimus elegans De Man, 1888 – valid
  Araeolaimus microphthalmus De Man, 1893 – invalid
  Araeolaimus texianus Chitwood, 1951 – valid
  Araeoncus Simon, 1884 – valid
  Araeoncus altissimus Simon, 1884 – valid
  Araeoncus anguineus (L. Koch, 1869) – valid
  Araeoncus caucasicus Tanasevitch, 1987 – valid
  Araeoncus clavatus Tanasevitch, 1987 – valid
  Araeoncus clivifrons Deltshev, 1987 – valid
  Araeoncus convexus Tullgren, 1955 – valid
  Araeoncus crassiceps (Westring, 1861) – valid
  Araeoncus curvatus Tullgren, 1955 – valid
  Araeoncus discedens (Simon, 1881) – valid
  Araeoncus dispar Tullgren, 1955 – valid
  Araeoncus duriusculus Caporiacco, 1935 – valid
  Araeoncus etinde Bosmans & Jocqué, 1983 – valid
  Araeoncus femineus (Roewer, 1942) – valid
  Araeoncus galeriformis (Tanasevitch, 1987) – valid
  Araeoncus gertschi Caporiacco, 1949 – valid
  Araeoncus hanno Simon, 1884 – valid
  Araeoncus humilis (Blackwall, 1841) – valid
  Araeoncus hyalinus Song & Li, 2010 – valid
  Araeoncus impolitus Holm, 1962 – valid
  Araeoncus longispineus Song & Li, 2010 – valid
  Araeoncus longiusculus (O. P.-Cambridge, 1875) – valid
  Araeoncus macrophthalmus Miller, 1970 – valid
  Araeoncus malawiensis Jocqué, 1981 – valid
  Araeoncus martinae Bosmans, 1996 – valid
  Araeoncus mitriformis Tanasevitch, 2008 – valid
  Araeoncus obtusus Bosmans & Jocqué, 1983 – valid
  Araeoncus picturatus Holm, 1962 – valid
  Araeoncus sicanus Brignoli, 1979 – valid
  Araeoncus subniger Holm, 1962 – valid
  Araeoncus tauricus Gnelitsa, 2005 – valid
  Araeoncus toubkal Bosmans, 1996 – valid
  Araeoncus tuberculatus Tullgren, 1955 – valid
  Araeoncus vaporariorum (O. P.-Cambridge, 1875) – valid
  Araeoncus victorianyanzae Berland, 1936 – valid
  Araeoncus viphyensis Jocqué, 1981 – valid
  Araeoncus vorkutensis Tanasevitch, 1984 – valid
  Araeopidiinae Lawrence, 1991 – valid
  Araeopidius Cockerell, 1906 – valid
  Araeopidius monachus (LeConte, 1874) – valid
  Araeopteron Hampson, 1893 – valid
  Araeopteron vilhelmina (Dyar, 1916) – valid
  Araeopus Spinola, 1839 – valid
  Araeopus productus (Walker, 1851) – valid
  Araeosoma – valid
  Araeosoma belli – valid
  Araeosoma fenestratum – valid
  Araeosoma violaceum – valid
  Aragnomus Horn, 1876 – valid
  Aragnomus griseus Horn, 1876 – valid
  Aragnomus hispidulus Casey, 1888 – valid
  Aragnomus setosus Van Dyke, 1936 – valid
  Aragualna Champanhet, Boulard and Gaiani, 2000 – valid
  Aragualna plenalinea Champanhet, Boulard and Gaiani, 2000 – valid
  Araguita González-Sponga, 1987 – valid
  Araguita speciosa González-Sponga, 1987 – valid
  Araias Jordan & Starks, 1904 – invalid
  Araias ariommus Jordan & Starks, 1904 – invalid
  Araiobelus Zimmerman, 1994 – valid
  Araiobelus acicularis (Pascoe, 1872) – valid
  Araiophos Grey, 1961 – valid
  Araiophos eastropas Ahlstrom and Moser, 1969 – valid
  Araiophos gracilis Grey, 1961 – valid
  Araiopontonia Fujino and Miyake, 1970 – valid
  Araiopontonia odontorhyncha Fujino and Miyake, 1970 – valid
  Araiorrhinus Senna, 1893 – valid
  Araiorrhinus armatus Damoiseau, 1987 – valid
  Araiorrhinus beesoni Kleine, 1925 – valid
  Araiorrhinus exportatus Senna, 1893 – invalid
  Araiorrhinus howittii (Pascoe, 1872) – valid
  Araiorrhinus levisulcatus Damoiseau, 1987 – valid
  Araiorrhinus lieftincki Kleine, 1939 – valid
  Araiorrhinus longirostris Senna, 1893 – valid
  Araiorrhinus recurvicosta Damoiseau, 1966 – valid
  Araiorrhinus sondaicus Senna, 1893 – valid
  Araiorrhinus timoriensis Damoiseau, 1987 – valid
  Araiorrhinus zimmermani Mantilleri, 2011 – valid
  Araiya Ramirez, 2003 – valid
  Araiya coccinea (Simon, 1884) – valid
  Araiya pallida (Tullgren, 1902) – valid
  Aralea kaupii Bleeker, 1860 – invalid – Sumatra tonguefish
  Aralius Kuschel, 1990 – valid
  Aramidae – valid – Limpkins, Limpkin
  Aramides Pucheran, 1845 – valid
  Aramides axillaris Lawrence, 1863 – valid – Rascón cuello rufo, Rufous-necked Wood Rail, Rufous-necked Wood-Rail
  Aramides cajanea (Statius Muller, 1776) – valid – Rascón cuello gris, Grey-necked Wood Rail, Gray-necked Wood-Rail
  Aramides cajanea albiventris Lawrence, 1868 – valid
  Aramides cajanea avicenniae Stotz, 1992 – valid
  Aramides cajanea cajanea (Statius Muller, 1776) – valid
  Aramides cajanea latens Bangs & T. E. Penard, 1918 – valid
  Aramides cajanea mexicanus Bangs, 1907 – valid
  Aramides cajanea morrisoni Wetmore, 1946 – valid
  Aramides cajanea pacificus W. Miller & Griscom, 1921 – valid
  Aramides cajanea plumbeicollis Zeledon, 1888 – valid
  Aramides cajanea vanrossemi Dickey, 1929 – valid
  Aramides calopterus P. L. Sclater & Salvin, 1878 – valid – Red-winged Wood Rail
  Aramides mangle (Spix, 1825) – valid – Little Wood Rail
  Aramides saracura (Spix, 1825) – valid – Slaty-breasted Wood Rail
  Aramides wolfi Berlepsch & Taczanowski, 1884 – valid – Brown Wood Rail
  Aramides ypecaha (Vieillot, 1819) – valid – Giant Wood Rail
  Aramidopsis Sharpe, 1893 – valid
  Aramidopsis plateni (W. Blasius, 1886) – valid – Snoring Rail
  Aramigus fulleri Horn, 1876 – invalid
  Aramus Vieillot, 1816 – valid – Limpkins
  Aramus guarauna (Linnaeus, 1766) – valid – Limpkin, Carao
  Aramus guarauna dolosus J. L. Peters, 1925 – valid
  Aramus guarauna elucus J. L. Peters, 1925 – valid
  Aramus guarauna guarauna (Linnaeus, 1766) – valid
  Aramus guarauna pictus (F. A. A. Meyer, 1794) – valid
  Arandisa Lawrence, 1938 – valid
  Arandisa deserticola Lawrence, 1938 – valid
  Araneae – valid – spiders, aranhas, araignées, arańas
  Araneaster Hesse, 1925 – valid
  Araneaster granulosus Hesse, 1925 – valid
  Araneidae Clerck, 1757 – valid – orbweavers
  Araneops Costa, 1853 – invalid
  Araneotanna Özdikmen & Kury, 2006 – valid
  Araneotanna ornatipes (Berland, 1938) – valid
  Araneus Clerck, 1757 – valid – roundshouldered orbweavers, angulate orbweavers
  Araneus aballensis (Strand, 1906) – valid
  Araneus abeicus Levi, 1991 – valid
  Araneus abigeatus Levi, 1975 – valid
  Araneus acachmenus Rainbow, 1916 – valid
  Araneus acolla Levi, 1991 – valid
  Araneus acrocephalus (Thorell, 1887) – valid
  Araneus acronotus (Grube, 1861) – valid
  Araneus acropygus (Thorell, 1877) – valid
  Araneus acuminatus (L. Koch, 1872) – valid
  Araneus acusisetus Zhu & Song, 1994 – valid
  Araneus adiantiformis Caporiacco, 1941 – valid
  Araneus adjuntaensis (Petrunkevitch, 1930) – valid
  Araneus aethiopicus (Roewer, 1961) – valid
  Araneus aethiopissa Simon, 1907 – valid
  Araneus affinis Zhu, Tu & Hu, 1988 – valid
  Araneus agastus Rainbow, 1916 – valid
  Araneus akakensis (Strand, 1906) – valid
  Araneus aksuensis Yin, Xie & Bao, 1996 – valid
  Araneus albabdominalis Zhu et al., 2005 – valid
  Araneus albiaculeis (Strand, 1906) – valid
  Araneus albidus (L. Koch, 1871) – valid
  Araneus albilunatus Roewer, 1961 – valid
  Araneus albomaculatus Yin et al., 1990 – valid
  Araneus alboquadratus Dyal, 1935 – valid
  Araneus albotriangulus (Keyserling, 1887) – valid
  Araneus alboventris (Emerton, 1884) – valid
  Araneus alhue Levi, 1991 – valid
  Araneus allani Levi, 1973 – valid
  Araneus alsine (Walckenaer, 1802) – valid
  Araneus altitudinum Caporiacco, 1934 – valid
  Araneus amabilis Tanikawa, 2001 – valid
  Araneus amblycyphus Simon, 1908 – valid
  Araneus amurius Bakhvalov, 1981 – valid
  Araneus amygdalaceus (Keyserling, 1864) – valid
  Araneus ana Levi, 1991 – valid
  Araneus anantnagensis Tikader & Bal, 1981 – valid
  Araneus anaspastus (Thorell, 1892) – valid
  Araneus anatipes (Keyserling, 1887) – valid
  Araneus ancurus Zhu, Tu & Hu, 1988 – valid
  Araneus andrewsi (Archer, 1951) – valid
  Araneus anguinifer (F. O. P.-Cambridge, 1904) – valid
  Araneus angulatus Clerck, 1757 – valid
  Araneus angulatus afolius (Franganillo, 1909) – valid
  Araneus angulatus angulatus Clerck, 1757 – valid
  Araneus angulatus atricolor Simon, 1929 – valid
  Araneus angulatus castaneus (Franganillo, 1909) – valid
  Araneus angulatus crucinceptus (Franganillo, 1909) – valid
  Araneus angulatus fuscus (Franganillo, 1909) – valid
  Araneus angulatus iberoi (Franganillo, 1909) – valid
  Araneus angulatus levifolius (Franganillo, 1909) – valid
  Araneus angulatus niger (Franganillo, 1918) – valid
  Araneus angulatus nitidifolius (Franganillo, 1909) – valid
  Araneus angulatus pallidus (Franganillo, 1909) – valid
  Araneus angulatus personatus Simon, 1929 – valid
  Araneus angulatus serifolius (Franganillo, 1909) – valid
  Araneus anjonensis Schenkel, 1963 – valid
  Araneus annuliger (Thorell, 1898) – valid
  Araneus annulipes (Lucas, 1838) – valid
  Araneus apache Levi, 1975 – valid
  Araneus apicalis (Thorell, 1899) – valid
  Araneus apiculatus (Thorell, 1895) – valid
  Araneus apobleptus Rainbow, 1916 – valid
  Araneus appendiculatus (Taczanowski, 1873) – valid
  Araneus apricus (Karsch, 1884) – valid
  Araneus aragua Levi, 2008 – valid
  Araneus aralis Bakhvalov, 1981 – valid
  Araneus arenaceus (Keyserling, 1886) – valid
  Araneus arfakianus (Thorell, 1881) – valid
  Araneus arganicola Simon, 1909 – valid
  Araneus argentarius Rainbow, 1916 – valid
  Araneus arizonensis (Banks, 1900) – valid
  Araneus asiaticus Bakhvalov, 1983 – valid
  Araneus aubertorum Berland, 1938 – valid
  Araneus aurantiifemuris (Mello-Leitao, 1942) – valid
  Araneus auriculatus Song & Zhu, 1992 – valid
  Araneus axacus Levi, 1991 – valid
  Araneus badiofoliatus Schenkel, 1963 – valid
  Araneus badongensis Song & Zhu, 1992 – valid
  Araneus bagamoyensis (Strand, 1906) – valid
  Araneus baicalicus Bakhvalov, 1981 – valid
  Araneus balanus (Doleschall, 1859) – valid
  Araneus bandelieri (Simon, 1891) – valid
  Araneus bantaengi Merian, 1911 – valid
  Araneus bargusinus Bakhvalov, 1981 – valid
  Araneus basalteus Schenkel, 1936 – valid
  Araneus bastarensis Gajbe, 2005 – valid
  Araneus baul Levi, 1991 – valid
  Araneus beebei Petrunkevitch, 1914 – valid
  Araneus beijiangensis Hu & Wu, 1989 – valid
  Araneus biapicatifer (Strand, 1907) – valid
  Araneus bicavus Zhu & Wang, 1994 – valid
  Araneus bicentenarius (McCook, 1888) – valid
  Araneus bigibbosus (O. P.-Cambridge, 1885) – valid
  Araneus bihamulus Zhu et al., 2005 – valid
  Araneus bilunifer Pocock, 1900 – valid
  Araneus bimaculicollis Hu, 2001 – valid
  Araneus bimini Levi, 1991 – valid
  Araneus biprominens Yin, Wang & Xie, 1989 – valid
  Araneus bipunctatus (Thorell, 1898) – valid
  Araneus bipunctatus Franganillo, 1931 – valid
  Araneus bispinosus (Keyserling, 1885) – valid
  Araneus bivittatus (Walckenaer, 1841) – valid
  Araneus blaisei Simon, 1909 – valid
  Araneus blochmanni (Strand, 1907) – valid
  Araneus blumenau Levi, 1991 – valid
  Araneus boerneri (Strand, 1907) – valid
  Araneus boerneri boerneri (Strand, 1907) – valid
  Araneus boerneri clavimaculus (Strand, 1907) – valid
  Araneus boerneri obscurellus (Strand, 1907) – valid
  Araneus boesenbergi (Fox, 1938) – valid
  Araneus bogotensis (Keyserling, 1864) – valid
  Araneus boneti Levi, 1991 – valid
  Araneus bonsallae (McCook, 1894) – valid
  Araneus borealis Tanikawa, 2001 – valid
  Araneus boreus Uyemura & Yaginuma, 1972 – valid
  Araneus bosmani Simon, 1903 – valid
  Araneus bradleyi (Keyserling, 1887) – valid
  Araneus braueri (Strand, 1906) – valid
  Araneus brisbanae (L. Koch, 1867) – valid
  Araneus bryantae Brignoli, 1983 – valid
  Araneus bufo (Denis, 1941) – valid
  Araneus caballo Levi, 1991 – valid
  Araneus calusa Levi, 1973 – valid
  Araneus camilla (Simon, 1889) – valid
  Araneus canacus Berland, 1931 – valid
  Araneus canalae Berland, 1924 – valid
  Araneus canestrinii (Thorell, 1873) – valid
  Araneus caplandensis (Strand, 1907) – valid
  Araneus carabellus (Strand, 1913) – valid
  Araneus carchi Levi, 1991 – valid
  Araneus cardioceros Pocock, 1899 – valid
  Araneus carimagua Levi, 1991 – valid
  Araneus carnifex (O. P.-Cambridge, 1885) – valid
  Araneus carroll Levi, 1973 – valid
  Araneus castilho Levi, 1991 – valid
  Araneus catillatus (Thorell, 1895) – valid
  Araneus catospilotus Simon, 1907 – valid
  Araneus caudifer Kulczynski, 1911 – valid
  Araneus cavaticus (Keyserling, 1881) – valid – barn orbweaver
  Araneus celebensis Merian, 1911 – valid
  Araneus cercidius Yin et al., 1990 – valid
  Araneus cereolus (Simon, 1886) – valid
  Araneus chiapas Levi, 1991 – valid
  Araneus chiaramontei Caporiacco, 1940 – valid
  Araneus chingaza Levi, 1991 – valid
  Araneus chunhuaia Zhu, Tu & Hu, 1988 – valid
  Araneus chunlin Yin et al., 2009 – valid
  Araneus cingulatus (Walckenaer, 1841) – valid
  Araneus circe (Audouin, 1826) – valid
  Araneus circe circe (Audouin, 1826) – valid
  Araneus circe strandi (Kolosváry, 1935) – valid
  Araneus circellus Song & Zhu, 1992 – valid
  Araneus circulissparsus (Keyserling, 1887) – valid
  Araneus circumbasilaris Yin et al., 1990 – valid
  Araneus coccinella Pocock, 1898 – valid
  Araneus cochise Levi, 1973 – valid
  Araneus cohnae Levi, 1991 – valid
  Araneus colima Levi, 1991 – valid
  Araneus colubrinus Song & Zhu, 1992 – valid
  Araneus compsus (Soares & Camargo, 1948) – valid
  Araneus comptus Rainbow, 1916 – valid
  Araneus comptus comptus Rainbow, 1916 – valid
  Araneus comptus fuscocapitatus Rainbow, 1916 – valid
  Araneus concepcion Levi, 1991 – valid
  Araneus concinnus Rainbow, 1900 – valid
  Araneus concoloratus (F. O. P.-Cambridge, 1904) – valid
  Araneus corbita (L. Koch, 1871) – valid
  Araneus corporosus (Keyserling, 1892) – valid
  Araneus corticaloides (Roewer, 1955) – valid
  Araneus corticarius (Emerton, 1884) – valid
  Araneus crinitus (Rainbow, 1893) – valid
  Araneus crispulus Tullgren, 1952 – valid
  Araneus cristobal Levi, 1991 – valid
  Araneus cuiaba Levi, 1991 – valid
  Araneus cungei Bakhvalov, 1974 – valid
  Araneus cyclops Caporiacco, 1940 – valid
  Araneus cylindriformis (Roewer, 1942) – valid
  Araneus cyphoxis Simon, 1908 – valid
  Araneus cyrtarachnoides (Keyserling, 1887) – valid
  Araneus daozhenensis Zhu et al., 2005 – valid
  Araneus dayongensis Yin et al., 1990 – valid
  Araneus decaisnei (Lucas, 1863) – valid
  Araneus decentellus (Strand, 1907) – valid
  Araneus decolor (L. Koch, 1871) – valid
  Araneus decoratus (Thorell, 1899) – valid
  Araneus demoniacus Caporiacco, 1939 – valid
  Araneus depressatulus (Roewer, 1942) – valid
  Araneus desierto Levi, 1991 – valid
  Araneus detrimentosus (O. P.-Cambridge, 1889) – valid
  Araneus diabrosis (Walckenaer, 1841) – valid
  Araneus diadematoides Zhu, Tu & Hu, 1988 – valid
  Araneus diadematus Clerck, 1757 – valid – cross orbweaver
  Araneus diadematus diadematus Clerck, 1757 – valid
  Araneus diadematus islandicus (Strand, 1906) – valid
  Araneus diadematus nemorosus Simon, 1929 – valid
  Araneus diadematus soror (Simon, 1874) – valid
  Araneus diadematus stellatus (C. L. Koch, 1836) – valid
  Araneus dianiphus Rainbow, 1916 – valid
  Araneus dianiphus dianiphus Rainbow, 1916 – valid
  Araneus dianiphus xanthostichus Rainbow, 1916 – valid
  Araneus diffinis Zhu, Tu & Hu, 1988 – valid
  Araneus dimidiatus (L. Koch, 1871) – valid
  Araneus diversicolor (Rainbow, 1893) – valid
  Araneus doenitzellus (Strand, 1906) – valid
  Araneus dofleini (Bösenberg & Strand, 1906) – valid
  Araneus dospinolongus Barrion & Litsinger, 1995 – valid
  Araneus dreisbachi Levi, 1991 – valid
  Araneus drygalskii (Strand, 1909) – valid
  Araneus ealensis Giltay, 1935 – valid
  Araneus eburneiventris (Simon, 1908) – valid
  Araneus eburnus (Keyserling, 1886) – valid
  Araneus ejusmodi Bösenberg & Strand, 1906 – valid
  Araneus elatatus (Strand, 1911) – valid
  Araneus elizabethae Levi, 1991 – valid
  Araneus ellipticus (Tikader & Bal, 1981) – valid
  Araneus elongatus Yin, Wang & Xie, 1989 – valid
  Araneus emmae Simon, 1900 – valid
  Araneus enucleatus (Karsch, 1879) – valid
  Araneus enyoides (Thorell, 1877) – valid
  Araneus excavatus Franganillo, 1930 – valid
  Araneus expletus (O. P.-Cambridge, 1889) – valid
  Araneus exsertus Rainbow, 1904 – valid
  Araneus fastidiosus (Keyserling, 1887) – valid
  Araneus favorabilis Rainbow, 1916 – valid
  Araneus faxoni (Bryant, 1940) – valid
  Araneus fengshanensis Zhu & Song, 1994 – valid
  Araneus ferganicus Bakhvalov, 1983 – valid
  Araneus ferrugineus (Thorell, 1877) – valid
  Araneus fictus (Rainbow, 1896) – valid
  Araneus finneganae Berland, 1938 – valid
  Araneus fishoekensis (Strand, 1909) – valid
  Araneus fistulosus Franganillo, 1930 – valid
  Araneus flagelliformis Zhu & Yin, 1997 – valid
  Araneus flavisternis (Thorell, 1878) – valid
  Araneus flavisternis flavisternis (Thorell, 1878) – valid
  Araneus flavisternis momiensis (Thorell, 1881) – valid
  Araneus flavopunctatus (L. Koch, 1871) – valid
  Araneus flavosellatus Simon, 1895 – valid
  Araneus flavosignatus (Roewer, 1942) – valid
  Araneus flavus (O. P.-Cambridge, 1894) – valid
  Araneus floriatus Hogg, 1914 – valid
  Araneus formosellus (Roewer, 1942) – valid
  Araneus frio Levi, 1991 – valid
  Araneus fronki Levi, 1991 – valid
  Araneus frosti (Hogg, 1896) – valid
  Araneus fulvellus (Roewer, 1942) – valid
  Araneus fuscinotus (Strand, 1908) – valid
  Araneus gadus Levi, 1973 – valid
  Araneus galero Levi, 1991 – valid
  Araneus gazerti (Strand, 1909) – valid
  Araneus geminatus (Thorell, 1881) – valid
  Araneus gemma (McCook, 1888) – valid
  Araneus gemmoides Chamberlin & Ivie, 1935 – valid
  Araneus gerais Levi, 1991 – valid
  Araneus gestrellus (Strand, 1907) – valid
  Araneus gestroi (Thorell, 1881) – valid
  Araneus gibber (O. P.-Cambridge, 1885) – valid
  Araneus ginninderranus Dondale, 1966 – valid
  Araneus goniaeoides (Strand, 1915) – valid
  Araneus goniaeus (Thorell, 1878) – valid
  Araneus goniaeus goniaeus (Thorell, 1878) – valid
  Araneus goniaeus virens (Thorell, 1890) – valid
  Araneus graemii Pocock, 1900 – valid
  Araneus granadensis (Keyserling, 1864) – valid
  Araneus granti Hogg, 1914 – valid
  Araneus gratiolus Yin et al., 1990 – valid
  Araneus groenlandicola (Strand, 1906) – valid
  Araneus grossus (C. L. Koch, 1844) – valid
  Araneus guandishanensis Zhu, Tu & Hu, 1988 – valid
  Araneus guatemus Levi, 1991 – valid
  Araneus guerrerensis Chamberlin & Ivie, 1936 – valid
  Araneus guessfeldi (Karsch, 1879) – valid
  Araneus gundlachi (Banks, 1914) – valid
  Araneus gurdus (O. P.-Cambridge, 1885) – valid
  Araneus guttatus (Keyserling, 1865) – valid
  Araneus guttulatus (Walckenaer, 1841) – valid
  Araneus habilis (O. P.-Cambridge, 1889) – valid
  Araneus haematomerus (Gerstäcker, 1873) – valid
  Araneus hamiltoni (Rainbow, 1893) – valid
  Araneus hampei Simon, 1895 – valid
  Araneus haploscapellus (Strand, 1907) – valid
  Araneus haruspex (O. P.-Cambridge, 1885) – valid
  Araneus herbeus (Thorell, 1890) – valid
  Araneus hierographicus Simon, 1909 – valid
  Araneus himalayanus (Simon, 1889) – valid
  Araneus hirsti Lessert, 1915 – valid
  Araneus hirsutulus (Stoliczka, 1869) – valid
  Araneus hispaniola (Bryant, 1945) – valid
  Araneus holzapfelae Lessert, 1936 – valid
  Araneus horizonte Levi, 1991 – valid
  Araneus hortensis (Blackwall, 1859) – valid
  Araneus hoshi Tanikawa, 2001 – valid
  Araneus hotteiensis (Bryant, 1945) – valid
  Araneus huahun Levi, 1991 – valid
  Araneus hui Hu, 2001 – valid
  Araneus huixtla Levi, 1991 – valid
  Araneus humilis (L. Koch, 1867) – valid
  Araneus idoneus (Keyserling, 1887) – valid
  Araneus iguacu Levi, 1991 – valid
  Araneus illaudatus (Gertsch & Mulaik, 1936) – valid
  Araneus indistinctus (Doleschall, 1859) – valid
  Araneus inquietus (Keyserling, 1887) – valid
  Araneus interjectus (L. Koch, 1871) – valid
  Araneus inustus (L. Koch, 1871) – valid
  Araneus iriomotensis Tanikawa, 2001 – valid
  Araneus isabella (Vinson, 1863) – valid
  Araneus ishisawai Kishida, 1920 – valid
  Araneus iviei (Archer, 1951) – valid
  Araneus jalimovi Bakhvalov, 1981 – valid
  Araneus jalisco Levi, 1991 – valid
  Araneus jamundi Levi, 1991 – valid
  Araneus juniperi (Emerton, 1884) – valid
  Araneus kalaharensis Simon, 1910 – valid
  Araneus kapiolaniae Simon, 1900 – valid
  Araneus karissimbicus (Strand, 1913) – valid
  Araneus kerr Levi, 1981 – valid
  Araneus kirgisikus Bakhvalov, 1974 – valid
  Araneus kiwuanus (Strand, 1913) – valid
  Araneus klaptoczi Simon, 1908 – valid
  Araneus koepckeorum Levi, 1991 – valid
  Araneus komi Tanikawa, 2001 – valid
  Araneus kraepelini (Lenz, 1891) – valid
  Araneus lacrymosus (Walckenaer, 1841) – valid
  Araneus ladschicola (Strand, 1906) – valid
  Araneus lamperti (Strand, 1907) – valid
  Araneus lancearius (Keyserling, 1887) – valid
  Araneus lanio Levi, 1991 – valid
  Araneus lateriguttatus (Karsch, 1879) – valid
  Araneus lathyrinus (Holmberg, 1875) – valid
  Araneus latirostris (Thorell, 1895) – valid
  Araneus leai (Rainbow, 1894) – valid
  Araneus lechugalensis (Keyserling, 1883) – valid
  Araneus legonensis Grasshoff & Edmunds, 1979 – valid
  Araneus lenkoi Levi, 1991 – valid
  Araneus lenzi (Roewer, 1942) – valid
  Araneus leones Levi, 1991 – valid
  Araneus liae Yin et al., 2009 – valid
  Araneus liber (Leardi, 1902) – valid
  Araneus liberalis Rainbow, 1902 – valid
  Araneus liberiae (Strand, 1906) – valid
  Araneus licenti Schenkel, 1953 – valid
  Araneus lineatipes (O. P.-Cambridge, 1889) – valid
  Araneus lineatus Franganillo, 1931 – valid
  Araneus linshuensis Yin et al., 1990 – valid
  Araneus lintatus Levi, 1991 – valid
  Araneus linzhiensis Hu, 2001 – valid
  Araneus lithyphantiformis (Kishida, 1910) – valid
  Araneus lixicolor (Thorell, 1895) – valid
  Araneus loczyanus (Lendl, 1898) – valid
  Araneus lodicula (Keyserling, 1887) – valid
  Araneus longicaudus (Thorell, 1877) – valid
  Araneus luteofaciens (Roewer, 1942) – valid
  Araneus lutulentus (Keyserling, 1886) – valid
  Araneus macacus Uyemura, 1961 – valid
  Araneus macleayi (Bradley, 1876) – valid
  Araneus madagascaricus (Strand, 1908) – valid
  Araneus mamillanus (Keyserling, 1887) – valid
  Araneus mammatus (Archer, 1951) – valid
  Araneus mangarevoides (Bösenberg & Strand, 1906) – valid
  Araneus margaritae Caporiacco, 1940 – valid
  Araneus margitae (Strand, 1917) – valid
  Araneus mariposa Levi, 1973 – valid
  Araneus marmoreus Clerck, 1757 – valid – marbled orbweaver
  Araneus marmoreus marmoreus Clerck, 1757 – valid
  Araneus marmoreus trapezius (Franganillo, 1913) – valid
  Araneus marmoroides Schenkel, 1953 – valid
  Araneus masculus Caporiacco, 1941 – valid
  Araneus masoni (Simon, 1887) – valid
  Araneus mastersi (Bradley, 1876) – valid
  Araneus matogrosso Levi, 1991 – valid
  Araneus mauensis Caporiacco, 1949 – valid
  Araneus mauensis mauensis Caporiacco, 1949 – valid
  Araneus mauensis ocellatus Caporiacco, 1949 – valid
  Araneus mayumiae Tanikawa, 2001 – valid
  Araneus mazamitla Levi, 1991 – valid
  Araneus mbogaensis (Strand, 1913) – valid
  Araneus memoryi Hogg, 1900 – valid
  Araneus mendoza Levi, 1991 – valid
  Araneus menglunensis Yin et al., 1990 – valid
  Araneus meropes (Keyserling, 1865) – valid
  Araneus mertoni (Strand, 1911) – valid
  Araneus metalis (Thorell, 1887) – valid
  Araneus metellus (Strand, 1907) – valid
  Araneus meus (Strand, 1907) – valid
  Araneus miami Levi, 1973 – valid
  Araneus microsoma (Banks, 1909) – valid
  Araneus microtuberculatus Petrunkevitch, 1914 – valid
  Araneus mimosicola (Simon, 1884) – valid
  Araneus minahassae Merian, 1911 – valid
  Araneus miniatus (Walckenaer, 1841) – valid
  Araneus minutalis (Simon, 1889) – valid
  Araneus miquanensis Yin et al., 1990 – valid
  Araneus missouri Levi, 2008 – valid
  Araneus mitificus (Simon, 1886) – valid
  Araneus monica Levi, 1973 – valid
  Araneus monoceros (Thorell, 1895) – valid
  Araneus montereyensis (Archer, 1951) – valid
  Araneus moretonae Levi, 1991 – valid
  Araneus mortoni (Urquhart, 1891) – valid
  Araneus morulus (Thorell, 1898) – valid
  Araneus mossambicanus (Pavesi, 1881) – valid
  Araneus motuoensis Yin et al., 1990 – valid
  Araneus mulierarius (Keyserling, 1887) – valid
  Araneus musawas Levi, 1991 – valid
  Araneus myurus (Thorell, 1877) – valid
  Araneus nacional Levi, 1991 – valid
  Araneus nashoba Levi, 1973 – valid
  Araneus necopinus (Keyserling, 1887) – valid
  Araneus neocaledonicus Berland, 1924 – valid
  Araneus nephelodes (Thorell, 1890) – valid
  Araneus nidus Yin & Gong, 1996 – valid
  Araneus nigmanni (Strand, 1906) – valid
  Araneus nigricaudus Simon, 1897 – valid
  Araneus nigrodecoratus (Strand, 1908) – valid
  Araneus nigroflavornatus Merian, 1911 – valid
  Araneus nigromaculatus Schenkel, 1963 – valid
  Araneus nigropunctatus (L. Koch, 1871) – valid
  Araneus nigroquadratus Lawrence, 1937 – valid
  Araneus niveus (Hentz, 1847) – valid
  Araneus noegeatus (Thorell, 1895) – valid
  Araneus nojimai Tanikawa, 2001 – valid
  Araneus nordmanni (Thorell, 1870) – valid
  Araneus nossibeus (Strand, 1907) – valid
  Araneus notacephalus (Urquhart, 1891) – valid
  Araneus notandus Rainbow, 1912 – valid
  Araneus noumeensis (Simon, 1880) – valid
  Araneus novaepommerianae (Strand, 1913) – valid
  Araneus nox (Simon, 1877) – valid
  Araneus nuboso Levi, 1991 – valid
  Araneus nympha (Simon, 1889) – valid
  Araneus obscurissimus Caporiacco, 1934 – valid
  Araneus obscurtus (Urquhart, 1893) – valid
  Araneus obtusatus (Karsch, 1891) – valid
  Araneus ocaxa Levi, 1991 – valid
  Araneus ocellatulus (Roewer, 1942) – valid
  Araneus octodentalis Song & Zhu, 1992 – valid
  Araneus octumaculalus Han & Zhu, 2010 – valid
  Araneus ogatai Tanikawa, 2001 – valid
  Araneus omnicolor (Keyserling, 1893) – valid
  Araneus orgaos Levi, 1991 – valid
  Araneus origenus (Thorell, 1890) – valid
  Araneus oxygaster Caporiacco, 1940 – valid
  Araneus oxyurus (Thorell, 1877) – valid
  Araneus paenulatus (O. P.-Cambridge, 1885) – valid
  Araneus pahalgaonensis Tikader & Bal, 1981 – valid
  Araneus pahli (Strand, 1906) – valid
  Araneus paitaensis Schenkel, 1953 – valid
  Araneus pallasi (Thorell, 1875) – valid
  Araneus pallescens (Lenz, 1891) – valid
  Araneus pallidus (Olivier, 1789) – valid
  Araneus panchganiensis Tikader & Bal, 1981 – valid
  Araneus panniferens (O. P.-Cambridge, 1885) – valid
  Araneus papulatus (Thorell, 1887) – valid
  Araneus partitus (Walckenaer, 1841) – valid
  Araneus parvulus Rainbow, 1900 – valid
  Araneus parvus (Karsch, 1878) – valid
  Araneus pauxillus (Thorell, 1887) – valid
  Araneus pavlovi Schenkel, 1953 – valid
  Araneus pecuensis (Karsch, 1881) – valid
  Araneus pegnia (Walckenaer, 1841) – valid
  Araneus pellax (O. P.-Cambridge, 1885) – valid
  Araneus penai Levi, 1991 – valid
  Araneus pentagrammicus (Karsch, 1879) – valid
  Araneus perincertus Caporiacco, 1947 – valid
  Araneus petersi (Karsch, 1878) – valid
  Araneus pfeifferae (Thorell, 1877) – valid
  Araneus phaleratus (Urquhart, 1893) – valid
  Araneus phlyctogena Simon, 1907 – valid
  Araneus phyllonotus (Thorell, 1887) – valid
  Araneus pichoni Schenkel, 1963 – valid
  Araneus pico Levi, 1991 – valid
  Araneus pictithorax (Hasselt, 1882) – valid
  Araneus pinguis (Karsch, 1879) – valid
  Araneus pistiger Simon, 1899 – valid
  Araneus pius (Karsch, 1878) – valid
  Araneus plenus Yin et al., 2009 – valid
  Araneus pogisa (Marples, 1957) – valid
  Araneus poltyoides Chrysanthus, 1971 – valid
  Araneus polydentatus Yin, Griswold & Xu, 2007 – valid
  Araneus pontii Caporiacco, 1934 – valid
  Araneus popaco Levi, 1991 – valid
  Araneus postilena (Thorell, 1878) – valid
  Araneus poumotuus (Strand, 1913) – valid
  Araneus praedatus (O. P.-Cambridge, 1885) – valid
  Araneus praesignis (L. Koch, 1872) – valid
  Araneus prasius (Thorell, 1890) – valid
  Araneus pratensis (Emerton, 1884) – valid
  Araneus principis Simon, 1907 – valid
  Araneus pronubus (Rainbow, 1894) – valid
  Araneus prospiciens (Thorell, 1890) – valid
  Araneus providens Kulczynski, 1911 – valid
  Araneus prunus Levi, 1973 – valid
  Araneus pseudoconicus Schenkel, 1936 – valid
  Araneus pseudosturmii Yin et al., 1990 – valid
  Araneus pseudoventricosus Schenkel, 1963 – valid
  Araneus psittacinus (Keyserling, 1887) – valid
  Araneus pudicus (Thorell, 1898) – valid
  Araneus puebla Levi, 1991 – valid
  Araneus pulcherrimus (Roewer, 1942) – valid
  Araneus pulchriformis (Roewer, 1942) – valid
  Araneus punctipedellus (Strand, 1908) – valid
  Araneus pupulus (Thorell, 1890) – valid
  Araneus purus (Simon, 1907) – valid
  Araneus qianshan Zhu, Zhang & Li, 1998 – valid
  Araneus quadratus Clerck, 1757 – valid
  Araneus quadratus minimus (Gétaz, 1889) – valid
  Araneus quadratus quadratus Clerck, 1757 – valid
  Araneus quadratus subviridis (Franganillo, 1913) – valid
  Araneus quietus (Keyserling, 1887) – valid
  Araneus quirapan Levi, 1991 – valid
  Araneus rabiosulus (Keyserling, 1887) – valid
  Araneus radja (Doleschall, 1857) – valid
  Araneus ragnhildae (Strand, 1917) – valid
  Araneus rainbowi (Roewer, 1942) – valid
  Araneus ramulosus (Keyserling, 1887) – valid
  Araneus rani (Thorell, 1881) – valid
  Araneus rarus (Keyserling, 1887) – valid
  Araneus raui (Strand, 1907) – valid
  Araneus recherchensis (Main, 1954) – valid
  Araneus relicinus (Keyserling, 1887) – valid
  Araneus repetecus Bakhvalov, 1978 – valid
  Araneus riveti Berland, 1913 – valid
  Araneus roseomaculatus Ono, 1992 – valid
  Araneus rotundicornis Yaginuma, 1972 – valid
  Araneus rotundulus (Keyserling, 1887) – valid
  Araneus royi Roewer, 1961 – valid
  Araneus rubicundulus (Keyserling, 1887) – valid
  Araneus rubripunctatus (Rainbow, 1893) – valid
  Araneus rubrivitticeps (Strand, 1911) – valid
  Araneus rufipes (O. P.-Cambridge, 1889) – valid
  Araneus russicus Bakhvalov, 1981 – valid
  Araneus ryukyuanus Tanikawa, 2001 – valid
  Araneus saccalava (Strand, 1907) – valid
  Araneus saevus (L. Koch, 1872) – valid
  Araneus sagicola (Dönitz & Strand, 1906) – valid
  Araneus salto Levi, 1991 – valid
  Araneus sambava (Strand, 1907) – valid
  Araneus santacruziensis Barrion & Litsinger, 1995 – valid
  Araneus santarita (Archer, 1951) – valid
  Araneus savesi (Simon, 1880) – valid
  Araneus schneblei Levi, 1991 – valid
  Araneus schrencki (Grube, 1861) – valid
  Araneus scutellatus Schenkel, 1963 – valid
  Araneus scutifer (Keyserling, 1886) – valid
  Araneus scutigerens Hogg, 1900 – valid
  Araneus selva Levi, 1991 – valid
  Araneus seminiger (L. Koch, 1878) – valid
  Araneus senicaudatus Simon, 1908 – valid
  Araneus senicaudatus senicaudatus Simon, 1908 – valid
  Araneus senicaudatus simplex Simon, 1908 – valid
  Araneus separatus (Roewer, 1942) – valid
  Araneus septemtuberculatus (Thorell, 1899) – valid
  Araneus sericinus (Roewer, 1942) – valid
  Araneus sernai Levi, 1991 – valid
  Araneus shunhuangensis Yin et al., 1990 – valid
  Araneus sicki Levi, 1991 – valid
  Araneus simillimus Kulczynski, 1911 – valid
  Araneus singularis (Urquhart, 1891) – valid
  Araneus sinistrellus (Roewer, 1942) – valid
  Araneus sinuosus (Rainbow, 1893) – valid
  Araneus sogdianus Charitonov, 1969 – valid
  Araneus spathurus (Thorell, 1890) – valid
  Araneus speculabundus (L. Koch, 1871) – valid
  Araneus sponsus (Thorell, 1887) – valid
  Araneus squamifer (Keyserling, 1886) – valid
  Araneus stabilis (Keyserling, 1892) – valid
  Araneus stella (Karsch, 1879) – valid
  Araneus stolidus (Keyserling, 1887) – valid
  Araneus strandiellus Charitonov, 1951 – valid
  Araneus striatipes (Simon, 1877) – valid
  Araneus strigatellus (Strand, 1908) – valid
  Araneus strupifer (Simon, 1886) – valid
  Araneus sturmi (Hahn, 1831) – valid
  Araneus suavis Rainbow, 1899 – valid
  Araneus subflavidus (Urquhart, 1893) – valid
  Araneus subumbrosus Roewer, 1961 – valid
  Araneus sulfurinus (Pavesi, 1883) – valid
  Araneus svanetiensis Mcheidze, 1997 – valid
  Araneus sydneyicus (Keyserling, 1887) – valid
  Araneus sylvicola (Rainbow, 1897) – valid
  Araneus taigunensis Zhu, Tu & Hu, 1988 – valid
  Araneus talasi Bakhvalov, 1970 – valid
  Araneus talca Levi, 1991 – valid
  Araneus talipedatus (Keyserling, 1887) – valid
  Araneus tambopata Levi, 1991 – valid
  Araneus tamerlani (Roewer, 1942) – valid
  Araneus taperae (Mello-Leitao, 1937) – valid
  Araneus tartaricus (Kroneberg, 1875) – valid
  Araneus tatianae Lessert, 1938 – valid
  Araneus tatsulokeus Barrion & Litsinger, 1995 – valid
  Araneus tellezi Levi, 1991 – valid
  Araneus tenancingo Levi, 1991 – valid
  Araneus tenerius Yin et al., 1990 – valid
  Araneus tengxianensis Zhu & Zhang, 1994 – valid
  Araneus tepic Levi, 1991 – valid
  Araneus tetraspinulus (Yin et al., 1990) – valid
  Araneus texanus (Archer, 1951) – valid
  Araneus thaddeus (Hentz, 1847) – valid – lattice orbweaver
  Araneus thevenoti Simon, 1895 – valid
  Araneus thorelli (Roewer, 1942) – valid
  Araneus tiganus (Chamberlin, 1916) – valid
  Araneus tijuca Levi, 1991 – valid
  Araneus tinikdikitus Barrion & Litsinger, 1995 – valid
  Araneus titirus Simon, 1896 – valid
  Araneus toma (Strand, 1915) – valid
  Araneus tonkinus Simon, 1909 – valid
  Araneus toruaigiri Bakhvalov, 1970 – valid
  Araneus transversivittiger (Strand, 1907) – valid
  Araneus transversus Rainbow, 1912 – valid
  Araneus triangulus (Fox, 1938) – valid
  Araneus tricoloratus Zhu, Tu & Hu, 1988 – valid
  Araneus trifolium (Hentz, 1847) – valid – shamrock orbweaver
  Araneus trigonophorus (Thorell, 1887) – valid
  Araneus triguttatus (Fabricius, 1793) – valid
  Araneus tschuiskii Bakhvalov, 1974 – valid
  Araneus tsurusakii Tanikawa, 2001 – valid
  Araneus tubabdominus Zhu & Zhang, 1993 – valid
  Araneus tuscarora Levi, 1973 – valid
  Araneus ubicki Levi, 1991 – valid
  Araneus unanimus (Keyserling, 1879) – valid
  Araneus uniformis (Keyserling, 1879) – valid
  Araneus unistriatus (McCook, 1894) – valid
  Araneus urbanus (Keyserling, 1887) – valid
  Araneus urquharti (Roewer, 1942) – valid
  Araneus ursimorphus (Strand, 1906) – valid
  Araneus uruapan Levi, 1991 – valid
  Araneus urubamba Levi, 1991 – valid
  Araneus usualis (Keyserling, 1887) – valid
  Araneus uyemurai Yaginuma, 1960 – valid
  Araneus v-notatus (Thorell, 1875) – valid
  Araneus variegatus Yaginuma, 1960 – valid
  Araneus venatrix (C. L. Koch, 1838) – valid
  Araneus ventricosus (L. Koch, 1878) – valid
  Araneus ventricosus abikonus Uyemura, 1961 – valid
  Araneus ventricosus globulus Uyemura, 1961 – valid
  Araneus ventricosus hakonensis Uyemura, 1961 – valid
  Araneus ventricosus ishinodai Uyemura, 1961 – valid
  Araneus ventricosus kishuensis Uyemura, 1961 – valid
  Araneus ventricosus montanioides Uyemura, 1961 – valid
  Araneus ventricosus montanus Uyemura, 1961 – valid
  Araneus ventricosus nigelloides Uyemura, 1961 – valid
  Araneus ventricosus nigellus Uyemura, 1961 – valid
  Araneus ventricosus ventricosus (L. Koch, 1878) – valid
  Araneus ventricosus yaginumai Uyemura, 1961 – valid
  Araneus ventriosus (Urquhart, 1891) – valid
  Araneus vermimaculatus Zhu & Wang, 1994 – valid
  Araneus villa Levi, 1991 – valid
  Araneus vincibilis (Keyserling, 1893) – valid
  Araneus viperifer Schenkel, 1963 – valid
  Araneus virgunculus (Thorell, 1890) – valid
  Araneus virgus (Fox, 1938) – valid
  Araneus viridisomus (Gravely, 1921) – valid
  Araneus viridiventris Yaginuma, 1969 – valid
  Araneus viridulus (Urquhart, 1891) – valid
  Araneus volgeri Simon, 1897 – valid
  Araneus vulpinus (Hahn, 1834) – valid
  Araneus vulvarius (Thorell, 1898) – valid
  Araneus walesianus (Karsch, 1878) – valid
  Araneus washingtoni Levi, 1971 – valid
  Araneus wokamus (Strand, 1911) – valid
  Araneus woodfordi Pocock, 1898 – valid
  Araneus workmani (Keyserling, 1884) – valid
  Araneus wulongensis Song & Zhu, 1992 – valid
  Araneus xavantina Levi, 1991 – valid
  Araneus xianfengensis Song & Zhu, 1992 – valid
  Araneus xizangensis Hu, 2001 – valid
  Araneus yadongensis Hu, 2001 – valid
  Araneus yapingensis Yin et al., 2009 – valid
  Araneus yasudai Tanikawa, 2001 – valid
  Araneus yatei Berland, 1924 – valid
  Araneus yuanminensis Yin et al., 1990 – valid
  Araneus yukon Levi, 1971 – valid
  Araneus yunnanensis Yin, Peng & Wang, 1994 – valid
  Araneus yuzhongensis Yin et al., 1990 – valid
  Araneus zapallar Levi, 1991 – valid
  Araneus zebrinus Zhu & Wang, 1994 – valid
  Araneus zelus (Strand, 1907) – valid
  Araneus zhangmu Zhang, Song & Kim, 2006 – valid
  Araneus zhaoi Zhang & Zhang, 2002 – valid
  Araneus zuluanus (Strand, 1907) – valid
  Araneus zygielloides Schenkel, 1963 – valid
  Arangina Lehtinen, 1967 – valid
  Arangina cornigera (Dalmas, 1917) – valid
  Arangina pluva Forster, 1970 – valid
  Araniella Chamberlin & Ivie, 1942 – valid
  Araniella alpica (L. Koch, 1869) – valid
  Araniella coreana Namkung, 2002 – valid
  Araniella cucurbitina (Clerck, 1757) – valid
  Araniella displicata (Hentz, 1847) – valid – sixspotted orbweaver
  Araniella inconspicua (Simon, 1874) – valid
  Araniella jilinensis Yin & Zhu, 1994 – valid
  Araniella maderiana (Kulczynski, 1905) – valid
  Araniella opisthographa (Kulczynski, 1905) – valid
  Araniella proxima (Kulczynski, 1885) – valid
  Araniella silesiaca (Fickert, 1876) – valid
  Araniella tbilisiensis (Mcheidze, 1997) – valid
  Araniella yaginumai Tanikawa, 1995 – valid
  Aranimermis Poinar and Petersen, 1986 – valid
  Aranoethra Butler, 1873 – valid
  Aranoethra butleri Pocock, 1899 – valid
  Aranoethra cambridgei (Butler, 1873) – valid
  Aranoethra ungari Karsch, 1878 – valid
  Aranucidae – valid
  Arapaima Müller, 1843 – valid
  Arapaima gigas (Cuvier, 1822) – invalid – giant arapaima, arapaima, giant arapaima, pirarucu, pirarucú
  Arapaima gigas (Schinz, 1822) – valid
  Araphocoris Miller, 1954 – valid
  Araphocoris bicolor Miller, 1954 – valid
  Araphura Bird and Holdich, 1984 – valid
  Araphura breviaria Dojiri and Sieg, 1997 – valid
  Araphura brevimana (Liljeborg, 1864) – valid
  Araphura cuspirostris Dojiri and Sieg, 1997 – valid
  Araphura filiformis (Lilljeborg, 1864) – valid
  Araphura higginsi Sieg and Dojiri, 1989 – valid
  Araptus Eichhoff, 1878 – valid
  Araptus dentifrons Wood, 1974 – valid
  Araptus politus (Blandford, 1904) – valid
  Arasia Simon, 1901 – valid
  Arasia eucalypti Gardzinska, 1996 – valid
  Arasia mollicoma (L. Koch, 1880) – valid
  Arasia mullion Zabka, 2002 – valid
  Aratinga Spix, 1824 – valid – Parakeets
  Aratinga acuticauda (Vieillot, 1818) – invalid
  Aratinga acuticaudata (Vieillot, 1818) – valid – Blue-crowned Parakeet
  Aratinga acuticaudata acuticaudata (Vieillot, 1818) – valid
  Aratinga acuticaudata haemorrhous Spix, 1824 – valid
  Aratinga acuticaudata koenigi Arndt, 1995 – valid
  Aratinga acuticaudata neoxena (Cory, 1909) – valid
  Aratinga acuticaudata neumanni Blake & Traylor, 1947 – valid
  Aratinga astec (Souance, 1857) – invalid – Aztec Parakeet
  Aratinga aurea (Gmelin, 1788) – valid – Peach-fronted Parakeet
  Aratinga auricapilla (Kuhl, 1820) – invalid
  Aratinga auricapillus (Kuhl, 1820) – valid – Golden-capped Parakeet
  Aratinga auricapillus auricapillus (Kuhl, 1820) – valid
  Aratinga auricapillus aurifrons Spix, 1824 – valid
  Aratinga brevipes (Lawrence, 1871) – invalid – Socorro Parakeet
  Aratinga cactorum (Kuhl, 1820) – valid – Caatinga Parakeet
  Aratinga cactorum cactorum (Kuhl, 1820) – valid
  Aratinga cactorum caixana Spix, 1824 – valid
  Aratinga canicularis (Linnaeus, 1758) – valid – Orange-fronted Parakeet, Perico frente naranja
  Aratinga canicularis canicularis (Linnaeus, 1758) – valid
  Aratinga canicularis clarae R. T. Moore, 1937 – valid
  Aratinga canicularis eburnirostrum (Lesson, 1842) – valid
  Aratinga chloroptera (Souance, 1856) – valid – Hispaniolan Parakeet
  Aratinga chloroptera chloroptera (Souance, 1856) – valid
  Aratinga chloroptera maugei (Souance, 1856) – valid
  Aratinga erythrogenys (Lesson, 1844) – valid – Red-masked Parakeet
  Aratinga euops (Wagler, 1832) – valid – Cuban Parakeet
  Aratinga evops (Wagler, 1832) – invalid
  Aratinga finschi (Salvin, 1871) – valid – Finsch's Parakeet, Crimson-fronted Parakeet
  Aratinga guarouba (Gmelin, 1788) – invalid – Golden Parakeet
  Aratinga hockingi Arndt, 2006 – valid
  Aratinga holochlora (P. L. Sclater, 1859) – valid – Green Parakeet, Perico mexicano
  Aratinga holochlora brevipes (Lawrence, 1871) – valid
  Aratinga holochlora brewsteri Nelson, 1928 – valid
  Aratinga holochlora holochlora (P. L. Sclater, 1859) – valid
  Aratinga holochlora rubritorquis (P. L. Sclater, 1887) – valid
  Aratinga jandaya (Gmelin, 1788) – valid – Jandaya Parakeet
  Aratinga leucophthalma (Statius Muller, 1776) – valid – White-eyed Parakeet
  Aratinga leucophthalma callogenys (Salvadori, 1891) – valid
  Aratinga leucophthalma leucophthalma (Statius Muller, 1776) – valid
  Aratinga leucophthalma nicefori Meyer de Schauensee, 1946 – valid
  Aratinga leucophthalmus (Statius Muller, 1776) – invalid
  Aratinga leucopthalmus (Statius Muller, 1776) – invalid
  Aratinga mitrata (Tschudi, 1844) – valid – Mitred Parakeet
  Aratinga mitrata alticola Chapman, 1921 – valid
  Aratinga mitrata chlorogenys Arndt, 2006 – valid
  Aratinga mitrata mitrata (Tschudi, 1844) – valid
  Aratinga mitrata tucumana Arndt, 2006 – valid
  Aratinga nana (Vigors, 1830) – valid – Jamaican Parakeet, Olive-throated Parakeet, Perico pecho sucio
  Aratinga nana astec (Souance, 1857) – valid
  Aratinga nana nana (Vigors, 1830) – valid
  Aratinga nana vicinalis (Bangs & T. E. Penard, 1919) – valid
  Aratinga pertinax (Linnaeus, 1758) – valid – Brown-throated Parakeet
  Aratinga pertinax aeruginosa (Linnaeus, 1758) – valid
  Aratinga pertinax arubensis (Hartert, 1891) – valid
  Aratinga pertinax chrysogenys (Massena & Souance, 1854) – valid
  Aratinga pertinax chrysophrys (Swainson, 1838) – valid
  Aratinga pertinax griseipecta Meyer de Schauensee, 1950 – valid
  Aratinga pertinax lehmanni Dugand, 1943 – valid
  Aratinga pertinax margaritensis (Cory, 1918) – valid
  Aratinga pertinax ocularis (P. L. Sclater, 1865) – valid
  Aratinga pertinax paraensis Sick, 1959 – valid
  Aratinga pertinax pertinax (Linnaeus, 1758) – valid
  Aratinga pertinax surinama Zimmer & W. H. Phelps, 1951 – valid
  Aratinga pertinax tortugensis (Cory, 1909) – valid
  Aratinga pertinax venezuelae Zimmer & W. H. Phelps, 1951 – valid
  Aratinga pertinax xanthogenia (Bonaparte, 1850) – valid
  Aratinga pintoi L. F. Silveira, F. C. T. De Lima & E. Hofling, 2005 – valid
  Aratinga rubritorquis (P. L. Sclater, 1887) – invalid – Red-throated Parakeet
  Aratinga solstitialis (Linnaeus, 1758) – valid – Sun Parakeet
  Aratinga strenua (Ridgway, 1915) – valid – Pacific Parakeet, Perico centroamericano
  Aratinga wagleri (G. R. Gray, 1845) – valid – Scarlet-fronted Parakeet
  Aratinga wagleri frontata (Cabanis, 1846) – valid
  Aratinga wagleri minor Carriker, 1933 – valid
  Aratinga wagleri transilis J. L. Peters, 1927 – valid
  Aratinga wagleri wagleri (G. R. Gray, 1845) – valid
  Aratinga weddelli (Deville, 1851) – invalid
  Aratinga weddellii (Deville, 1851) – valid – Dusky-headed Parakeet
  Aratus H. Milne Edwards, 1853 – valid
  Aratus pisonii (H. Milne Edwards, 1837) – valid – mangrove tree crab
  Araucaleon Banks, 1938 – valid
  Araucaleon inca Banks, 1938 – valid
  Araucaleon withycombei (Esben-Petersen, 1927) – valid
  Araucanobunus Muńoz-Cuevas, 1973 – valid
  Araucanobunus juberthiei Muńoz-Cuevas, 1973 – valid
  Araucaria aphid Insects Of Hawaii, 4, 5 – invalid
  Araucastigmus Finnamore, 1995 – valid
  Araucastigmus glabratus (Kohl, 1905) – valid
  Araucastigmus masneri Finnamore, 1995 – valid
  Araucastigmus yanillus Finnamore, 1995 – valid
  Araucoscia Verhoeff, 1939 – valid
  Araucoscia chilenica Verhoeff, 1939 – valid
  Aravaipa Townsend, 1919 – invalid
  Aravaipa atrophopoda Townsend, 1919 – invalid
  Arawacus Kaye, 1904 – valid
  Arawacus jada (Hewitson, 1867) – valid – Creamy Stripe-streak
  Arawana Leng, 1908 – valid
  Arawana arizonica (Casey, 1899) – valid
  Archaeoteleia araucana Masner, 1968 – valid
  Archanara Walker, 1866 – valid
  Archanara alameda (Smith, 1903) – invalid
  Archanara dissoluta (Treitschke, 1825) – valid – Brown-veined Wainscot
  Archanara laeta (Morrison, 1875) – invalid
  Archanara oblonga (Grote, 1882) – invalid
  Archanara subflava (Grote, 1882) – invalid
  Archaraeoncus Tanasevitch, 1987 – valid
  Archaraeoncus alticola Tanasevitch, 2008 – valid
  Archaraeoncus prospiciens (Thorell, 1875) – valid
  Archaraeoncus sibiricus Eskov, 1988 – valid
  Archecharax Thompson, 1980 – valid
  Archilestes guayaraca De Marmels, 1982 – valid
  Archimonocelis parastaresoi Curini-Galletti, Delogu, Campus and Casu, 1997 – valid
  Arcobara Walker, 1863 – valid
  Arcobara multilineata (Hulst, 1887) – valid
  Arcobara perlineata (Schaus, 1913) – valid
  Arcoppia campinaranensis (Franklin & Woas, 1992) – valid
  Arcoscalpellum parallelogramma (Hoek, 1883) – valid
  Arctodiaptomus arapahoensis (Dodds, 1915) – valid
  Arctonyx collaris taraiyensis Gray, 1863 – invalid
  Arcuphantes saragaminensis Ono & Saito, 2001 – valid
  Arcynopteryx barbara (Needham, 1933) – invalid
  Arcynopteryx parallela (Frison, 1936) – invalid
  Ardeotis arabs (Linnaeus, 1758) – valid – Arabian Bustard
  Ardeotis arabs arabs (Linnaeus, 1758) – valid
  Ardeotis arabs butleri (Bannerman, 1930) – valid
  Ardeotis arabs lynesi (Bannerman, 1930) – valid
  Ardeotis arabs stieberi (Neumann, 1907) – valid
  Arene farallonensis (A. G. Smith, 1952) – valid – farallon cyclostreme
  Arethaea arachnopyga Rehn and Hebard, 1914 – valid
  Argia tarascana Calvert, 1902 – valid – Tarascan Dancer
  Argohesma clara Exley, 1974 – invalid
  Argyrobrithes separatus (Meijere, 1907) – valid
  Arhythmacanthus paraplagusiarum Nickol, 1972 – invalid
  Ariadna araucana Grismado, 2008 – valid
  Arius arafurensis Hardenburg, 1948 – invalid
  Arius satparanus Chaudhuri, 1916 – invalid
  Arizelocichla nigriceps usambarae (Grote, 1919) – valid
  Armadillo ankaratrae Barnard, 1958 – valid
  Armadilloniscus caraibicus Paoletti & Stinner, 1989 – valid
  Arnoglossus arabicus Norman, 1939 – valid
  Arotonaias nicaraguensis (Lea, 1868) – valid
  Arotrolepis barbarae Fraser-Brunner, 1941 – invalid
  Arpactophilus arator (R. Turner, 1908) – valid
  Arpactophilus dolichocara R. Bohart, 1999 – valid
  Arpactophilus xaracuu Breitkreuz, Ohl and Engel, 2016 – valid
  Arpactophilus xaragure Breitkreuz, Ohl and Engel, 2016 – valid
  Arrenurus parallellatus (Marshall, 1908) – valid
  Arthrhoplophora paradoxa Berlese, 1910 – valid
  Artoria separata Vink, 2002 – valid
  Asaccus barani Torki, Ahmadzadeh, Ilgaz, Avci and Kumlutas, 2011 – valid
  Asadipus baranar Platnick, 2000 – valid
  Asadipus barant Platnick, 2000 – valid
  Asaracus C. L. Koch, 1846 – valid
  Asaracus megacephalus C. L. Koch, 1846 – valid
  Asaracus modestissimus (Caporiacco, 1947) – valid
  Asaracus roeweri Caporiacco, 1947 – valid
  Asaracus rufociliatus (Simon, 1902) – valid
  Asaracus semifimbriatus (Simon, 1902) – valid
  Asaracus venezuelicus (Caporiacco, 1955) – valid
  Ascidia paratropa (Huntsman, 1912) – valid
  Ascidiopsis paratropa Huntsman, 1912 – invalid
  Ascophora paradoxa Findenegg, 1924 – valid
  Ascorhytis charadriformis – valid
  Asellia arabica Benda, Vallo and Reiter, 2011 – valid
  Aseptis cara (Barnes and McDunnough, 1912) – valid
  Aseptis characta (Grote, 1880) – valid
  Aseptis dilara (Strecker, 1899) – valid
  Aseraggodes sinusarabici Chabanaud, 1931 – valid
  Asobara Förster, 1862 – valid
  Asobara fungicola (Ashmead, 1894) – valid
  Asobara tabida (Nees, 1834) – valid
  Asphinctanilloides manauara Brandao, Diniz, Agosti & Delabie, 1999 – valid
  Asphondylia amaranthi Felt, 1935 – valid
  Aspidimorpha karamojana Borowiec and Sekerka, 2010 – valid
  Aspidimorpha sarasinorum Spaeth, 1932 – valid
  Aspidimorpha sarawacensis Spaeth, 1904 – valid
  Aspidiophorus paradoxus (Voigt, 1902) – valid
  Aspidiophorus paradoxus microsquammatus d'Hondt, 1967 – valid
  Aspidiophorus paradoxus paradoxus (Voigt, 1902) – valid
  Aspidiophorus paramediterraneus Hummon, 1974 – valid
  Aspidispa ifara Gressitt, 1963 – valid
  Aspidonotus paradoxus Voigt, 1902 – invalid
  Aspidosiphon (Paraspidosiphon) Stephen, 1964 – valid
  Asterias arancia Dewhurst, 1834 – invalid
  Asterias aranciaca Linnaeus, 1758 – invalid
  Asterina sarasini de Loriol, 1897 – invalid
  Asteriscus calcarata Perrier, 1869 – invalid
  Asteriscus calcaratus Perrier, 1869 – invalid
  Asteriscus calcaratus Valenciennes in Gay, 1854 – invalid
  Asterix parallelus (Lewis, 1900) – valid
  Asteropus sarasinorum – valid
  Asthenocoris luzonensis paradisianus Zettel and Nieser in Zettel et al., 1999 – valid
  Astrocottus matsubarae Katayama, 1942 – valid
  Astronesthes lampara Parin and Borodulina, 1998 – valid
  Astropecten aranciacus (Linnaeus, 1758) – valid – estrella de mar anaranjada
  Astropecten aranciacus gruveli Koehler, 1911 – invalid
  Astropecten sarasinorum Döderlein, 1917 – valid
  Astyanax altiparanae Garutti and Britski, 2000 – valid
  Astyanax chaparae Fowler, 1943 – valid
  Astyanax nicaraguensis Eigenmann and Ogle, 1907 – valid
  Astyanax ojiara Azpelicueta and Garcia, 2000 – valid
  Astyanax paraguayensis (Fowler, 1918) – valid
  Astyanax parahybae Eigenmann, 1908 – valid
  Astyanax paranahybae Eigenmann, 1911 – valid
  Ataenius arator Harold, 1869 – invalid
  Ataenius paracognatus Balthasar, 1961 – invalid
  Ataenius paraperforatus Deloya and Ibáńez-Bernal, 2000 – invalid
  Atelopus carauta Ruiz-Carranza and Hernández-Camacho, 1978 – valid
  Atheas cearanus Monte, 1947 – valid
  Athene noctua saharae (O. Kleinschmidt, 1909) – valid
  Atherina araea Jordan and Gilbert, 1884 – invalid
  Athetis mindara (Barnes and McDunnough, 1913) – invalid – roughskinned cutworm
  Atlanticus calcaratus Rehn and Hebard, 1916 – valid
  Atlapetes personatus paraquensis Phelps & Phelps Jr, 1946 – valid
  Atopetholus barbaranus Chamberlin, 1949 – valid
  Atractus arangoi Prado, 1939 – valid
  Atractus paraguayensis Werner, 1924 – valid
  Atractus paravertebralis Henle and Ehrl, 1991 – valid
  Atropacarus csiszarae (Balogh & Mahunka, 1979) – valid
  Atropacarus paraclavatus Niedbala, 2002 – valid
  Atta capiguara Goncalves, 1944 – valid
  Attila spadiceus parambae Hartert, 1900 – valid
  Auchenipterus demerarae Eigenmann, 1912 – valid
  Augochlora praeclara Cresson, 1865 – valid
  Augochlora smaragdina Friese, 1917 – valid
  Augochlorella karankawa Coelho, 2004 – valid
  Augochloropsis cataractae (Cockerell, 1930) – valid
  Augochloropsis charapina (Cockerell, 1913) – valid
  Augochloropsis guaranitica Strand, 1910 – valid
  Aulacochthebius exaratus (Mulsant, 1844) – valid
  Aulacogenia sarawakensis Miller, 1940 – valid
  Aulacosolus bharatensis Jäch and Boukal, 1997 – valid
  Aulacus exaratus Ratzeburg, 1852 – invalid
  Aulocara Scudder, 1876 – valid
  Aulocara brevipennis (Bruner, 1905) – valid
  Aulocara elliotti (Thomas, 1870) – valid – bigheaded grasshopper, criquet megalocéphale
  Aulocara femoratum Scudder, 1899 – valid
  Aulonium parallelopipedum (Say, 1826) – valid
  Aulonocara Regan, 1922 – valid
  Aulonocara aquilonium Konings, 1995 – valid
  Aulonocara auditor (Trewavas, 1935) – valid
  Aulonocara baenschi Meyer and Riehl in Baensch and Riehl, 1985 – valid
  Aulonocara brevinidus Konings, 1995 – valid
  Aulonocara brevirostre (Trewavas, 1935) – valid
  Aulonocara ethelwynnae Meyer, Riehl and Zetzsche, 1987 – valid
  Aulonocara gertrudae Konings, 1995 – valid
  Aulonocara guentheri Eccles in Eccles and Trewavas, 1989 – valid
  Aulonocara hansbaenschi Meyer, Riehl and Zetzsche, 1987 – valid
  Aulonocara hueseri Meyer, Riehl and Zetzsche, 1987 – valid
  Aulonocara jacobfreibergi (Johnson, 1974) – valid
  Aulonocara korneliae Meyer, Riehl and Zetzsche, 1987 – valid
  Aulonocara macrochir Trewavas, 1935 – invalid
  Aulonocara maylandi Trewavas, 1984 – valid
  Aulonocara maylandi kandeensis Tawil and Allgayer, 1987 – valid
  Aulonocara maylandi maylandi Trewavas, 1984 – valid
  Aulonocara nyassae Regan, 1922 – valid – African peacock
  Aulonocara rostratum Trewavas, 1935 – valid
  Aulonocara saulosi Meyer, Riehl and Zetzsche, 1987 – valid
  Aulonocara steveni Meyer, Riehl and Zetzsche, 1987 – valid
  Aulonocara stuartgranti Meyer and Riehl in Baensch and Riehl, 1985 – valid
  Aulonocara trematocephala (Boulenger, 1901) – valid
  Aulonothroscus parallelus Blanchard, 1917 – valid
  Australerythrops paradicei W. M. Tattersall, 1928 – valid
  Australobiosis araucanica Schmid, 1958 – valid
  Australonuphis parateres – valid
  Australopacifica sarasiniana (Schröder, 1924) – valid
  Austrocarabodes Hammer, 1966 – valid
  Austrocarabodes (Austrocarabodes) Hammer, 1966 – valid
  Austrocarabodes (Baloghodes) Mahunka, 1986 – valid
  Austrocarabodes (Uluguroides) Mahunka, 1983 – valid
  Austrocarabodes agalawatta P. Balogh, 1988 – valid
  Austrocarabodes agressor Balogh & Mahunka, 1978 – valid
  Austrocarabodes albidus (Balogh, 1961) – valid
  Austrocarabodes alveolatus Hammer, 1973 – valid
  Austrocarabodes angulatus (Balogh, 1958) – valid
  Austrocarabodes arrogans Pérez-Íńigo, 1967 – valid
  Austrocarabodes australis (Balogh & Csiszár, 1963) – valid
  Austrocarabodes bacilliger Mahunka, 1978 – valid
  Austrocarabodes bellicosus P. Balogh, 1988 – valid
  Austrocarabodes boninensis (Aoki, 1978) – valid
  Austrocarabodes butiae Pérez-Íńigo & Sarasola, 1998 – valid
  Austrocarabodes cadeti Mahunka, 1978 – valid
  Austrocarabodes cellularis (Balogh, 1962) – valid
  Austrocarabodes corpulentus (Trägĺrdh, 1931) – valid
  Austrocarabodes costulatus (Balogh, 1958) – valid
  Austrocarabodes crenellatus Mahunka, 1983 – valid
  Austrocarabodes crinitus (Trägĺrdh, 1931) – valid
  Austrocarabodes curvisetiger Aoki, 1982 – valid
  Austrocarabodes davisi (Balogh & Mahunka, 1969) – valid
  Austrocarabodes elegans Hammer, 1966 – valid
  Austrocarabodes ensifer (Sellnick, 1931) – valid
  Austrocarabodes erectus Mahunka, 1984 – valid
  Austrocarabodes falcatus Hammer, 1973 – valid
  Austrocarabodes fenestratus (Wallwork, 1977) – valid
  Austrocarabodes flabellifer Mahunka, 1986 – valid
  Austrocarabodes foliaceisetus Krivolutsky, 1971 – valid
  Austrocarabodes glabrus Mahunka, 1982 – valid
  Austrocarabodes grandis (Mahunka, 1984) – valid
  Austrocarabodes gressitti Balogh & Mahunka, 1978 – valid
  Austrocarabodes haradai (Aoki, 1978) – valid
  Austrocarabodes heterotrichosus (Mahunka, 1986) – valid
  Austrocarabodes horridus (Wallwork, 1977) – valid
  Austrocarabodes imperfectus (Sellnick, 1959) – valid
  Austrocarabodes imperfectus imperfectus (Sellnick, 1959) – valid
  Austrocarabodes imperfectus squamosus Hammer, 1970 – valid
  Austrocarabodes incrustatus (Wallwork, 1977) – valid
  Austrocarabodes intermedius Ruiz, Subías & Kahwash, 1989 – valid
  Austrocarabodes latissimus Mahunka, 2000 – valid
  Austrocarabodes lepidus Aoki, 1978 – valid
  Austrocarabodes longulus (Balogh, 1958) – valid
  Austrocarabodes lunaris (Balogh, 1962) – valid
  Austrocarabodes maculatus Hammer, 1966 – valid
  Austrocarabodes microlaminatus Mahunka, 1983 – valid
  Austrocarabodes minitricha (Mahunka, 1993) – valid
  Austrocarabodes mixtus Mahunka, 1996 – valid
  Austrocarabodes nodosus Hammer, 1966 – valid
  Austrocarabodes obsoletus (Berlese, 1916) – valid
  Austrocarabodes ocellatus Mahunka, 1987 – valid
  Austrocarabodes pentatrichus (Balogh, 1962) – valid
  Austrocarabodes pentatrichus clavatus (Wallwork, 1977) – valid
  Austrocarabodes pentatrichus pentatrichus (Balogh, 1962) – valid
  Austrocarabodes picturatus Mahunka, 1987 – valid
  Austrocarabodes pinnatus Mahunka, 1986 – valid
  Austrocarabodes polytrichus Balogh & Mahunka, 1978 – valid
  Austrocarabodes pseudoreticulatus Covarrubias, 1967 – valid
  Austrocarabodes rimosus Mahunka, 1987 – valid
  Austrocarabodes rugosus Mahunka, 1969 – valid
  Austrocarabodes schauenbergi Mahunka, 1978 – valid
  Austrocarabodes schwartzi (Balogh & Mahunka, 1969) – valid
  Austrocarabodes secundus (Mahunka, 1993) – valid
  Austrocarabodes similis Mahunka, 1978 – valid
  Austrocarabodes sinuosociliatus Mahunka, 1983 – valid
  Austrocarabodes sordidus (Balogh, 1958) – valid
  Austrocarabodes spathulatus Mahunka, 1978 – valid
  Austrocarabodes sphaeroideus Mahunka, 1978 – valid
  Austrocarabodes sphaerula Balogh, 1970 – valid
  Austrocarabodes szentivanyi (Balogh & Mahunka, 1967) – valid
  Austrocarabodes tarandus Mahunka, 1986 – valid
  Austrocarabodes travei (Balogh & Csiszár, 1963) – valid
  Austrocarabodes trichosus (Mahunka, 1983) – valid
  Austrocarabodes vaucheri Mahunka, 1984 – valid
  Austrocarabodes verrucatus (Trägĺrdh, 1931) – valid
  Austrochthonius paraguayensis Vitali-di Castri, 1975 – valid
  Austrogymnocnemia sarahae New, 1985 – valid
  Austrolebias arachan Loureiro and Azpelicueta, 2004 – valid
  Austrolimnius araneus Jäch, 1985 – valid
  Austroniscus karamani Birstein, 1962 – valid
  Austroperipatus paradoxus (Bouvier, 1915) – valid
  Austrorhynchus parapectatus Karling, 1977 – valid
  Austrostelis maranhensis Urban, 2003 – valid
  Austrotinodes paraguayensis Flint, 1983 – valid
  Austrotritia saraburiensis Aoki, 1965 – valid
  Autodax lugubris farallonensis Van Denburgh, 1905 – invalid
  Autolytus paradoxus Saint-joseph, 1887 – valid
  Automolus paraensis Hartert, 1902 – valid – Para Foliage-gleaner
  Automolus roraimae paraquensis W. H. Phelps & W. H. Phelps Jr, 1947 – valid
  Avagina vivipara Hickman, 1956 – valid
  Avicularia arabica (Strand, 1908) – valid
  Avicularia aymara (Chamberlin, 1916) – valid
  Avicularia fasciculata clara Strand, 1907 – valid
  Axelsonia sarahae Christiansen & Bellinger, 1992 – valid
  Axonolaimus paraponticus Hopper, 1963 – valid
  Aykhustigmus warawa Finnamore, 1995 – valid
  Aymara Michaelsen, 1935 – valid
  Aymara voogdi Michaelsen, 1935 – valid
  Aysenia araucana Ramírez, 2003 – valid
  Aysha guarapuava Brescovit, 1992 – valid
  Aysha tapejara Brescovit, 1992 – valid
  Azteca aragua Longino, 1991 – valid
  Azteca paraensis Forel, 1904 – valid
  Azteca paraensis bondari Borgmeier, 1937 – valid
  Azteca paraensis paraensis Forel, 1904 – valid
  Bactrocera (Hemiparatridacus) Drew, 1989 – valid
  Bactrocera (Paradacus) Perkins, 1938 – valid
  Bactrocera (Paratridacus) Shiraki, 1933 – valid
  Bactrocera (Parazeugodacus) Shiraki, 1933 – valid
  Bactrocera carambolae Drew & Hancock, 1994 – valid
  Bactrocera honiarae Drew, 1989 – valid
  Bactrocera parafrauenfeldi Drew, 1989 – valid
  Bactrocera paramusae Drew, 1989 – valid
  Bactrocera paratappana (Tseng, Chen & Chu, 1992) – valid
  Bactrocera paratra (Chao & Lin, 1993) – valid
  Bactrocera paraxanthodes Drew & Hancock, 1995 – valid
  Bactrocera sandaracina Drew, 1989 – valid
  Bactrocythara Woodring, 1922 – valid
  Bactrocythara asarca (Dall and Simpson, 1901) – valid
  Bactrocythara obtusa Guppy, 1896 – valid
  Baetis parallelus Banks, 1924 – invalid
  Baeus arachnevora (Risbec, 1956) – valid
  Baeus archaearaneus Loiácono, 1973 – valid
  Baeus hallarakeri Stevens, 2007 – valid
  Baeus jabaquara Margaría & Loiácono, 2006 – valid
  Bagisara Walker, 1858 – valid
  Bagisara albicosta Schaus, 1911 – valid
  Bagisara brouana Ferguson, 1997 – valid
  Bagisara buxea (Grote, 1881) – valid
  Bagisara demura Dyar, 1913 – valid
  Bagisara gulnare (Strecker, 1880) – valid
  Bagisara laverna (Druce, 1889) – valid
  Bagisara oula Dyar, 1913 – valid
  Bagisara pacifica Schaus, 1911 – valid
  Bagisara praecelsa Ferguson, 1997 – valid
  Bagisara rectifascia (Grote, 1874) – valid – Straight Lined Mallow Moth
  Bagisara repanda (Fabricius, 1793) – valid
  Bagisara tristicta (Hampson, 1898) – valid
  Bajacalifornia calcarata (Weber, 1913) – valid
  Bako arabianus Duarte Rodrigues, 1987 – valid
  Balanophyllia parallela (Semper, 1872) – valid
  Balistes vidua kamoharai Abe, 1958 – invalid
  Balloniscus paraquayanus (Van Name, 1936) – valid
  Barabattoai Yabe and Sugiyama, 1941 – valid
  Barabattoai amicorum (Milne-Edwards and Haime, 1850) – valid
  Barabattoai laddi (Wells, 1954) – valid
  Barabattoai mirabilis Yabe and Sugiyama, 1941 – valid
  Baracidris Bolton, 1981 – valid
  Baracidris meketra Bolton, 1981 – valid
  Baracidris sitra Bolton, 1981 – valid
  Baracuma – valid
  Baragenys Parker, 1936 – invalid
  Barahna Davies, 2003 – valid
  Barahna booloumba Davies, 2003 – valid
  Barahna brooyar Davies, 2003 – valid
  Barahna glenelg Davies, 2003 – valid
  Barahna myall Davies, 2003 – valid
  Barahna scoria Davies, 2003 – valid
  Barahna taroom Davies, 2003 – valid
  Barahna toonumbar Davies, 2003 – valid
  Barahna yeppoon Davies, 2003 – valid
  Barangia nepalensis Gray, 1865 – invalid
  Barangia sumatrana Gray, 1865 – invalid
  Barantolla Southern, 1921 – valid
  Barantolla americana – valid
  Barantolla lepta – valid
  Barathrites Zugmayer, 1911 – valid
  Barathrites abyssorum Roule, 1916 – invalid
  Barathrites iris Zugmayer, 1911 – valid
  Barathrites parri Nybelin, 1957 – valid
  Barathrodemus Goode and Bean, 1883 – valid
  Barathrodemus manatinus Goode and Bean, 1883 – valid
  Barathrodemus microps Parr, 1933 – invalid
  Barathrodemus nasutus Smith and Radcliffe in Radcliffe, 1913 – valid
  Barathronus Goode and Bean, 1886 – valid
  Barathronus affinis Brauer, 1906 – valid
  Barathronus bicolor Goode and Bean, 1886 – valid
  Barathronus bruuni Nielsen, 1969 – valid
  Barathronus diaphanus Brauer, 1906 – valid
  Barathronus maculatus Shcherbachev, 1976 – valid
  Barathronus multidens Nielsen, 1984 – valid
  Barathronus pacificus Nielsen and Eagle, 1974 – valid
  Barathronus parfaiti (Vaillant, 1888) – valid
  Barathronus unicolor Nielsen, 1984 – valid
  Barbaraella Harvey, 1995 – valid
  Barbaraella mainae Harvey, 1995 – valid
  Barbascalpellum sanctaebarbarae (Pilsbry, 1907) – valid
  Barbodes amara Herre, 1924 – invalid
  Barbus arabicus Trewavas, 1941 – valid
  Barbus arambourgi Pellegrin, 1935 – valid
  Barbus parablabes Daget, 1957 – valid
  Barbus parajae Van den Bergh and Teugels, 1998 – valid
  Barbus parawaldroni Lévęque, Thys van den Audenaerde and Traoré, 1987 – valid
  Barbus usambarae Lönnberg, 1907 – valid
  Barce scaramuzzai (Wygodzinsky, 1951) – valid
  Baris separata Casey, 1920 – invalid
  Baryconus bharatus Saraswat, 1978 – valid
  Baryconus marattus Mani, 1975 – valid
  Basileuterus culicivorus azarae J. T. Zimmer, 1949 – valid
  Basilobelba baltazarae Corpuz-Raros, 1979 – valid
  Basiprionota sarawacensis (Spaeth, 1912) – valid
  Bastiania acarayensis Andrassy, 1968 – valid
  Batara Lesson, 1831 – valid
  Batara cinerea (Vieillot, 1819) – valid – Giant Antshrike
  Batara cinerea argentina Shipton, 1918 – valid
  Batara cinerea cinerea (Vieillot, 1819) – valid
  Batara cinerea excubitor Bond & Meyer de Schauensee, 1940 – valid
  Batasio sharavatiensis Bhatt and Jayaram, 2004 – valid
  Bathocyroe paragaster (Ralph and Kaberry, 1950) – valid
  Bathycopea parallela Birstein, 1963A – valid
  Bathygobius karachiensis Hoda and Goren, 1990 – valid
  Bathylaimus parafilicaudatus Allgen, 1935 – valid
  Bathylaimus paralongisetosus Stekhoven and De Coninck, 1933 – valid
  Bathylutichthys taranetzi Balushkin and Voskoboinikova, 1990 – valid
  Bathyphantes paradoxus Berland, 1929 – valid
  Bathyphantes sarasini Berland, 1924 – valid
  Bathyraja matsubarai (Ishiyama, 1952) – valid
  Bathyraja taranetzi (Dolganov, 1985) – invalid – mud skate
  Bdelloura parasitica Leidy, 1851 – invalid
  Beauchampius sarasinorum (Graff, 1899) – valid
  Bebryce parastellata Deichmann, 1936 – valid
  Beddardiella buarana Michaelsen, 1937 – valid
  Bekilya tuleara Zhang and Weirauch, 2011 – valid
  Belba paracorynopus Bulanova-Zachvatkina, 1962 – valid
  Belippo calcarata (Roewer, 1942) – valid
  Belocera parafuscifrons Qin, 2012 – valid
  Belomicrus karakumicus Kazenas and Antropov, 1994 – valid
  Belomicrus karakumicus Kazenas and Antropov, 1992 – invalid
  Belomicrus pharaonum Pulawski, 1964 – valid
  Belostoma carajaensis Ribeiro and Estévez, 2009 – valid
  Belostoma saratogae Menke, 1958 – valid
  Belura pillara Poore & Lew Ton, 1988 – valid
  Bembecinus anthracinus ogasawaraensis Tsuneki, 1970 – valid
  Bembecinus karasanus F. Gess and Pulawski, 2015 – valid
  Bembecinus sarawakensis J. Parker, 1937 – invalid
  Bembex barbara Handlirsch, 1893 – invalid
  Bembex paradoxa Giner Marí, 1943 – invalid
  Bembex saharae Giner Marí, 1945 – invalid
  Bembidion aratum (LeConte, 1852) – valid
  Bembidion farrarae Hatch, 1950 – valid
  Bembidion paraenulum Maddison, 2009 – valid
  Bembidion smaragdinum (Sharp, 1903) – valid
  Bembidula paraguayana Strand, 1910 – invalid
  Bembidula parata (Provancher, 1888) – invalid
  Bembix arabica Lohrmann, 1942 – invalid
  Bembix barbara Handlirsch, 1893 – valid
  Bembix olivacea saharae Giner Marí, 1945 – valid
  Bembix pillara Evans and Matthews, 1973 – valid
  Bembix sarafschan Radoszkowski, 1877 – invalid
  Bembix separanda Handlirsch, 1893 – invalid
  Bembix warawara Evans and Matthews, 1973 – valid
  Bembix yunkara Evans and Matthews, 1973 – valid
  Bemlos parahastatus – valid
  Benhamyia smaragdina (Lindner, 1958) – valid
  Bercaeopsis parallela (Aldrich. 1916) – valid
  Berlandina saraevi Ponomarev, 2008 – valid
  Berniniella parasigma Iturrodobeitia, 1987 – valid
  Betamorpha characta Hessler & Thistle, 1975 – valid
  Bethalus arator Barnard, 1937 – valid
  Betta smaragdina Ladiges, 1972 – valid
  Bharatovolzia Cook, 1967 – valid
  Bicidium parasiticum Agassiz, 1859 – invalid
  Bicyrtes paraguayana (Strand, 1910) – invalid
  Bicyrtes paraguayanus (Strand, 1910) – valid
  Bicyrtes paranae R. Bohart, 1996 – valid
  Bicyrtes parata (Provancher, 1888) – invalid
  Bidessodes charaxinus Young, 1986 – valid
  Bidessonotus caraibus (Chevrolat, 1863) – valid
  Bipalium sarasini J. Müller, 1907 – invalid
  Bisetocreagris parablothroides (Beier, 1951) – valid
  Bitoma exarata (Pascoe, 1863) – valid
  Bitoma paradisea Blatchley, 1930 – invalid
  Bitoma parallela (Sharp, 1885) – valid
  Biton cataractus Lawrence, 1968 – valid
  Biton tarabulus Roewer, 1933 – valid
  Bittacus taraiensis Penny, 1969 – valid
  Blackburneus caracaensis (Petrovitz, 1970) – valid
  Bledius tarandus Herman, 1970 – valid
  Blepharocera separata Alexander, 1963 – invalid
  Bleptina araealis (Hampson, 1901) – valid
  Bleptina caradrinalis Guenée, 1854 – valid
  Bloeteomedes sarawakensis van Doesburg, 1980 – valid
  Blondelia paradexoides (Townsend, 1926) – valid
  Blossia arabica (Roewer, 1933) – valid
  Blossia maraisi Hewitt, 1915 – valid
  Boa constrictor amarali (Stull, 1932) – valid
  Boaedon paralineatus Trape and Mediannikov, 2016 – valid – Central-African Lined House Snake
  Boettcheria carata Roback, 1952 – invalid
  Bohadschia paradoxa (Selenka, 1867) – valid
  Bokermannohyla caramaschii (Napoli, 2005) – valid
  Bokermannohyla ibitiguara (Cardoso, 1983) – valid
  Bolborhynchus aymara (Orbigny, 1839) – invalid
  Bolitochara Mannerheim, 1831 – valid
  Bolitochara arcuata (Casey, 1906) – valid
  Bolitochara aspera (Casey, 1906) – valid
  Bolitochara bakeri (Casey, 1906) – valid
  Bolitochara blanchardi Casey, 1893 – valid
  Bolitochara brevicornis (Casey, 1906) – valid
  Bolitochara californica (Casey, 1885) – invalid
  Bolitochara carlottae (Casey, 1911) – valid
  Bolitochara collaris (Casey, 1906) – valid
  Bolitochara densicollis (Casey, 1906) – valid
  Bolitochara laetula (Casey, 1906) – valid
  Bolitochara laxicornis (Casey, 1906) – valid
  Bolitochara marginella Casey, 1893 – invalid
  Bolitochara minor (Casey, 1906) – valid
  Bolitochara nigrina (Casey, 1885) – valid
  Bolitochara notata Mäklin, 1852 – invalid
  Bolitochara obsolescens (Casey, 1906) – valid
  Bolitochara picta (Casey, 1906) – valid
  Bolitochara punctiventris (Casey, 1906) – valid
  Bolitochara rugipennis (Casey, 1906) – valid
  Bolitochara suturalis (Casey, 1906) – valid
  Bolitochara tenuicornis (Notman, 1920) – valid
  Bolitochara texana (Casey, 1906) – valid
  Bolitochara trimaculata (Erichson, 1839) – valid
  Bolitochara tristigma (Casey, 1906) – valid
  Bolitochara unicolor Fenyes, 1909 – valid
  Bolitoglossa alvaradoi Taylor, 1954 – valid
  Bolitoglossa guaramacalensis Schargel, García-Pérez and Smith, 2002 – valid
  Bolitoglossa paraensis (Unterstein, 1930) – valid
  Bolosoma paradictyum – valid
  Bombylius paradoxus (Hall and Evenhuis, 1981) – valid
  Bombylius paramexicanus Bath, 1974 – invalid
  Boophis ankaratra Andreone, 1993 – valid
  Boraras Kottelat and Vidthayanon, 1993 – valid
  Boraras brigittae (Vogt, 1978) – valid
  Boraras maculatus (Duncker, 1904) – valid – dwarf rasbora
  Boraras merah (Kottelat, 1991) – valid
  Boraras micros Kottelat and Vidthayanon, 1993 – valid
  Boraras urophthalmoides (Kottelat, 1991) – valid
  Bornella calcarata – valid
  Bostrychia rara (Rothschild, Hartert & O. Kleinschmidt, 1897) – valid – Spot-breasted Ibis
  Bostrychoplites arabicus Lesne, 1934 – valid
  Bostrychopsis parallela (Lesne, 1895) – valid
  Botanochara Dejean, 1836 – valid
  Botanochara angulata (Germar, 1824) – valid
  Botanochara boggianii (Spaeth, 1900) – valid
  Botanochara boliviaca (Spaeth, 1926) – valid
  Botanochara bonariensis (Boheman, 1850) – valid
  Botanochara cancellata (Boheman, 1850) – valid
  Botanochara convexiuscula (Spaeth, 1922) – valid
  Botanochara decemnotata (Boheman, 1850) – valid
  Botanochara decempustulata (Boheman, 1850) – valid
  Botanochara decemverrucata (Boheman, 1850) – valid
  Botanochara duodecimnotata (Boheman, 1850) – valid
  Botanochara duodecimverrucata (Boheman, 1850) – valid
  Botanochara encausta (Boheman, 1850) – valid
  Botanochara fastidita (Boheman, 1850) – valid
  Botanochara guttipennis (Spaeth, 1915) – valid
  Botanochara haematodes (Perty, 1834) – valid
  Botanochara impressa (Panzer, 1798) – valid
  Botanochara impressipennis (Boheman, 1850) – valid
  Botanochara intricata (Boheman, 1850) – valid
  Botanochara lurida (Spaeth, 1940) – valid
  Botanochara macularia (Boheman, 1850) – valid
  Botanochara matogrossoensis Borowiec, 2006 – invalid
  Botanochara miniata (Baly, 1887) – valid
  Botanochara missionea (Boheman, 1850) – valid
  Botanochara nigropicta (Boheman, 1850) – valid
  Botanochara octoplagiata (Spaeth, 1909) – valid
  Botanochara octopustulata (Klug, 1829) – valid
  Botanochara ordinata (Boheman, 1850) – valid
  Botanochara ornata (Boheman, 1850) – valid
  Botanochara pantherina (Klug, 1829) – valid
  Botanochara pavonia (Boheman, 1850) – valid
  Botanochara planipennis (Spaeth, 1899) – valid
  Botanochara praefica (Spaeth, 1940) – valid
  Botanochara quinquefasciata (Perty, 1834) – valid
  Botanochara regina (Boheman, 1862) – valid
  Botanochara ricardoi (Buzzi, 1998) – valid
  Botanochara rubroguttata (Boheman, 1850) – valid
  Botanochara ruforeticulata (Boheman, 1850) – valid
  Botanochara sanguinea (Spaeth, 1909) – valid
  Botanochara sedecimpustulata (Fabricius, 1801) – valid
  Botanochara segnis (Boheman, 1862) – valid
  Botanochara sigillata (Spaeth, 1940) – valid
  Botanochara subnervosa (Boheman, 1850) – valid
  Botanochara tesselata (Burmeister, 1870) – valid
  Botanochara vianai Borowiec, 1989 – valid
  Botanophila araeoglossa (Huckett, 1965) – valid
  Bothriocephalus carangis Yamaguti, 1968 – valid
  Bothriopsis bilineata smaragdinus (Hoge, 1966) – invalid
  Bothrocara Bean, 1890 – valid
  Bothrocara brunneum (Bean, 1890) – valid – twoline eelpout, viruela dos rayas
  Bothrocara elongatum (Garman, 1899) – valid
  Bothrocara hollandi (Jordan and Hubbs, 1925) – valid
  Bothrocara molle Bean, 1890 – valid – pighead eelpout, shortsnout eelpout, soft eelpout, pighead eelpout, shortsnout eelpout, soft eelpout
  Bothrocara pusillum (Bean, 1890) – valid – Alaska eelpout
  Bothrocara remigerum Gilbert, 1915 – invalid
  Bothrocara soldatovi (Schmidt, 1950) – valid
  Bothrops bilineatus smaragdinus Hoge, 1966 – valid
  Bothrops cotiara (Gomes, 1913) – valid
  Bothrops jararaca (Wied-Neuwied, 1824) – valid
  Bothrops jararacussu Lacerda, 1884 – valid
  Bothrops marajoensis Hoge, 1966 – valid – Marajó Lancehead
  Bothrops neuwiedi paramanensis Amaral, 1925 – invalid
  Bothrops neuwiedi paranaensis Amaral, 1925 – invalid
  Bothynostethus paraensis (Spinola, 1851) – valid
  Bowmaniella parageia Brattegard, 1970 – valid
  Brachicara Marschall, 1873 – invalid
  Brachioppiella paranasalis Lee & Subías, 1991 – valid
  Brachoria separanda Chamberlin, 1947 – valid
  Brachoria separanda calcaria Keeton, 1959 – valid
  Brachoria separanda hamata Keeton, 1959 – valid
  Brachoria separanda separanda Chamberlin, 1947 – valid
  Brachoria separanda versicolor Hoffman, 1963 – valid
  Brachycara Thomson, 1869 – valid
  Brachycara advena (Walker, 1851) – valid
  Brachycara digitata James, 1966 – valid
  Brachycara grandis James, 1962 – valid
  Brachycara latifrons James, 1960 – valid
  Brachycara maculata (James, 1953) – valid
  Brachycara slossonae (Johnson, 1913) – valid
  Brachycara thomsoni Bezzi, 1928 – valid
  Brachycara ventralis Thomson, 1869 – valid
  Brachycara yukawai Nagatomi, 1977 – invalid
  Brachychthonius parahirtus Subías & Gil-Martín, 1991 – valid
  Brachycythara Woodring, 1928 – valid
  Brachycythara barbarae Lyons, 1972 – valid
  Brachycythara biconica (C. B. Adams, 1850) – valid
  Brachyhesma matarankae Exley, 1977 – valid
  Brachyinsara Rehn and Hebard, 1914 – valid
  Brachyinsara hemiptera Hebard, 1939 – valid
  Brachynemurus arapahoe (Banks, 1938) – invalid
  Brachypsyche rara (Martynov, 1914) – valid
  Brachystegus cataractae Arnold, 1940 – valid
  Brachyteles arachnoides (É. Geoffroy Saint-Hilaire, 1806) – valid – muriqui, Southern Muriqui
  Bradleya arata (Brady, 1880) – valid
  Bradypodion damaranum (Boulenger, 1887) – valid – Knysna Dwarf Chameleon
  Bradypterus lopezi barakae Sharpe, 1906 – valid
  Bradypterus lopezi usambarae Reichenow, 1917 – valid
  Bradysia paradichaeta (Shaw, 1941) – valid
  Bramocharax Gill in Gill and Bransford, 1877 – valid
  Bramocharax baileyi Rosen, 1972 – valid
  Bramocharax bransfordii Gill in Gill and Bransford, 1877 – valid
  Bramocharax caballeroi Contreras-Balderas and Rivera-Teillery, 1985 – valid – Catemaco characin, pepesca de Catemaco
  Bramocharax dorioni Rosen, 1970 – valid
  Branchinema paratelphusi Farooqui, 1967 – valid
  Branchiobdella parasita (Braun, 1805) – valid
  Branchiobdella parasitica (Braun, 1805) – invalid
  Branchiobdella varians parasita (Braun, 1805) – invalid
  Branchiostoma arabiae Webb, 1957 – valid
  Brasixenos araujoi (Oliveira and Kogan, 1962) – invalid
  Braunsapis paradoxa (Strand, 1915) – valid
  Bregmaceros arabicus D'Ancona and Cavinato, 1965 – valid
  Breviraja claramaculata McEachran and Matheson, 1985 – valid – brightspot skate
  Breviscelio arabicus Caleca, 1990 – valid
  Brevurus masandaranus Schmalfuss, 1986 – valid
  Briarachnia Gordon, 1984 – valid
  Briarachnia robusta Gordon, 1984 – valid
  Briaraxis Brendel, 1894 – valid
  Briaraxis depressa Brendel, 1894 – valid
  Brignoliella sarawak Shear, 1978 – valid
  Brisinga parallela Koehler, 1909 – valid
  Brochiella hexaradiata (Broch, 1907) – invalid
  Bronchocela smaragdina Günther, 1864 – valid – Günther's Bloodsucker
  Brookesia antakarana Raxworthy and Nussbaum, 1995 – valid
  Brotogeris chrysoptera tuipara (Gmelin, 1788) – valid
  Brucepattersonius guarani Mares and Braun, 2000 – valid – Guaraní Akodont
  Brucepattersonius paradisus Mares and Braun, 2000 – valid – Arroyo of Paradise Akodont
  Bryantella smaragdus (Crane, 1945) – valid
  Bryconamericus guaytarae Eigenmann and Henn in Eigenmann, Henn and Wilson, 1914 – valid
  Bryophaenocladius subparallelus (Malloch, 1915) – valid
  Buccinum parallelum Dall, 1919 – invalid
  Buddelundiella cataractae Verhoeff, 1930 – valid
  Bufo arabicus Heyden, 1827 – valid
  Bufo asmarae Tandy, Bogart, Largen and Feener, 1982 – invalid
  Bufo damaranus Mertens, 1954 – invalid
  Bufo dombensis damaranus Mertens, 1954 – invalid
  Bufo fenoulheti damaranus Mertens, 1954 – invalid
  Bufo marinus paracnemis Lutz, 1925 – invalid
  Bufo paracnemis Lutz, 1925 – invalid
  Bufo regularis marakwetensis Roux, 1936 – invalid
  Bungarus ceylonicus karavala Deraniyagala, 1955 – valid
  Bunocephalus larai Ihering, 1930 – valid
  Burhinus oedicnemus saharae (Reichenow, 1894) – valid
  Burmoniscus calcaratus Taiti & Manicastri, 1988 – valid
  Burmoniscus ferrarai (Schmalfuss, 1983) – valid
  Byrrhinus tarawakanus Delčve, 1973 – valid
  Bythotiara Günther, 1903 – valid
  Bythotiara depressa Naumov, 1960 – valid
  Bythotiara drygalskii Vanhöffen, 1912 – valid
  Bythotiara huntsmani (Fraser, 1911) – valid
  Bythotiara murrayi Günther, 1903 – valid
  Bythotiara stilbosa Mills and Rees, 1979 – valid
  Caaeteboia amarali (Wettstein, 1930) – valid – Amaral's Ground Snake
  Caballerocotyla biparasitica – valid
  Caberodes varadaria Walker, 1860 – invalid
  Caecognathia paratrechia Cohen & Poore, 1994 – valid
  Caelorinchus aratrum Gilbert, 1905 – valid
  Caelorinchus kamoharai Matsubara, 1943 – valid – Kamohara whiptail, Kamohara grenadier
  Caelorinchus matsubarai Okamura in Okamura, Amaoka and Mitani, 1982 – valid
  Caelorinchus parallelus (Günther, 1877) – valid – spiny rattail, spiny grenadier
  Caelorinchus pseudoparallelus Trunov, 1983 – valid
  Caenocara Thomson, 1859 – valid
  Caenocara affine (Boheman, 1858) – valid
  Caenocara bicolor (Germer, 1824) – valid
  Caenocara blanchardi Fall, 1905 – valid
  Caenocara californicum LeConte, 1878 – valid
  Caenocara frontale Fall, 1905 – valid
  Caenocara ineptum Fall, 1905 – valid
  Caenocara laterale LeConte, 1878 – valid
  Caenocara neomexicanum Fall, 1905 – valid
  Caenocara nigricorne Manee, 1915 – valid
  Caenocara occidens Casey, 1885 – invalid
  Caenocara oculatum (Say, 1824) – valid
  Caenocara ovale Fall, 1905 – valid
  Caenocara scymnoides LeConte, 1865 – valid
  Caenocara simile (Say, 1835) – valid
  Caenocara tenuipalpum Fall, 1905 – valid
  Caenohalictus azarae Cockerell, 1926 – valid
  Caenonomada unicalcarata (Ducke, 1908) – valid
  Caenorhabditis rara – valid
  Caenoscelis paralella Casey, 1900 – valid
  Caffrowithius garambae (Beier, 1972) – valid
  Calamaria pavimentata miyarai Takara, 1962 – valid
  Calcarius lapponicus subcalcaratus (C. L. Brehm, 1826) – valid
  Calconiscellus karawankianus (Verhoeff, 1908) – valid
  Caledonispa sarasini (Heller in Sarasin and Roux, 1916) – valid
  Caledonotrichia charadra Kelley, 1989 – valid
  Caleschara Macgillivray, 1880 – valid
  Caleschara denticulata (Macgillivray, 1868) – valid
  Caleschara laxa Canu and Bassler, 1929 – invalid
  Caleschara levinseni Harmer, 1926 – valid
  Calliactis parasitica (Couch, 1844) – valid
  Callianassa guara Rodrigues, 1971 – invalid
  Calliaster erucaradiatus Livingstone, 1936 – valid
  Callicebus barbarabrownae Hershkovitz, 1990 – valid – blond titi monkey, Blond Titi, Barbara Brown's Titi
  Callionymus calcaratus Macleay, 1881 – invalid – stinkfish, stinkfish
  Callispa sundara Maulik, 1919 – valid
  Callistoctopus arakawai Taki, 1964 – invalid
  Callitrichia marakweti Fage, 1936 – valid
  Callizzia certiorara Pearsall, 1906 – valid
  Callomyia clara Kessel, 1949 – valid
  Callophrys sheridanii paradoxa Scott, 1986 – valid
  Callosciurus prevostii sarawakensis (Gray, 1867) – valid
  Calodipoena tarautensis Baert, 1988 – valid
  Calomyrmex purpureus smaragdinus Emery, 1898 – valid
  Calosoma (Carabosoma) Géhin, 1885 – valid
  Calotes ellioti amarambalamensis Murthy, 1978 – valid
  Calumma brevicorne tsarafidyi (Brygoo and Domergue, 1970) – invalid
  Calumma tsaratananense (Brygoo and Domergue, 1967) – valid
  Calumma tsaratananensis (Brygoo and Domergue, 1967) – invalid
  Calycopsis gara Petersen, 1957 – valid
  Calymmaria farallon Heiss & Draney, 2004 – valid
  Calyptocephala paralutea Buzzi and Miyazaki, 1992 – valid
  Calyptomyrmex barak Bolton, 1981 – valid
  Calyptronema paradoxum Marion, 1870 – valid
  Calythea separata Malloch, 1924 – invalid
  Cambarincola barbarae Holt, 1981 – valid
  Cameronia paradoxa Bourguignat, 1886 – invalid
  Camillina tarapaca Platnick & Shadab, 1982 – valid
  Campephilus melanoleucos cearae (Cory, 1915) – valid
  Campiglossa aragonensis (Hering, 1934) – valid
  Campiglossa cassara (Walker, 1849) – valid
  Campiglossa separabilis (Hering, 1941) – valid
  Camponotus arabicus Collingwood, 1985 – valid
  Camponotus caracalla Forel, 1912 – valid
  Camponotus karawaiewi Menozzi, 1926 – valid
  Camponotus melanoticus paranaensis Santschi, 1939 – valid
  Camponotus paradoxus Mayr, 1866 – valid
  Camponotus sylvaticus paradichrous Emery, 1925 – valid
  Campsicnemus calcaratus Van Duzee, 1924 – invalid
  Campsiophora arawak Flint, 1968 – valid
  Camptocosa parallela (Banks, 1898) – valid
  Camptostoma obsoletum maranonicum Carriker, 1933 – valid
  Campylaspis selvakumarani (Bacescu and Muradian, 1974) – valid
  Campylorhynchus capistratus nicaraguae (W. Miller & Griscom, 1925) – valid
  Campylotingis clara Drake and Hambleton, 1942 – valid
  Canariomys tamarani Lopez-Martinez and Lopez-Jurado, 1987 – valid
  Canda arachnoides Lamouroux, 1816 – valid
  Candacia parafalcifera Brodsky, 1950 – valid
  Candona parallela G. W. Müller, 1900 – invalid
  Candona paraohioensis Staplin, 1963 – valid
  Candona rara Müller, 1900 – invalid
  Cangatiella arandasi Pavanelli & Machado dos Santos, 1991 – valid
  Canis lupus arabs Pocock, 1934 – valid
  Cantacader claratis Drake, 1950 – invalid
  Cantacader laratanus Drake, 1947 – valid
  Canthyporus subparallelus Guignot, 1956 – valid
  Cantorchilus guarayanus (Orbigny & Lafresnaye, 1837) – valid – Fawn-breasted Wren
  Capicola flavicara Eardley, 2007 – valid
  Capicua acalcarata Michel and Akoudjin, 2011 – valid
  Capitonisalda aethiopica carayoni (Drake, 1956) – valid
  Capitonisalda carayoni (Drake, 1956) – invalid
  Capnia arapahoe Nelson and Kondratieff, 1988 – valid
  Capnia saratoga Nelson and Baumann, 1987 – valid
  Caponina paramo Platnick, 1994 – valid
  Caprella parapaulina – valid
  Caprimulgus aegyptius saharae Erlanger, 1899 – valid
  Caprimulgus hirundinaceus cearae (Cory, 1917) – invalid
  Caprimulgus indicus hazarae Whistler, 1935 – invalid
  Caprimulgus jotaka hazarae Whistler, 1935 – valid
  Carabdytes Balke, Hendrich and Wewalka, 1992 – valid
  Carabdytes upin Balke, Hendrich and Wewalka, 1992 – valid
  Carabdytini Pederzani, 1995 – valid
  Carabella Chickering, 1946 – valid
  Carabella banksi Chickering, 1946 – valid
  Carabella insignis (Banks, 1929) – valid
  Carabhydrini Watts, 1978 – invalid
  Carabhydrus Watts, 1978 – valid
  Carabhydrus andreas Zwick, 1981 – valid
  Carabhydrus innae Hendrich and Watts, 2009 – valid
  Carabhydrus janmillerae Hendrich and Watts, 2009 – valid
  Carabhydrus monteithi Watts, 1978 – valid
  Carabhydrus mubboonus Larson and Storey, 1994 – valid
  Carabhydrus niger Watts, 1978 – valid
  Carabhydrus plicatus Watts, 1978 – valid
  Carabhydrus stephanieae Watts, Hancock and Leys, 2007 – valid
  Carabhydrus storeyi Hendrich and Watts, 2009 – valid
  Carabhydrus turaki Hendrich and Watts, 2009 – valid
  Carabidae Latreille, 1802 – valid – ground beetles, carabes, carabids
  Carabinae Latreille, 1802 – valid
  Carabini Latreille, 1802 – valid
  Caraboacaridae – valid
  Carabocepheidae Mahunka, 1986 – valid
  Carabocepheus Berlese, 1910 – valid
  Carabocepheus lounsburyi (Berlese, 1910) – valid
  Carabocepheus lounsburyi latior Balogh & Mahunka, 1966 – valid
  Carabocepheus lounsburyi lounsburyi (Berlese, 1910) – valid
  Carabodes Koch, 1835 – valid
  Carabodes (Carabodes) Koch, 1835 – valid
  Carabodes (Flexa) Kulijev, 1977 – valid
  Carabodes (Klapperiches) Mahunka, 1979 – valid
  Carabodes (Phyllocarabodes) Balogh & Mahunka, 1969 – valid
  Carabodes affinis Berlese, 1913 – valid
  Carabodes agenjoi Pérez-Íńigo, 1969 – valid
  Carabodes andasibe Mahunka, 1993 – valid
  Carabodes apuanicus Bernini, 1979 – valid
  Carabodes arduinii Valle, 1955 – valid
  Carabodes areolatus Berlese, 1916 – valid
  Carabodes atrichosus Mahunka, 1984 – valid
  Carabodes auriculatus Mahunka, 1987 – valid
  Carabodes azoricus C. & C., jr. Pérez-Íńigo, 1996 – valid
  Carabodes basilewskyi Balogh, 1958 – valid
  Carabodes bellus Aoki, 1959 – valid
  Carabodes berninii Mahunka, 1983 – valid
  Carabodes bicolor Balogh, 1958 – valid
  Carabodes bidens (Djaparidze, 1990) – valid
  Carabodes borhidii Balogh & Mahunka, 1979 – valid
  Carabodes breviclava Aoki, 1970 – valid
  Carabodes brevis Banks, 1896 – valid
  Carabodes calcaratus (Mahunka, 1985) – valid
  Carabodes california Reeves & Behan-Pelletier, 1998 – valid
  Carabodes cephalotes Koch, 1836 – valid
  Carabodes cerebrum Fujikawa, 1993 – valid
  Carabodes chandleri Reeves, 1992 – valid
  Carabodes cherokee Reeves, 1993 – valid
  Carabodes chirstlus Mahunka, 1987 – valid
  Carabodes clavatus Warburton, 1912 – valid
  Carabodes cochleaformis Reeves, 1990 – valid
  Carabodes colorado Reeves & Behan-Pelletier, 1998 – valid
  Carabodes comas Kulijev, 1979 – valid
  Carabodes coriaceus Koch, 1835 – valid
  Carabodes coronatus Mahunka, 1986 – valid
  Carabodes coweetaensis Reeves, 1995 – valid
  Carabodes depilatus Balogh & Mahunka, 1969 – valid
  Carabodes dickinsoni Reeves & Behan-Pelletier, 1998 – valid
  Carabodes dissimilis Bernini, 1976 – valid
  Carabodes dubius Kulijev, 1968 – valid
  Carabodes dudichi Mahunka & Mahunka-Papp, 1999 – valid
  Carabodes ecuadoriensis P. Balogh, 1988 – valid
  Carabodes egregius Djaparidze, 1990 – valid
  Carabodes erectus Reeves, 1992 – valid
  Carabodes excellens Balogh & Mahunka, 1969 – valid
  Carabodes falcatus Jacot, 1937 – valid
  Carabodes femoralis (Nicolet, 1855) – valid
  Carabodes floridus Berlese, 1913 – valid
  Carabodes fossatus (Kramer, 1897) – valid
  Carabodes gibbiceps Berlese, 1916 – valid
  Carabodes globiger Balogh, 1970 – valid
  Carabodes grandjeani Bernini, 1977 – valid
  Carabodes granosus Sellnick, 1959 – valid
  Carabodes granulatus Banks, 1895 – valid
  Carabodes gregorioi Gil-Martín & Subías, 1997 – valid
  Carabodes guadarramicus Subías & Arillo, 2001 – valid
  Carabodes higginsi Reeves, 1988 – valid
  Carabodes hispanicus Pérez-Íńigo, 1966 – valid
  Carabodes hoh Reeves & Behan-Pelletier, 1998 – valid
  Carabodes horeo (Djaparidze, 1990) – valid
  Carabodes hummelincki (Willmann, 1936) – valid
  Carabodes hungaricus Balogh, 1943 – valid
  Carabodes ikeharai Aoki, 1988 – valid
  Carabodes inopinatus (Mahunka, 1985) – valid
  Carabodes insolitus (P. Balogh, 1984) – valid
  Carabodes intermedius Willmann, 1951 – valid
  Carabodes interruptus Reeves, 1992 – valid
  Carabodes jamaicaensis Woolley, 1967 – valid
  Carabodes kusseri J. & P. Balogh, 1983 – valid
  Carabodes labyrinthicus (Michael, 1879) – valid
  Carabodes littoristicus (Reeves, 1997) – valid
  Carabodes luteoauratus Hammer, 1972 – valid
  Carabodes magnus Kunst, 1961 – valid
  Carabodes manganoi Bernini, 1976 – valid
  Carabodes manifera Hammer, 1977 – valid
  Carabodes marginatus (Michael, 1884) – valid
  Carabodes microtrichus Mahunka, 1984 – valid
  Carabodes minusculus Berlese, 1923 – valid
  Carabodes montanus Bernini, 1979 – valid
  Carabodes nantahalaensis Reeves, 1993 – valid
  Carabodes neonominatus Subías, 2004 – valid
  Carabodes niger Banks, 1895 – valid
  Carabodes nigrosetosus (Mahunka, 1979) – valid
  Carabodes nitens Johnston, 1847 – valid
  Carabodes octogonalis (Balogh & Mahunka, 1969) – valid
  Carabodes ornatissimus Hammer, 1966 – valid
  Carabodes ornatus Storkán, 1925 – valid
  Carabodes ornatus (P. Balogh, 1986) – valid
  Carabodes palmifer Berlese, 1904 – valid
  Carabodes paraspinosus Kulijev, 1968 – valid
  Carabodes penicillatus Berlese, 1916 – valid
  Carabodes penicillus (Mahunka, 1998) – valid
  Carabodes pentasetosus Reeves, 1992 – valid
  Carabodes perezinigoi Salinas, 1971 – valid
  Carabodes phylliformis Reeves, 1993 – valid
  Carabodes pirenaicus Subías & Arillo, 2001 – valid
  Carabodes pirinensis Kunst, 1961 – valid
  Carabodes pocsi Mahunka, 1983 – valid
  Carabodes poggii Bernini, 1976 – valid
  Carabodes polyporetes Reeves, 1991 – valid
  Carabodes problematicus Mahunka, 1985 – valid
  Carabodes procerus Weigmann & Murvanidze, 2003 – valid
  Carabodes prunum Fujikawa, 1993 – valid
  Carabodes pulcher Bernini, 1976 – valid
  Carabodes pulcher occidentalis Pérez-Íńigo & Peńa, 1996 – valid
  Carabodes pulcher pulcher Bernini, 1976 – valid
  Carabodes purpurarius Pérez-Íńigo & Peńa, 1996 – valid
  Carabodes quadrangulus Bernini, 1979 – valid
  Carabodes radiatus Berlese, 1916 – valid
  Carabodes reticulatus Berlese, 1913 – valid
  Carabodes rimosus Aoki, 1959 – valid
  Carabodes rugosior Berlese, 1916 – valid
  Carabodes samoensis J. & P. Balogh, 1986 – valid
  Carabodes schatzi Bernini, 1976 – valid
  Carabodes scopulae Kulijev, 1968 – valid
  Carabodes silvosus Fujikawa, 2004 – valid
  Carabodes similis Ruiz, Subías & Kahwash, 1989 – valid
  Carabodes spiniformis Reeves, 1995 – valid
  Carabodes spinosus Storkán, 1925 – valid
  Carabodes strinovichi Balogh & Mahunka, 1978 – valid
  Carabodes subalpinus Thor, 1937 – valid
  Carabodes subarcticus Trägĺrdh, 1902 – valid
  Carabodes subcarinatus Mahunka & Mahunka-Papp, 2000 – valid
  Carabodes tarbae (Shtanchaeva, 2004) – valid
  Carabodes tenerifensis Pérez-Íńigo, 1976 – valid
  Carabodes tenuis Forsslund, 1953 – valid
  Carabodes tenuis longisetosus Kulijev, 1968 – valid
  Carabodes tenuis tenuis Forsslund, 1953 – valid
  Carabodes translamellatus Pérez-Íńigo jr., 1990 – valid
  Carabodes transversarius Choi & Aoki, 1986 – valid
  Carabodes tridactylus Trägĺrdh, 1907 – valid
  Carabodes tsushimaensis Aoki, 1970 – valid
  Carabodes tsushimaensis dorsalis Choi & Aoki, 1986 – valid
  Carabodes tsushimaensis tsushimaensis Aoki, 1970 – valid
  Carabodes tyrrhenicus Salomone, Avanzati, Baratti & Bernini, 2003 – valid
  Carabodes variabilis Hammer, 1966 – valid
  Carabodes venezolanus Subías & Arillo, 2004 – valid
  Carabodes wettsteini Mahunka, 1996 – valid
  Carabodes willmanni Bernini, 1975 – valid
  Carabodes wonalancetanus Reeves, 1990 – valid
  Carabodidae Koch, 1837 – valid
  Carabodoidea Koch, 1837 – valid
  Carabonema – valid
  Carabonematidae – valid
  Carabro Say, 1823 – invalid
  Carabus Linnaeus, 1758 – valid
  Carabus (Archicarabus) Seidlitz, 1887 – valid
  Carabus (Aulonocarabus) Reitter, 1896 – valid
  Carabus (Carabus) Linnaeus, 1758 – valid
  Carabus (Damaster) Kollar, 1836 – valid
  Carabus (Diocarabus) Reitter, 1896 – valid
  Carabus (Hemicarabus) Géhin, 1876 – valid
  Carabus (Homoeocarabus) Reitter, 1896 – valid
  Carabus (Megodontus) Solier, 1848 – valid
  Carabus (Oreocarabus) Géhin, 1876 – valid
  Carabus (Tachypus) Weber, 1801 – valid
  Carabus (Tanaocarabus) Reitter, 1896 – valid
  Carabus auratus Linnaeus, 1760 – valid
  Carabus auratus auratus Linnaeus, 1760 – valid
  Carabus basilicus Chevrolat, 1836 – valid
  Carabus blaptoides (Kollar, 1836) – valid
  Carabus blaptoides blaptoides (Kollar, 1836) – valid
  Carabus blaptoides rugipennis (Motschulsky, 1861) – valid
  Carabus cancellatus Illiger, 1798 – valid
  Carabus chamissonis Fischer von Waldheim, 1820 – valid
  Carabus finitimus Haldeman, 1852 – valid
  Carabus forreri Bates, 1882 – valid
  Carabus forreri forreri Bates, 1882 – valid
  Carabus forreri willi Deuve, 2003 – valid
  Carabus goryi Dejean, 1831 – valid
  Carabus granulatus Linnaeus, 1758 – valid
  Carabus granulatus granulatus Linnaeus, 1758 – valid
  Carabus granulatus hibernicus Lindroth, 1956 – invalid
  Carabus limbatus Say, 1823 – invalid
  Carabus maeander Fischer von Waldheim, 1820 – valid
  Carabus maeander maeander Fischer von Waldheim, 1820 – valid
  Carabus maender Fischer von Waldheim, 1820 – invalid
  Carabus nemoralis Müller, 1764 – valid
  Carabus nemoralis nemoralis Müller, 1764 – valid
  Carabus serratus Say, 1823 – valid
  Carabus sylvosus Say, 1823 – valid
  Carabus taedatus Fabricius, 1787 – valid
  Carabus taedatus agassii LeConte, 1850 – valid
  Carabus taedatus bicanaliceps Casey, 1920 – valid
  Carabus taedatus rainieri Van Dyke, 1945 – valid
  Carabus taedatus taedatus Fabricius, 1787 – valid
  Carabus townsendi Casey, 1905 – invalid
  Carabus truncaticollis Eschscholtz, 1833 – valid
  Carabus truncaticollis truncaticollis Eschscholtz, 1833 – valid
  Carabus vietinghoffi Adams, 1812 – invalid
  Carabus vietinghoffii Adams, 1812 – valid
  Carabus vietinghoffii vietinghoffii Adams, 1812 – valid
  Carabus vinctus (Weber, 1801) – valid
  Caracal Gray, 1843 – valid
  Caracal caracal (Schreber, 1776) – valid – Caracal
  Caracal caracal algira (Wagner, 1841) – valid
  Caracal caracal caracal (Schreber, 1776) – valid
  Caracal caracal damarensis (Roberts, 1926) – valid
  Caracal caracal limpopoensis (Roberts, 1926) – valid
  Caracal caracal lucani (Rochebrune, 1885) – valid
  Caracal caracal michaelis Hepter, 1945 – invalid
  Caracal caracal nubica (J. B. Fischer, 1829) – valid
  Caracal caracal poecilotis Thomas and Hinton, 1921 – valid
  Caracal caracal schmitzi (Matschie, 1912) – valid
  Caracanthidae – valid – velvetfishes, orbicular velvetfishes
  Caracanthus Krřyer, 1845 – valid
  Caracanthus maculatus (Gray, 1831) – valid – spotted croucher
  Caracanthus madagascariensis (Guichenot, 1869) – valid
  Caracanthus typicus Krřyer, 1845 – valid
  Caracanthus unipinna (Gray, 1831) – valid
  Caracanthus unipinnus (Gray, 1831) – invalid – coral croucher
  Caracanthus zeylonicus (Day, 1870) – valid – Ceylonese velvetfish
  Caracara Merrem, 1826 – valid – Caracaras, Crested Caracaras
  Caracara cheriway (Jacquin, 1784) – valid – Crested Caracara, Northern Crested Caracara, Caracara du Nord
  Caracara cheriway audubonii (Cassin, 1865) – invalid
  Caracara lutosa (Ridgway, 1876) – valid – Guadalupe Caracara, Caracara de Guadalupe
  Caracara plancus (J. F. Miller, 1777) – valid – Crested Caracara, Southern Caracara, Caracara quebrantahuesos, Southern Crested Caracara
  Caracladus Simon, 1884 – valid
  Caracladus avicula (L. Koch, 1869) – valid
  Caracladus leberti (Roewer, 1942) – valid
  Caracladus montanus Sha & Zhu, 1994 – valid
  Caracladus tsurusakii Saito, 1988 – valid
  Caracladus zamoniensis Frick & Muff, 2009 – valid
  Caracolus Montfort, 1810 – valid
  Caracolus marginella (Gmelin, 1791) – valid – banded caracol
  Caracoris Schwartz, 1989 – valid
  Caracoris nigropunctatus Schwartz, 1989 – valid
  Caradrina Ochsenheimer, 1816 – valid
  Caradrina atrostriga (Barnes and McDunnough, 1912) – valid
  Caradrina beta (Barnes and Benjamin, 1926) – valid
  Caradrina camina (Smith, 1894) – valid
  Caradrina clavipalpis (Scopoli, 1763) – valid
  Caradrina distincta (Barnes, 1928) – invalid
  Caradrina distinctoides Poole, 1989 – valid
  Caradrina extima (Walker, 1865) – invalid
  Caradrina meralis (Morrison, 1875) – valid
  Caradrina mona (Barnes and McDunnough, 1912) – valid
  Caradrina montana (Bremer, 1861) – valid
  Caradrina morpheus (Hufnagel, 1766) – valid
  Caradrina multifera (Walker, 1857) – valid
  Caradrinina Boisduval, 1840 – valid
  Caradrinini Boisduval, 1840 – valid
  Caragobius Smith and Seale, 1906 – valid
  Caragobius rubristriatus (Saville-Kent, 1889) – valid
  Caragobius urolepus (Bleeker, 1852) – valid
  Caraiba Zaher, Grazziotin, Cadle, Murphy, Moura-Leite and Bonatto, 2009 – valid
  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
  Caraibodesmini Hoffman, 1979 – valid
  Caraibodesmus Chamberlin, 1918 – valid
  Caraibodesmus acutipes Loomis, 1975 – valid
  Caraibodesmus bruesi Chamberlin, 1918 – valid
  Caraibodesmus criniger Loomis, 1937 – valid
  Caraibodesmus formosus (Pocock, 1894) – valid
  Caraibodesmus lewisi Hoffman, 1979 – valid
  Caraibodesmus mammatus (Pocock, 1894) – valid
  Caraibodesmus morantus (Karsch, 1881) – valid
  Caraibodesmus pellus Chamberlin, 1918 – valid
  Caraibodesmus pictus Loomis, 1969 – valid
  Caraibodesmus sculpturatus Loomis, 1975 – valid
  Caraibodesmus verrucosus (Pocock, 1894) – valid
  Caraiboscia Vandel, 1968 – valid
  Caraiboscia microphthalma Vandel, 1968 – valid
  Caraimatta Lehtinen, 1981 – valid
  Caraimatta blandini Lehtinen, 1981 – valid
  Caraimatta cambridgei (Bryant, 1940) – valid
  Caraimatta sbordonii (Brignoli, 1972) – valid
  Carales Walker, 1855 – valid
  Carales arizonensis (Rothschild, 1909) – valid
  Caralinda Hoffman, 1978 – valid
  Caralinda beatrix Hoffman, 1978 – valid
  Caralinda causeyae Shelley, 1983 – valid
  Caralinda dactylifera Shelley, 1983 – valid
  Caralinda pulchritecta Shelley, 1979 – valid
  Caralophia Böhlke, 1955 – valid
  Caralophia loxochila Böhlke, 1955 – valid – slantlip eel
  Caramba Shear, 1977 – valid
  Caramba delburro Shear, 1977 – valid
  Caramba enbecausius Shear, 1982 – valid
  Caramba grandeza Shear, 1977 – valid
  Carangidae – valid – jacks, pompanos, carangues, pampanos, saurels, jureles y pámpanos
  Carangoides Bleeker, 1851 – valid – island jacks
  Carangoides ajax Snyder, 1904 – invalid – white ulua
  Carangoides armatus (Rüppell, 1830) – valid
  Carangoides armatus (Forsskĺl, 1775) – invalid
  Carangoides bajad (Forsskĺl, 1775) – valid
  Carangoides bartholomaei (Cuvier in Cuvier and Valenciennes, 1833) – valid – yellow jack
  Carangoides caeruleopinnatus (Rüppell, 1830) – invalid
  Carangoides chrysophrys (Cuvier in Cuvier and Valenciennes, 1833) – valid – longnosed trevally
  Carangoides ciliarius (Rüppell, 1830) – valid – longfin kingfish
  Carangoides coeruleopinnatus (Rüppell, 1830) – valid – bluefin kingfish
  Carangoides dinema Bleeker, 1851 – valid – twothread trevally
  Carangoides equula (Temminck and Schlegel, 1844) – valid – whitefinned crevalle
  Carangoides ferdau (Forsskĺl, 1775) – valid – yellowspotted crevalle
  Carangoides fulvoguttatus (Forsskĺl, 1775) – valid – yellowspotted kingfish
  Carangoides gymnostethoides Bleeker, 1851 – invalid
  Carangoides gymnostethus (Cuvier in Cuvier and Valenciennes, 1833) – valid
  Carangoides hedlandensis (Whitley, 1934) – valid
  Carangoides humerosus (McCulloch, 1915) – valid
  Carangoides malabaricus (Bloch and Schneider, 1801) – valid – hunchback trevally
  Carangoides oblongus (Cuvier in Cuvier and Valenciennes, 1833) – valid – coachwhip trevally
  Carangoides orthogrammus (Jordan and Gilbert, 1882) – valid – island jack
  Carangoides otrynter (Jordan and Gilbert, 1883) – valid
  Carangoides plagiotaenia Bleeker, 1857 – valid – obliquebanded trevally
  Carangoides praeustus (Anonymous [Bennett], 1830) – valid – brownbacked trevally
  Carangoides ruber (Bloch, 1793) – valid – bar jack
  Carangoides talamparoides Bleeker, 1852 – valid
  Carangolia J. L. Barnard, 1961 – valid
  Carangolia mandibularis J. L. Barnard, 1961 – valid
  Carangoliopsidae Bousfield, 1977 – valid
  Carangoliopsis Ledoyer, 1970 – valid
  Caranx Lacepčde, 1801 – valid – cavallas, crevallies, bigeye jacks
  Caranx adscensionis (Osbeck, 1771) – invalid – kingfish, cavallyjack, cavallyjack, kingfish
  Caranx altissimus Jordan and Seale, 1905 – invalid – trevally, trevally
  Caranx amblyrhynchus Cuvier in Cuvier and Valenciennes, 1833 – invalid
  Caranx armatus (Forsskĺl, 1775) – invalid – longfinned trevally, longfinned trevally
  Caranx auroguttatus Cuvier in Cuvier and Valenciennes, 1833 – invalid – goldspotted jack, goldspotted jack
  Caranx bartholomaei Cuvier in Cuvier and Valenciennes, 1833 – invalid – yellow jack, cojinuda amarilla
  Caranx bucculentus Alleyne and Macleay, 1877 – valid – bluespotted trevally, bluespotted trevally
  Caranx caballus Günther, 1868 – valid – green jack, jurel bonito
  Caranx caninus Günther, 1867 – valid – Pacific crevalle jack, jurel toro
  Caranx carangus (Bloch, 1793) – invalid – blacktailed trevally, blacktailed trevally
  Caranx celetus Smith, 1968 – invalid – greenspotted kingfish, greenspotted kingfish
  Caranx cheilio (Snyder, 1904) – invalid
  Caranx chrysophrys Cuvier in Cuvier and Valenciennes, 1833 – invalid – longnosed trevally, longnosed trevally
  Caranx ciliarius (Rüppell, 1830) – invalid – longfin kingfish, longfin kingfish
  Caranx coeruleopinnatus Rüppell, 1830 – invalid – bluefin kingfish
  Caranx crysos (Mitchill, 1815) – valid – blue runner, cojinúa, cojinuda negra
  Caranx deani Jordan and Seale, 1905 – invalid – kalobe, kalobe
  Caranx delicatissimus Döderlein in Steindachner and Döderlein, 1884 – invalid – striped jack, striped jack
  Caranx dentex (Bloch and Schneider, 1801) – invalid – underjaw kingfish, white trevally
  Caranx dinema (Bleeker, 1851) – invalid – twothread trevally, twothread trevally
  Caranx djeddaba (Forsskĺl, 1775) – invalid – slender yellowtail kingfish, slender yellowtail kingfish
  Caranx dorsalis (Gill, 1863) – invalid – pampano, pampano
  Caranx dumerili Risso, 1810 – invalid
  Caranx emburyi (Whitley, 1932) – invalid – turrum, turrum
  Caranx equula Temminck and Schlegel, 1844 – invalid – whitefinned crevalle, whitefinned crevalle
  Caranx ferdau (Forsskĺl, 1775) – invalid – yellowspotted crevalle, yellowspotted crevalle
  Caranx fulvoguttatus (Forsskĺl, 1775) – invalid – yellowspotted kingfish, yellowspotted kingfish
  Caranx fusus Geoffroy Saint-Hilaire, 1817 – invalid – blue runner, blue runner
  Caranx georgianus Cuvier in Cuvier and Valenciennes, 1833 – invalid – white trevally, white trevally
  Caranx guara (Bonnaterre, 1788) – invalid – gwelly, gwelly
  Caranx gymnostethoides (Bleeker, 1851) – invalid – bludger, bludger
  Caranx heberi (Bennett, 1830) – valid
  Caranx helvolus (Forster in Bloch and Schneider, 1801) – invalid – whitetongued crevalle
  Caranx hippos (Linnaeus, 1766) – valid – crevalle jack, jiguagua, jurel común
  Caranx ignobilis (Forsskĺl, 1775) – valid – lowly trevally
  Caranx ignoblis (Forsskĺl, 1775) – invalid
  Caranx kalla Cuvier in Cuvier and Valenciennes, 1833 – invalid – herring trevally
  Caranx latus Agassiz in Spix and Agassiz, 1831 – valid – horse-eye jack, gallego, jurel blanco
  Caranx leptolepis Cuvier in Cuvier and Valenciennes, 1833 – invalid – thinscaled trevally, thinscaled trevally
  Caranx lugubris Poey, 1860 – valid – black jack, tińosa, jurel negro
  Caranx lutescens (Richardson and Solander in Richardson, 1843) – invalid – trevally, araara, trevally
  Caranx macarellus Cuvier in Cuvier and Valenciennes, 1833 – invalid
  Caranx malabaricus (Bloch and Schneider, 1801) – invalid – hunchback trevally
  Caranx malabraicus (Bloch and Schneider, 1801) – invalid
  Caranx malam (Bleeker, 1851) – invalid – malam trevally, malam trevally
  Caranx marginatus Gill, 1863 – invalid – Pacific horse-eye jack
  Caranx maruadsi Temminck and Schlegel, 1843 – invalid
  Caranx mate Cuvier in Cuvier and Valenciennes, 1833 – invalid – deep trevally
  Caranx melampygus Cuvier in Cuvier and Valenciennes, 1833 – valid – black ulua, jurel aleta azul, bluefin trevally
  Caranx muroadsi Temminck and Schlegel, 1844 – invalid
  Caranx nobilis Macleay, 1881 – invalid – white travally, white travally
  Caranx oblongus Cuvier in Cuvier and Valenciennes, 1833 – invalid – coachwhip trevally, coachwhip trevally
  Caranx otrynter Jordan and Gilbert, 1883 – invalid – jurel chicuaca, threadfin jack
  Caranx papuensis Alleyne and Macleay, 1877 – valid – Papuan trevally
  Caranx parasitus Garman, 1903 – invalid
  Caranx pectoralis Chu and Cheng, 1958 – invalid – shortfinned trevally, shortfinned trevally
  Caranx pinnulatus Eydoux and Souleyet, 1850 – invalid
  Caranx plagiotaenia (Bleeker, 1857) – invalid – obliquebanded trevally, obliquebanded trevally
  Caranx platessa Cuvier in Cuvier and Valenciennes, 1833 – invalid – longsnouted trevally, longsnouted trevally
  Caranx praeustus Anonymous [Bennett], 1830 – invalid – brownbacked trevally, brownbacked trevally
  Caranx punctatus Cuvier, 1829 – invalid
  Caranx radiatus Macleay, 1881 – invalid
  Caranx rhonchus Geoffroy Saint-Hilaire, 1817 – valid
  Caranx ruber (Bloch, 1793) – invalid – bar jack, cibí carbonero, cojinuda carbonera
  Caranx russelli Rüppell, 1830 – invalid
  Caranx sansum (Forsskĺl, 1775) – invalid
  Caranx sansun (Forsskĺl, 1775) – invalid – greenback trevally
  Caranx scombrinus Valenciennes, 1846 – invalid
  Caranx sem Cuvier in Cuvier and Valenciennes, 1833 – invalid
  Caranx senegallus Cuvier in Cuvier and Valenciennes, 1833 – valid
  Caranx sexfasciatus Quoy and Gaimard, 1825 – valid – great trevally, jurel voraz, bigeye trevally
  Caranx speciosus (Forsskĺl, 1775) – invalid
  Caranx stellatus Eydoux and Souleyet, 1850 – invalid – starry trevally, starry trevally
  Caranx tille Cuvier in Cuvier and Valenciennes, 1833 – valid
  Caranx uii Wakiya, 1924 – invalid – onion kingfish, onion kingfish
  Caranx vinctus Jordan and Gilbert, 1882 – valid – cocinera, cocinera, cocinero, cocinero
  Caranx williamsi Smith, 1968 – invalid – yellowtail kingfish, yellowtail kingfish
  Carapacea – valid
  Caraphractus Walker, 1846 – valid
  Caraphtactis cinctus Walker, 1846 – valid
  Carapidae – valid – pearlfishes, perleros, aurins
  Carapinae – valid – pearlfishes
  Carapoia González-Sponga, 1998 – valid
  Carapoia brescoviti Huber, 2005 – valid
  Carapoia crasto Huber, 2005 – valid
  Carapoia fowleri Huber, 2000 – valid
  Carapoia genitalis (Moenkhaus, 1898) – valid
  Carapoia ocaina Huber, 2000 – valid
  Carapoia paraguaensis González-Sponga, 1998 – valid
  Carapoia rheimsae Huber, 2005 – valid
  Carapoia ubatuba Huber, 2005 – valid
  Carapoia una Huber, 2005 – valid
  Carapus Rafinesque, 1810 – valid – pearlfishes
  Carapus acus (Brünnich, 1768) – valid
  Carapus bermudensis (Jones, 1874) – valid – fierásfer, perlero del Atlántico, Atlantic pearlfish, pearlfish
  Carapus birpex Arnold, 1956 – invalid
  Carapus boraborensis (Kaup, 1856) – invalid
  Carapus caninus (Günther, 1862) – invalid
  Carapus cinereus Smith, 1955 – invalid – eel pearlfish
  Carapus cuspis Arnold, 1956 – invalid
  Carapus dubius (Putnam, 1874) – valid – Pacific pearlfish, perlero del Pacífico
  Carapus fasciatus (Pallas, 1769) – invalid
  Carapus homei (Richardson, 1846) – invalid – pearlfish, silver pearlfish
  Carapus houlti (Ogilby, 1922) – invalid – humback messmate
  Carapus inaequilabiatus Valenciennes, 1842 – invalid
  Carapus kagoshimanus (Steindachner and Döderlein, 1887) – invalid
  Carapus margaritiferae (Rendahl, 1921) – invalid – clam pearlfish
  Carapus mourlani (Petit, 1934) – valid
  Carapus owasianus Matsubara, 1953 – invalid
  Carapus parvipinnis (Kaup, 1865) – invalid
  Carapus pindae Smith, 1955 – invalid
  Carapus reedi Smith, 1955 – invalid – reedy pearlfish
  Carapus sluiteri (Weber, 1905) – valid
  Carapus variegatus Fowler and Steinitz, 1956 – invalid
  Carasobarbus Karaman, 1971 – valid
  Carasobarbus chantrei (Sauvage, 1882) – valid
  Carasobarbus exulatus (Banister and Clarke, 1977) – valid
  Carassioides Oshima, 1926 – valid
  Carassioides acuminatus (Richardson, 1846) – valid
  Carassius Nilsson, 1832 – valid – Crucian carps
  Carassius auratus (Linnaeus, 1758) – valid – goldfish, carpa dorada, carassin
  Carassius carassius (Linnaeus, 1758) – valid – crucian carp
  Carassius cuvieri Temminck and Schlegel, 1846 – valid
  Carassius gibelio (Bloch, 1782) – valid
  Carassius vulgaris Nilsson, 1840 – invalid
  Carassotrema – valid
  Carassotrema mugilicola – valid
  Carathea Moran, 1986 – valid
  Carathea miyali Moran, 1986 – valid
  Carathea parawea Moran, 1986 – valid
  Carathrips Hood, 1950 – valid
  Carathrips ampliceps (Hood, 1938) – valid
  Carathrips delicatulus (Hood, 1939) – valid
  Carathrips mediamericanus (Hood, 1934) – valid
  Carathrips sculpticollis (Hood, 1938) – valid
  Carayaca González-Sponga, 1998 – valid
  Carayaca ornata González-Sponga, 1998 – valid
  Carayonella Poisson, 1948 – valid
  Carayonella Poisson, 1948 – invalid
  Carayonella guineensis Poisson, 1960 – invalid
  Carayonella guineensis Poisson, 1960 – invalid
  Carayonella hutchinsoni Poisson, 1948 – valid
  Carayonella hutchinsoni Poisson, 1948 – invalid
  Carayonella hutchinsoni guineensis Poisson, 1960 – valid
  Carayonella hutchinsoni guineensis Poisson, 1960 – invalid
  Carayonella hutchinsoni hutchinsoni Poisson, 1948 – valid
  Carayonella hutchinsoni hutchinsoni Poisson, 1948 – invalid
  Carayonhygia Brailovsky, 2002 – valid
  Carayonhygia javanus Brailovsky, 2002 – valid
  Carayonia Villiers, 1951 – valid
  Carayonia australiensis Malipatil, 1990 – valid
  Carayonia cachani Villiers, 1959 – valid
  Carayonia camerunensis Villiers, 1951 – valid
  Carayonia culiciformis Usinger, 1952 – valid
  Carayonia hulstaerti Villiers, 1969 – valid
  Carayonia milloti Villiers, 1960 – valid
  Carayonia nitens (Miller, 1952) – valid
  Carayonia orientalis Ishikawa and Okajima, 2004 – valid
  Carayonia recurvispina Villiers, 1959 – valid
  Carayonia tshuapensis Villiers, 1969 – valid
  Carazziella Blake and Kudenov, 1978 – valid
  Carazziella calafia – valid
  Carazziella carrascoi – valid
  Carazziella citrona (Hartman, 1941) – valid
  Carazziella hirsutiseta – valid
  Carazziella hobsonae – valid
  Carazziella hymenobranchiata – valid
  Carazziella patagonica – valid
  Carazziella phillipensis – valid
  Carazziella reishi (Woodwick, 1964) – valid
  Carazziella victoriensis – valid
  Carcharhinus nicaraguensis (Gill in Gill and Bransford, 1877) – invalid
  Carcharias kamoharai Matsubara, 1936 – invalid
  Carcinarachne Schmidt, 1956 – valid
  Carcinarachne brocki Schmidt, 1956 – valid
  Cardiocondyla paradoxa Emery, 1897 – valid
  Cardiocranius paradoxus Satunin, 1903 – valid – Five-toed Pygmy Jerboa, Five-toed Dwarf Jerboa
  Carduelis chloris madaraszi (Tschusi, 1911) – invalid
  Carduelis sinica kawarahiba (Temminck, 1836) – invalid
  Carebara Westwood, 1840 – valid
  Carebara ampla Santschi, 1912 – valid
  Carebara ampla ampla Santschi, 1912 – valid
  Carebara ampla cincta Santschi, 1926 – valid
  Carebara ampla obscurithorax Santschi, 1926 – valid
  Carebara ampla rugosa Santschi, 1928 – valid
  Carebara anophthalma (Emery, 1906) – valid
  Carebara arnoldi (Forel, 1913) – valid
  Carebara bartrumi Weber, 1943 – valid
  Carebara bicarinata Santschi, 1912 – valid
  Carebara castanea Smith, 1858 – valid
  Carebara castanea augustata Santschi, 1920 – valid
  Carebara castanea castanea Smith, 1858 – valid
  Carebara incerta Santschi, 1923 – valid
  Carebara junodi Forel, 1904 – valid
  Carebara langi Wheeler, 1922 – valid
  Carebara lignata Westwood, 1840 – valid
  Carebara mayri (Forel, 1901) – valid
  Carebara osborni Wheeler, 1922 – valid
  Carebara patrizii Menozzi, 1927 – valid
  Carebara sicheli Mayr, 1862 – valid
  Carebara silvestrii Santschi, 1914 – valid
  Carebara sudanica Santschi, 1933 – valid
  Carebara vidua Smith, 1858 – valid
  Carebara vidua fur Santschi, 1928 – valid
  Carebara vidua vidua Smith, 1858 – valid
  Carebara winifredae Wheeler, 1922 – valid
  Careproctus sarasa Tanaka, 1916 – valid
  Carinaria cithara Benson, 1835 – valid – harp carinaria
  Carineta aratayensis Boulard, 1986 – valid
  Carineta carayoni Boulard, 1986 – valid
  Carineta cearana Distant, 1906 – valid
  Carineta cinara Distant, 1883 – valid
  Carparachne Lawrence, 1962 – valid
  Carparachne alba Lawrence, 1962 – valid
  Carparachne aureoflava Lawrence, 1966 – valid
  Carpathonesticus paraavrigensis Weiss & Heimer, 1982 – valid
  Carpoapseudes caraspinosus Dojiri and Sieg, 1997 – valid
  Carpomya paradalina (Bigot, 1891) – valid
  Carpomyia paradalina Bigot, 1891 – invalid
  Caryophyllia paradoxus Alcock, 1898 – valid
  Caseya paradoxa Gardner & Shelley, 1989 – valid
  Cassida amaranthica Medvedev and Eroshkina, 1988 – valid
  Cassida imparata Gressitt and Kimoto, 1963 – valid
  Cassida nuwara Maulik, 1919 – valid
  Cassida smaragdocruciata Medvedev and Eroshkina, 1982 – valid
  Cassida tsaratanana Borowiec, 1988 – valid
  Castrada paradisea Van Steenkiste, Tessens, Krznaric and Artois, 2011 – valid
  Cataglyphis emeryi karavaiewi Santschi, 1925 – valid
  Cataglyphis karakalensis Arnol'di, 1964 – valid
  Cataglyphis saharae Santschi, 1929 – valid
  Cataractocorini Popov, 1970 – valid
  Cataractocoris Usinger, 1941 – valid
  Cataractocoris macrocephalus (Montandon, 1897) – valid
  Cataractocoris marginiventris Usinger, 1941 – valid
  Cataractocoris shepardi Sites, Reynoso and Novelo, 2013 – valid
  Catharacta Brünnich, 1764 – invalid – Skuas
  Catharacta antarctica (Lesson, 1831) – invalid
  Catharacta chilensis (Bonaparte, 1857) – invalid
  Catharacta lonnbergi Mathews, 1912 – invalid
  Catharacta maccormicki (H. Saunders, 1893) – invalid – Págalo sureńo, South Polar Skua, labbe de Mccormick
  Catharacta skua Brunnich, 1764 – invalid – Great Skua, grand labbe
  Catharacta skua antarctica (Lesson, 1831) – invalid
  Catharacta skua chilensis (Bonaparte, 1857) – invalid
  Catharacta skua lonnbergi Mathews, 1912 – invalid
  Catharacta skua skua Brunnich, 1764 – invalid
  Catinathrips beshearae Nakahara, 1992 – valid
  Catinella avara (Say, 1824) – valid – suboval ambersnail
  Catinella parallela Franzen, 1979 – valid
  Catocala cara Guenée, 1852 – valid
  Catocala praeclara Grote and Robinson, 1866 – valid – Praeclara Underwing
  Catocala praeclara charlottae Brou, 1988 – valid
  Catocala praeclara manitoba Beutenmüller, 1908 – valid
  Catocala praeclara praeclara Grote and Robinson, 1866 – valid
  Catopomorphus parasitus (LeConte, 1853) – invalid
  Catops paramericanus Peck and Cook, 2002 – valid
  Catops parasitus LeConte, 1853 – invalid
  Cavernocarabodes Mahunka, 1974 – valid
  Cavernocarabodes perreti Mahunka, 1974 – valid
  Cavernocarabodes trigonosternum (Pérez-Íńigo, 1976) – valid
  Cavisternum carae Baehr, Harvey & Smith, 2010 – valid
  Cebrenis paramerana Brailovsky, 1995 – valid
  Cebus albifrons cesarae Hershkovitz, 1949 – invalid
  Cebus apella maranonis Pusch, 1941 – invalid
  Cebus azarae Rengger, 1830 – invalid
  Cebus cesarae Hershkovitz, 1949 – valid – Río Cesar White-fronted Capuchin
  Cebus libidinosus paraguayanus Fischer, 1829 – invalid
  Cecharismena cara Möschler, 1890 – valid
  Celastrina echo sidara (Clench, 1944) – valid
  Celegastrura aldebaranis Palacios-Vargas, Mendoza & Villalobos, 2000 – valid
  Celina parallela (Babington, 1841) – valid
  Cemocotyle carangis – valid
  Cemonus parallelus (Say, 1837) – invalid
  Centrinogyna laramiensis Casey, 1920 – valid
  Centris erythrosara Moure & Seabra, 1960 – valid
  Centris maranhensis Ducke, 1911 – valid
  Centris melanosara Moure, 2003 – invalid
  Centris xanthosara Moure, 2002 – invalid
  Centroclisis taramassoi (Navás, 1932) – valid
  Centrocnemis sarawakensis Miller, 1956 – valid
  Centroctenus acara Brescovit, 1996 – valid
  Centrolene parambae (Boulenger, 1898) – invalid
  Centrolenella parabambae (Boulenger, 1898) – invalid
  Centromedon calcaratus (G. O. Sars, 1879) – valid
  Centromerus paradoxus (Simon, 1884) – valid
  Centropleurocoris calcaratus Miller, 1955 – valid
  Centropomus parallelus Poey, 1860 – valid – smallscale fat snook, fat snook, robalito, chucumite
  Centropus bengalensis sarasinorum Stresemann, 1912 – valid
  Centrorhynchus nicaraguensis Schmidt and Neiland, 1966 – valid
  Centrorhynchus paramaryasis Amin, 2013 – valid
  Centroscyllium kamoharai Abe, 1966 – valid – bareskin dogfish
  Cephalodella unquitara – valid
  Cephaloflexa araucariana Carbayo and Leal-Zanchet, 2003 – valid
  Cephaloleia marantae Uhmann, 1957 – valid
  Cephaloleia separata Baly, 1885 – valid
  Cephalopholis igarashiensis Katayama, 1957 – valid – garish hind
  Cephalopholis spiloparaea (Valenciennes in Cuvier and Valenciennes, 1828) – valid – strawberry hind
  Cephalotes carabicus De Andrade, 1999 – valid
  Ceraarachne Keyserling, 1880 – valid
  Ceraarachne germaini Simon, 1886 – valid
  Ceraarachne goyannensis Mello-Leităo, 1929 – valid
  Ceraarachne varia Keyserling, 1880 – valid
  Ceraclea parakamonis Yang & Morse, 2000 – valid
  Ceraeochrysa paraguaria (Navás, 1920) – valid
  Cerapachys aranus Bolton, 1995 – valid
  Ceraphron ankaratrae Risbec, 1953 – valid
  Ceraphron tsaratananae Risbec, 1955 – valid
  Ceratina arabiae (Daly, 1983) – valid
  Ceratina barbarae Eardley & Daly, 2007 – valid
  Ceratina calcarata Robertson, 1900 – valid
  Ceratina ignara Cresson, 1878 – valid
  Ceratina paraguayensis Schrottky, 1907 – valid
  Ceratina parignara Cockerell, 1931 – valid
  Ceratina smaragdula (Fabricius, 1787) – valid
  Ceratinopsis disparata (Dondale, 1959) – valid
  Ceratinopsis palomara Chamberlin, 1949 – valid
  Ceratobaeus anmarae Iqbal & Austin, 2000 – valid
  Ceratobaeus gorayaran Iqbal & Austin, 2000 – valid
  Ceratobaeus marattensis (Mani & Mukerjee, 1976) – valid
  Ceratocharax Günther, 1868 – invalid
  Ceratocharax affinis (Günther, 1868) – invalid – orangefinned characin, orangefinned characin
  Ceratopera paradoxa (Pereyaslawzewa, 1892) – valid
  Ceratopera paragracilis Ehlers and Ax, 1974 – valid
  Ceratophrys calcarata Boulenger, 1890 – valid
  Ceratophysella paraliguladorsi Nguyen, 2001 – valid
  Ceratopogon calcaratus Coquillett, 1905 – invalid
  Ceratothoa parallela (Otto, 1828) – valid
  Ceratothoa usacarangis (Avdeev, 1979) – valid
  Cerbalus aravaensis Levy, 2007 – valid
  Cercamia cladara Randall and Smith, 1988 – valid
  Cerceris clarebaltazarae Reyes, 1986 – valid
  Cerceris gandarai Rohwer, 1912 – valid
  Cerceris gnara Cresson, 1873 – invalid
  Cerceris guarani Strand, 1910 – invalid
  Cerceris haramaiae Arnold, 1951 – valid
  Cerceris inara de Beaumont, 1967 – valid
  Cerceris maracandica Radoszkowski, 1877 – valid
  Cerceris novarae de Saussure, 1867 – invalid
  Cerceris novarae formosicola Strand, 1913 – invalid
  Cerceris paraguayana Strand, 1910 – invalid
  Cerceris paratristis Coumar and Dey, 2003 – valid
  Cerceris pharaonum Kohl, 1898 – valid
  Cerceris pictiventris novarae de Saussure, 1867 – valid
  Cerceris rhodesiae haramaiae Arnold, 1951 – invalid
  Cerceris rubida daradi K. Schmidt, 2000 – valid
  Cerceris ruficauda barbara Arnold, 1931 – invalid
  Cercopithecus albogularis zammaranoi de Beaux, 1924 – invalid – Somalia White-collared Monkey
  Cercopithecus mitis zammaranoi de Beaux, 1924 – valid – Zammarano's Monkey, Somalia White-collared Monkey
  Cercyon (Paracycreon) Seidlitz, 1888 – valid
  Cerdocyon thous azarae (Wied-Neuwied, 1824) – valid
  Cerithiopsis ara Dall and Bartsch, 1911 – valid
  Cerithiopsis paramoea Bartsch, 1911 – valid
  Cerithium chara Pilsbry, 1949 – valid
  Cernosvitoviella estaragniensis Dumnicka, 2004 – invalid
  Cernotina uara Flint, 1971 – valid
  Ceroptres arator Hartig, 1841 – invalid
  Cerradomys maracajuensis (Langguth and Bonvicino, 2002) – valid – Maracaju Oryzomys
  Certhiaxis cinnamomeus marabinus Phelps & Phelps, 1946 – valid
  Cerura rarata Walker, 1865 – valid
  Cervus elaphus maral Gray, 1850 – valid
  Cestoplana faraglionensis Lang, 1884 – valid
  Ceylalictus karachensis (Cockerell, 1911) – valid
  Ceylanopsyche kabaragola (Schmid, 1958) – valid
  Ceylanopsyche watukaragoda (Schmid, 1958) – valid
  Chaetacis cucharas Levi, 1985 – valid
  Chaetellipsis paradoxa Bezzi, 1913 – valid
  Chaetodipus arenarius paralios (Huey, 1964) – valid
  Chaetodipus hispidus paradoxus (Merriam, 1889) – valid
  Chaetodon parallelus Gronow in Gray, 1854 – invalid
  Chaetodon trifasciatus arabica Steindachner, 1899 – invalid
  Chaetonotus paradoxus Remane, 1927 – invalid
  Chaetonotus parafurcatus Nesteruk, 1991 – valid
  Chaetonotus paraguayensis Schwank, 1990 – valid
  Chaetophiloscia elongata aramensis Vandel, 1955 – valid
  Chaetophiloscia hadjissarantosi Strouhal, 1938 – valid
  Chaetopteryx clara McLachlan, 1876 – valid
  Chaetorellia caradjai Hering, 1937 – invalid
  Chaetorellia mara Hering, 1937 – invalid
  Chaetosciara – valid
  Chaetosciara joffrei (Pettey, 1918) – valid
  Chalaraspidum Willemoes-Suhm, 1895 – valid
  Chalaraspidum alatum (Willemoes-Suhm, 1876) – valid
  Chalcoscirtus karakurt Marusik, 1991 – valid
  Chalcoscirtus paraansobicus Marusik, 1990 – valid
  Chalcotropis praeclara Simon, 1902 – valid
  Chalepus caracasensis Pic, 1931 – valid
  Chalepus parananus Pic, 1927 – valid
  Chalepus subparallelus Baly, 1885 – valid
  Chamaeleo arabicus Matschie, 1893 – valid – Arabian Chameleon
  Chamaeleo brevicornis tsarafidyi Brygoo and Domergue, 1970 – invalid
  Chambardia pharaonum Bourguignat in Servain, 1890 – invalid
  Channa baramensis (Steindachner, 1901) – valid
  Channa marulius ara (Deraniyagala) – valid – giant snakehead
  Chaparana Bourret, 1939 – invalid
  Chaparana aenea (Smith, 1922) – invalid
  Chaparana annandalii (Boulenger, 1920) – invalid
  Chaparana arnoldi (Dubois, 1975) – invalid
  Chaparana blanfordii (Boulenger, 1882) – invalid
  Chaparana chayuensis (Ye in Sichuan Institute of Biology Herpetology Department, 1977) – invalid
  Chaparana conaensis (Fei and Huang in Huang and Fei, 1981) – invalid
  Chaparana delacouri (Angel, 1928) – invalid
  Chaparana ercepeae (Dubois, 1974) – invalid
  Chaparana fansipani (Bourret, 1939) – invalid
  Chaparana liebigii (Günther, 1860) – invalid
  Chaparana maculosa (Liu, Hu and Yang, 1960) – invalid
  Chaparana medogensis (Fei and Ye in Fei, 1999) – invalid
  Chaparana minica (Dubois, 1975) – invalid
  Chaparana mokokchungensis (Das and Chanda, 2000) – invalid
  Chaparana polunini (Smith, 1951) – invalid
  Chaparana quadranus (Liu, Hu and Yang, 1960) – invalid
  Chaparana rarica (Dubois, Matsui and Ohler, 2001) – invalid
  Chaparana rostandi (Dubois, 1974) – invalid
  Chaparana sikimensis (Jerdon, 1870) – invalid
  Chaparana taihangnica (Chen and Jiang, 2002) – invalid
  Chaparana unculuanus (Liu, Hu and Yang, 1960) – invalid
  Chaparana vicina (Stoliczka, 1872) – invalid
  Characella Sollas, 1886 – valid
  Characidae – valid – American characins, characins, tetras, carácidos, characins, charicidés, tétras
  Characidiidae – invalid
  Characidiinae – invalid
  Characidium Reinhardt, 1867 – valid
  Characidium alipioi Travassos, 1955 – valid
  Characidium bahiensis Almeida, 1971 – valid
  Characidium bimaculatum Fowler, 1941 – valid
  Characidium boavistae Steindachner, 1915 – valid
  Characidium boehlkei Géry, 1972 – valid
  Characidium bolivianum Pearson, 1924 – valid
  Characidium borellii (Boulenger, 1895) – valid
  Characidium brevirostre Pellegrin, 1908 – valid
  Characidium caucanum Eigenmann, 1912 – valid
  Characidium chupa Schultz, 1944 – valid
  Characidium crandellii Steindachner, 1915 – valid
  Characidium declivirostre Steindachner, 1915 – valid
  Characidium etheostoma Cope, 1872 – valid
  Characidium etzeli Zarske and Géry, 2001 – valid
  Characidium fasciatum Reinhardt, 1867 – valid – banded characidium, banded characidium
  Characidium gomesi Travassos, 1956 – valid
  Characidium grajahuensis Travassos, 1944 – valid
  Characidium hasemani Steindachner, 1915 – valid
  Characidium heinianum Zarske and Géry, 2001 – valid
  Characidium interruptum Pellegrin, 1909 – valid
  Characidium japuhybense Travassos, 1949 – valid
  Characidium lagosantensis Travassos, 1947 – valid
  Characidium lanei Travassos, 1967 – valid
  Characidium laterale (Boulenger, 1895) – valid
  Characidium lauroi Travassos, 1949 – valid
  Characidium macrolepidotum (Peters, 1868) – valid
  Characidium marshi Breder, 1925 – valid
  Characidium occidentale Buckup and Reis, 1997 – valid
  Characidium oiticicai Travassos, 1967 – valid
  Characidium orientale Buckup and Reis, 1997 – valid
  Characidium pellucidum Eigenmann, 1909 – valid
  Characidium phoxocephalum Eigenmann, 1912 – valid
  Characidium pteroides Eigenmann, 1909 – valid
  Characidium pterostictum Gomes, 1947 – valid
  Characidium purpuratum Steindachner, 1882 – valid
  Characidium rachovii Regan, 1913 – valid
  Characidium roesseli Géry, 1965 – valid
  Characidium sanctjohanni Dahl, 1960 – valid
  Characidium schindleri Zarske and Géry, 2001 – valid
  Characidium schubarti Travassos, 1955 – valid
  Characidium serrano Buckup and Reis, 1997 – valid
  Characidium steindachneri Cope, 1878 – valid
  Characidium stigmosum Melo and Buckup, 2002 – valid
  Characidium tenue (Cope, 1894) – valid
  Characidium timbuiense Travassos, 1946 – valid
  Characidium vestigipinne Buckup and Hahn, 2000 – valid
  Characidium vidali Travassos, 1967 – valid
  Characidium zebra Eigenmann, 1909 – valid
  Characiformes – valid – piranhas, leporins, piranhas
  Characinae – invalid
  Characodon Günther, 1866 – valid
  Characodon audax Smith and Miller, 1986 – valid – bold characodon, mexcalpique del Toboso
  Characodon garmani Jordan and Evermann, 1898 – valid – mexcalpique de Parras, Parras characodon
  Characodon lateralis Günther, 1866 – valid – rainbow characodon, mexcalpique arcoiris
  Characoidei – invalid
  Charadra Walker, 1865 – valid
  Charadra deridens (Guenée, 1852) – valid
  Charadra dispulsa Morrison, 1875 – valid
  Charadra franclemonti Anweiler and Schmidt, 2010 – valid
  Charadra ingenua Smith, 1906 – invalid
  Charadra moneta Schmidt and Anweiler, 2010 – valid
  Charadra tapa Schmidt and Anweiler, 2010 – valid
  Charadrahyla Faivovich, Haddad, Garcia, Frost, Campbell and Wheeler, 2005 – valid
  Charadrahyla altipotens (Duellman, 1968) – valid
  Charadrahyla chaneque (Duellman, 1961) – valid
  Charadrahyla nephila (Mendelson and Campbell, 1999) – valid
  Charadrahyla taeniopus (Günther, 1901) – valid
  Charadrahyla trux (Adler and Dennis, 1972) – valid
  Charadrii – invalid
  Charadriidae Leach, 1820 – valid – Plovers
  Charadriiformes – valid – Shore Birds, Gulls, Alcids, Plovers, Oystercatchers, goélands, alcidés, Auks, huîtriers
  Charadrius Linnaeus, 1758 – valid – Ringed Plovers
  Charadrius alexandrinus Linnaeus, 1758 – valid – Snowy Plover, Chorlo nevado, Kentish Plover
  Charadrius alexandrinus alexandrinus Linnaeus, 1758 – valid
  Charadrius alexandrinus dealbatus (Swinhoe, 1870) – valid
  Charadrius alexandrinus nivosus (Cassin, 1858) – invalid – western snowy plover
  Charadrius alexandrinus seebohmi Hartert & A. C. Jackson, 1915 – valid
  Charadrius alexandrinus tenuirostris Lawrence, 1862 – invalid – southeastern snowy plover
  Charadrius alticola (Berlepsch & Stolzmann, 1902) – valid – Puna Plover
  Charadrius asiaticus Pallas, 1773 – valid – Caspian Plover
  Charadrius bicinctus Jardine & Selby, 1827 – valid – Double-banded Plover
  Charadrius bicinctus bicinctus Jardine & Selby, 1827 – valid
  Charadrius bicinctus exilis Falla, 1978 – valid
  Charadrius cantianus Latham, 1801 – invalid
  Charadrius cinctus (Gould, 1838) – invalid
  Charadrius collaris Vieillot, 1818 – valid – Chorlo de collar, Collared Plover, Pluvier d'Azara
  Charadrius cucullatus Vieillot, 1818 – invalid
  Charadrius dubius Scopoli, 1786 – valid – Little Ringed Plover, Pluvier petit-gravelot
  Charadrius dubius curonicus Gmelin, 1789 – valid
  Charadrius dubius dubius Scopoli, 1786 – valid
  Charadrius dubius jerdoni (Legge, 1880) – valid
  Charadrius elegans Reichenow, 1904 – invalid
  Charadrius falklandicus Latham, 1790 – valid – Two-banded Plover
  Charadrius forbesi (Shelley, 1883) – valid – Forbes's Plover
  Charadrius hiaticula Linnaeus, 1758 – valid – Common Ringed Plover, Pluvier grand-gravelot
  Charadrius hiaticula hiaticula Linnaeus, 1758 – valid
  Charadrius hiaticula psammodromus Salomonsen, 1930 – valid
  Charadrius hiaticula tundrae (Lowe, 1915) – valid
  Charadrius javanicus Chasen, 1938 – valid – Javan Plover
  Charadrius leschenaultii Lesson, 1826 – valid – Greater Sand Plover, Greater Sand-Plover, Pluvier de Leschenault
  Charadrius leschenaultii columbinus Wagler, 1829 – valid
  Charadrius leschenaultii crassirostris (Severtzov, 1873) – valid
  Charadrius leschenaultii leschenaultii Lesson, 1826 – valid
  Charadrius marginatus Vieillot, 1818 – valid – White-fronted Plover
  Charadrius marginatus arenaceus Clancey, 1971 – valid
  Charadrius marginatus marginatus Vieillot, 1818 – valid
  Charadrius marginatus mechowi (Cabanis, 1884) – valid
  Charadrius marginatus tenellus Hartlaub, 1861 – valid
  Charadrius melanops Vieillot, 1818 – invalid
  Charadrius melodus Ord, 1824 – valid – Chorlo chiflador, Piping Plover, Pluvier siffleur
  Charadrius melodus circumcinctus (Ridgway, 1874) – valid
  Charadrius melodus melodus Ord, 1824 – valid
  Charadrius modestus Lichtenstein, 1823 – valid – Rufous-chested Plover
  Charadrius mongolus Pallas, 1776 – valid – Mongolian Plover, Lesser Sand-Plover, Lesser Sand Plover, Pluvier de Mongolie
  Charadrius mongolus atrifrons Wagler, 1829 – valid
  Charadrius mongolus mongolus Pallas, 1776 – valid
  Charadrius mongolus pamirensis (Richmond, 1896) – valid
  Charadrius mongolus schaeferi Meyer de Schauensee, 1937 – valid
  Charadrius mongolus stegmanni Portenko, 1939 – valid
  Charadrius montanus J. K. Townsend, 1837 – valid – Mountain Plover, Chorlo llanero, Pluvier montagnard
  Charadrius morinellus Linnaeus, 1758 – valid – Eurasian Dotterel, Pluvier guignard
  Charadrius nivosus (Cassin, 1858) – valid – Snowy Plover, Pluvier neigeux
  Charadrius nivosus nivosus (Cassin, 1858) – valid – western snowy plover
  Charadrius nivosus occidentalis (Cabanis, 1872) – valid
  Charadrius novaeseelandiae Gmelin, 1789 – invalid
  Charadrius obscurus Gmelin, 1789 – valid – New Zealand Plover
  Charadrius pallidus Strickland, 1853 – valid – Chestnut-banded Plover
  Charadrius pallidus pallidus Strickland, 1853 – valid
  Charadrius pallidus venustus Fischer & Reichenow, 1884 – valid
  Charadrius pecuarius Temminck, 1823 – valid – Kittlitz's Plover
  Charadrius peronii Schlegel, 1865 – valid – Malaysian Plover
  Charadrius placidus J. E. Gray & G. R. Gray, 1863 – valid – Long-billed Plover
  Charadrius rubricollis Gmelin, 1789 – invalid
  Charadrius ruficapillus Temminck, 1821 – valid – Red-capped Plover
  Charadrius sanctaehelenae (Harting, 1873) – valid – St. Helena Plover
  Charadrius semipalmatus Bonaparte, 1825 – valid – Chorlo semipalmeado, Semipalmated Plover, pluvier ŕ semipalmé, Pluvier semipalmé
  Charadrius thoracicus (Richmond, 1896) – valid – Madagascar Plover
  Charadrius tricollaris Vieillot, 1818 – valid – Three-banded Plover
  Charadrius tricollaris bifrontatus Cabanis, 1882 – valid
  Charadrius tricollaris tricollaris Vieillot, 1818 – valid
  Charadrius veredus Gould, 1848 – valid – Oriental Plover
  Charadrius vociferus Linnaeus, 1758 – valid – Chorlo tildío, Killdeer, Pluvier kildir
  Charadrius vociferus peruvianus (Chapman, 1920) – valid
  Charadrius vociferus ternominatus Bangs & Kennard, 1920 – valid
  Charadrius vociferus vociferus Linnaeus, 1758 – valid
  Charadrius wilsonia Ord, 1814 – valid – Chorlo pico grueso, Wilson's Plover, Pluvier de Wilson
  Charadrius wilsonia beldingi (Ridgway, 1919) – valid
  Charadrius wilsonia brasiliensis Grantsau & P. C. Lima, 2008 – valid
  Charadrius wilsonia cinnamominus (Ridgway, 1919) – valid
  Charadrius wilsonia wilsonia Ord, 1814 – valid
  Charadrodromia – valid
  Charadrodromia arnaudi Melander, 1960 – valid
  Charadrodromia microphona Melander, 1927 – valid
  Charadrodromia syletor Melander, 1927 – valid
  Charadropsyche Flint, 1970 – valid
  Charadropsyche penicillata Flint, 1970 – valid
  Charaphloeus Casey, 1916 – valid
  Charaphloeus adustus (LeConte, 1854) – valid
  Charaphloeus bituberculatus (Reitter, 1876) – valid
  Charaphloeus convexulus (LeConte, 1879) – valid
  Charaphloeus dimidiatus (Schäffer, 1910) – valid
  Charaphloeus filiger Casey, 1916 – invalid
  Charaphloeus flavosignatus (Schäffer, 1910) – valid
  Charaphloeus fraterculus Casey, 1916 – invalid
  Charaphloeus sphaerops Casey, 1916 – invalid
  Charasoma Reinhard, 1952 – invalid
  Charasoma pammelas Reinhard, 1952 – invalid
  Charasoma residis Reinhard, 1952 – invalid
  Charasoma subolis Reinhard, 1952 – invalid
  Charassobates Grandjean, 1929 – valid
  Charassobates baudi Mahunka, 1984 – valid
  Charassobates cavernosus Grandjean, 1929 – valid
  Charassobates incipatus Balogh & Mahunka, 1974 – valid
  Charassobates minimus Balogh & Mahunka, 1981 – valid
  Charassobates ornatus Balogh & Mahunka, 1969 – valid
  Charassobates simplex Balogh & Mahunka, 1969 – valid
  Charassobates tuberosus Balogh & Mahunka, 1981 – valid
  Charassobatidae Grandjean, 1958 – valid
  Charassobatoidea Grandjean, 1958 – valid
  Charassocarcinus Van Straelen, 1925 – valid
  Charassocarcinus mayalis (Eudes-deslongchamps, 1878) – valid
  Charax Scopoli, 1777 – valid
  Charax apurensis Lucena, 1987 – valid
  Charax caudimaculatus Lucena, 1987 – valid
  Charax cervinus Lowe, 1838 – invalid
  Charax condei (Géry and Knöppel, 1976) – valid
  Charax gibbosus (Linnaeus, 1758) – valid
  Charax hemigrammus (Eigenmann, 1912) – valid
  Charax leticiae Lucena, 1987 – valid
  Charax macrolepis (Kner, 1858) – valid
  Charax metae Eigenmann, 1922 – valid
  Charax michaeli Lucena, 1989 – valid
  Charax niger Lucena, 1989 – valid
  Charax notulatus Lucena, 1987 – valid
  Charax pauciradiatus (Günther, 1864) – valid
  Charax rupununi Eigenmann, 1912 – valid
  Charax stenopterus (Cope, 1894) – valid
  Charax tectifer (Cope, 1870) – valid
  Charax unimaculatus Lucena, 1989 – valid
  Charaxinae Guenée, 1865 – valid – Leafwings
  Charinus acaraje Pinto-da-Rocha, Machado and Weygoldt, 2002 – valid
  Chartoscirta cincta paracincta Cobben, 1987 – valid
  Chatrabus damaranus (Barnard, 1927) – valid – West Coast toadfish
  Chavinia paradoxa Hammer, 1961 – valid
  Cheilodipterus arabicus (Gmelin, 1789) – valid – dogtooth cardinalfish
  Cheilodipterus parazonatus Gon, 1993 – valid
  Cheimerius matsubarai Akazaki, 1962 – valid
  Cheiracanthium brevicalcaratum L. Koch, 1873 – valid
  Cheiracanthium dippenaarae Lotz, 2007 – valid
  Cheiracanthium maraisi Lotz, 2007 – valid
  Cheiracanthium saraswatii Tikader, 1962 – valid
  Cheiramiona paradisus Lotz, 2003 – valid
  Cheirodon parahybae Eigenmann, 1915 – valid
  Cheliplana paradoxa Noldt, 1989 – valid
  Chersodromia parallela (Melander, 1927) – valid
  Cheumatopsyche unicalcarata Mey, 1992 – valid
  Chibchea araona Huber, 2000 – valid
  Chilara Jordan and Evermann, 1896 – valid
  Chilara taylori (Girard, 1858) – valid – spotted cusk-eel, congriperla moteada
  Childia vivipara Tekle, Raikova and Jondelius, 2006 – valid
  Chilicola araucana Toro & Moldenke, 1979 – valid
  Chilicola paramo Gonzalez & Michener, 2004 – valid
  Chilicola valparaiso Toro & Moldenke, 1979 – valid
  Chiloglanis paratus Crass, 1960 – valid
  Chiloscyllium arabicum Gubanov in Gubanov and Shleib, 1980 – valid – Arabian carpetshark, Arabian carpet shark, bamboa arábiga, requin-chabot camot
  Chilota parafricanus Pickford, 1937 – valid
  Chimarra akarawitta Schmid, 1958 – valid
  Chimarra atara Malicky & Chantaramongkol, 1993 – valid
  Chimarra cara Mosely, 1936 – valid
  Chimarra clara Mosely, 1939 – valid
  Chimarra macara Flint, 1998 – valid
  Chimarra paracreagra Blahnik, 1998 – valid
  Chimarra parana Flint, 1972 – valid
  Chimarra paraortiziana Blahnik & Holzenthal, 1992 – valid
  Chimarra parasocia Lago & Harris, 1987 – valid
  Chimarra uara Flint, 1971 – valid
  Chimarra wiharawela Schmid, 1958 – valid
  Chiomara Godman and Salvin, 1899 – valid
  Chiomara asychis (Stoll in Cramer, 1780) – valid – White-patched Skipper
  Chiomara asychis asychis (Stoll in Cramer, 1780) – valid
  Chiomara asychis georgina (Reakirt, 1868) – invalid
  Chiomara dilucida (Möschler, 1876) – invalid
  Chiomara georgina (Reakirt, 1868) – valid
  Chiomara georgina georgina (Reakirt, 1868) – valid
  Chiomara georgina pelagica (Weeks, 1891) – valid
  Chiomara mithrax (Möschler, 1879) – valid – Slaty Skipper
  Chironomus parafulvus Beck and Beck, 1964 – invalid
  Chirostoma charari (de Buen, 1945) – valid – charal tarasco, least silverside
  Chirundinella cara Tanaka, 1957 – invalid
  Chitinotylenchus paragracilis – valid
  Chlamydopsis parallelus Caterino, 2003 – valid
  Chlerogas araguaensis Brooks & Engel, 1999 – valid
  Chlerogas tiara Brooks & Engel, 1999 – valid
  Chloriona arakawai Matsumura, 1935 – valid
  Chloriona smaragdula (Stĺl, 1853) – valid
  Chloris chloris madaraszi Tschusi, 1911 – valid
  Chloris sinica kawarahiba (Temminck, 1836) – valid
  Chlorochrysa calliparaea (Tschudi, 1844) – valid – Orange-eared Tanager
  Chlorochrysa calliparaea bourcieri (Bonaparte, 1851) – valid
  Chlorochrysa calliparaea calliparaea (Tschudi, 1844) – valid
  Chlorochrysa calliparaea fulgentissima Chapman, 1901 – valid
  Choerojulis arangoi Poey, 1876 – invalid
  Cholornis paradoxa J. Verreaux, 1870 – valid – Three-toed Parrotbill
  Cholornis paradoxa paradoxa J. Verreaux, 1870 – valid
  Cholornis paradoxa taipaiensis (Lo Cheng & Chao, 1973) – valid
  Chordodes baramensis Römer, 1895 – valid
  Chordodes parasitus Creplin, 1847 – valid
  Chordodes tenodarae Kirjanova, 1957 – valid
  Choreutocoris sarawakensis Miller, 1957 – valid
  Chorinemus tolooparah (Rüppell, 1829) – invalid – fivebarred leatherskin, fivebarred leatherskin
  Chorisops separata Yang & Nagatomi, 1992 – valid
  Chorizogynopora paradoxa Reisinger, 1924 – valid
  Chromadora paramucrodonta Allgen, 1929 – invalid
  Chromadorella parabolica Wieser, 1954 – valid
  Chromadorella parapoecilosoma (Micoletzky, 1922) – valid
  Chromadorina paradoxa Timm, 1961 – valid
  Chrysiptera parasema (Fowler, 1918) – valid
  Chrysobothris calcarata Chamberlin, 1938 – invalid
  Chrysobothris calcarata Melsheimer, 1845 – invalid
  Chrysobothris characteristica Harris, 1829 – invalid
  Chrysobothris paragrindeliae Knull, 1943 – valid
  Chrysobothris parapiuta Knull, 1938 – valid
  Chrysobothris smaragdula Fall, 1907 – valid
  Chrysometa aramba Levi, 1986 – valid
  Chrysometa cambara Levi, 1986 – valid
  Chrysometa saramacca Levi, 1986 – valid
  Chrysopa oscillans zarauzi Navás, 1933 – invalid
  Chrysopa paraguaria Navás, 1920 – invalid
  Chrysopelea paradisi H. Boie in F. Boie, 1827 – valid – Paradise Tree Snake, Paradise Flying Snake
  Chrysopelea paradisi celebensis Mertens, 1968 – valid
  Chrysopelea paradisi paradisi H. Boie in F. Boie, 1827 – valid
  Chrysopelea paradisi variabilis Mertens, 1968 – valid
  Chrysops separatus Hine, 1907 – valid
  Chrysotrichia aranuwa Schmid, 1958 – valid
  Chrysotrichia arapela Wells, 1990 – valid
  Chrysotrichia maratya Wells & Malicky, 1997 – valid
  Chrysotrichia menara Wells & Huisman, 1993 – valid
  Chrysso caraca Levi, 1962 – valid
  Chthonius karamani Hadzi, 1933 – valid
  Chthonius karamanianus Hadzi, 1937 – valid
  Chuneola paradoxa Woltereck, 1909 – valid
  Chuneola parasitica – valid
  Cichlasoma araguaiense Kullander, 1983 – valid
  Cichlasoma paranaense Kullander, 1983 – valid
  Cicindela obsoleta santaclarae Bates, 1890 – valid – Santa Clara Grassland Tiger Beetle
  Cicindela politula barbaraannae Sumlin, 1976 – valid – Barbaraann's Tiger Beetle
  Cicindela politula barbarannae Sumlin, 1976 – invalid – Barbara Anne's Tiger Beetle, Barbara Ann's tiger beetle
  Cicindela tranquebarica parallelonota Casey, 1914 – valid – Opal Tiger Beetle, Oblique-lined Tiger Beetle
  Cimex calcaratus Linnaeus, 1758 – invalid
  Cimex smaragdulus Fabricius, 1775 – invalid
  Cinara Curtis, 1835 – valid
  Cinara atlantica (Wilson, 1919) – valid
  Cinara cupressi (Buckton, 1881) – valid – cypress aphid
  Cinara fresai Blanchard, 1939 – valid
  Cinara tujafilina (Del Guercio, 1909) – valid
  Cinclodes fuscus paramo Meyer de Schauensee, 1945 – valid
  Cinnyricinclus leucogaster arabicus Grant & Mackworth-Praed, 1942 – valid
  Circeaster arandae Mah, 2006 – valid
  Cirolana arafurae Bruce, 1986A – valid
  Cirolana paraerodiae Muller & Salvat, 1993 – valid
  Cirrhitiara Hartlaub, 1913 – valid
  Cirrhitiara superba (Mayer, 1900) – valid
  Cisticola subruficapilla karasensis (Roberts, 1937) – valid
  Cithara varia – invalid
  Citharacanthus Pocock, 1901 – valid
  Citharacanthus alayoni Rudloff, 1995 – valid
  Citharacanthus cyaneus (Rudloff, 1994) – valid
  Citharacanthus livingstoni Schmidt & Weinmann, 1996 – valid
  Citharacanthus longipes (F. O. P.-Cambridge, 1897) – valid
  Citharacanthus meermani Reichling & West, 2000 – valid
  Citharacanthus niger Franganillo, 1931 – valid
  Citharacanthus sargi (Strand, 1907) – valid
  Citharacanthus spinicrus (Latreille, 1819) – valid
  Citharichthys (Aramaca) Jordan & Goss in Jordan, 1885 – invalid
  Cladara Hulst, 1896 – valid
  Cladara anguilineata (Grote and Robinson, 1867) – valid – Angle-lined Carpet Moth
  Cladara atroliturata (Walker, 1863) – valid – Scribbler
  Cladara limitaria (Walker, 1860) – valid – Mottled Gray Carpet
  Cladocarpus paradiseus Allman, 1877 – valid
  Cladolabes arafurus O'Loughlin, 2014 – valid
  Cladolabes kirara Yamana, Iwaoka & Hyakutake, 2014 – valid
  Claravis Oberholser, 1899 – valid
  Claravis godefrida (Temminck, 1811) – valid – Purple-winged Ground Dove
  Claravis mondetoura (Bonaparte, 1856) – valid – Tórtola pecho morado, Maroon-chested Ground Dove, Maroon-chested Ground-Dove
  Claravis mondetoura inca van Rossem, 1934 – valid
  Claravis mondetoura mondetoura (Bonaparte, 1856) – valid
  Claravis mondetoura ochoterena van Rossem, 1934 – valid
  Claravis mondetoura pulchra Griscom, 1930 – valid
  Claravis mondetoura salvini Griscom, 1930 – valid
  Claravis mondetoura umbrina Griscom, 1930 – valid
  Claravis pretiosa (Ferrari-Perez, 1886) – valid – Tórtola azul, Blue Ground Dove, Blue Ground-Dove
  Clathroneuria arapahoe Banks, 1938 – valid
  Clausicella melitarae (Reinhard, 1946) – valid
  Clausocalanus parapergens Frost and Fleminger, 1968 – valid
  Cleithracara Kullander and Nijssen, 1989 – valid
  Cleithracara maronii (Steindachner, 1881) – valid – keyhole cichlid
  Cleocnemis paraguensis (Gertsch, 1933) – valid
  Cleocnemis taquarae (Keyserling, 1891) – valid
  Clepticus genizara Cuvier, 1829 – invalid
  Cleptria sara Villiers, 1948 – valid
  Clinidium calcaratum LeConte, 1875 – valid
  Clinobiantes paradoxus Roewer, 1927 – valid
  Clinodiplosis araneosa Felt, 1912 – valid
  Clitemnestra paraguayana R. Bohart, 2000 – valid
  Clivina (Leucocara) Bousquet, 2009 – valid
  Clivina (Paraclivina) Kult, 1947 – invalid
  Clostera paraphora (Dyar, 1921) – valid
  Clubiona anwarae Biswas & Raychaudhuri, 1996 – valid
  Clubiona iharai Ono, 1995 – valid
  Clubiona maracandica Kroneberg, 1875 – valid
  Clubiona mazandaranica Mikhailov, 2003 – valid
  Clubiona paralena Mikhailov, 1995 – valid
  Clubiona parallela Hu & Li, 1987 – valid
  Clubiona parallelos Yin et al., 1996 – valid
  Clubiona paranghinlalakirta Barrion & Litsinger, 1995 – valid
  Clubiona parangunikarta Barrion & Litsinger, 1995 – valid
  Clubiona sparassella Strand, 1909 – valid
  Clubiona subparallela Zhang, Zhu & Song, 2007 – valid
  Clupea arabica Ehrenberg in Cuvier and Valenciennes, 1847 – invalid
  Clupeacharax Pearson, 1924 – valid
  Clupeacharax anchoveoides Pearson, 1924 – valid
  Clupeocharax Pellegrin, 1926 – valid
  Clupeocharax schoutedeni Pellegrin, 1926 – valid
  Clusiosoma (Paraclusiosoma) Hardy, 1986 – valid
  Clypeodytes (Paraclypeus) Vazirani, 1971 – valid
  Cnemaspis kumarasinghei Wickramasinghe and Munindradasa, 2007 – valid
  Cnemaspis narathiwatensis Grismer, Sumontha, Cota, Grismer, Wood, Pauwels and Kunya, 2010 – valid – Narathiwat rock gecko
  Cnidotiara Uchida, 1927 – valid
  Cnidotiara gotoi Uchida, 1927 – valid
  Cnodacophara – valid
  Cobitis arachthosensis Economidis and Nalbant, 1996 – valid
  Cobitis matsubarai Okada and Ikeda, 1939 – valid
  Cochlicella barbara (Linnaeus, 1758) – valid – potbellied helicellid
  Cochliolepis parasitica Stimpson, 1858 – valid – parasitic scalesnail
  Cochranella bejaranoi (Cannatella, 1980) – invalid
  Cochranella parabambae (Boulenger, 1898) – invalid
  Cochranella tangarana Duellman and Schulte, 1993 – valid
  Coelioxys guaranitica Schrottky, 1909 – valid
  Coelioxys paradoxa Friese, 1922 – valid
  Coelioxys paraguaya Moure, 1943 – valid
  Coelioxys paraguayensis Schrottky, 1909 – valid
  Coelioxys pucaraensis Holmberg, 1916 – valid
  Coelioxys tilcarae Holmberg, 1916 – valid
  Coelocraera mariaeclarae Dégallier, 1983 – valid
  Coelogynopora paracnida Karling, 1967 – invalid
  Coelorhynchus aratrum Gilbert, 1905 – invalid
  Coelotes eharai Arita, 1976 – valid
  Coelotes iharai Okumura, 2007 – valid
  Coelotes nagaraensis Nishikawa, 2009 – valid
  Coelotes tokaraensis Shimojana, 2000 – valid
  Coenocara LeConte, 1865 – invalid
  Cognettia clarae Bauer, 1993 – valid
  Coilia ramcarati (Hamilton, 1822) – valid – Ramcarat grenadier anchovy
  Colaranea Court & Forster, 1988 – valid
  Colaranea brunnea Court & Forster, 1988 – valid
  Colaranea melanoviridis Court & Forster, 1988 – valid
  Colaranea verutum (Urquhart, 1887) – valid
  Colaranea viriditas (Urquhart, 1887) – valid
  Colaspidea smaragdula (J. L. LeConte, 1857) – valid
  Coleodesmium karaensis Osborn, Gebruk, Rogacheva and Holland, 2013 – valid
  Colletes ankarae Warncke, 1978 – valid
  Colletes arabicus Kuhlmann, 2002 – valid
  Colletes araucariae Friese, 1910 – valid
  Colletes chamaesarachae Cockerell, 1897 – valid
  Colletes parafodiens Friese, 1925 – valid
  Colletes paratibeticus Kuhlmann, 2002 – valid
  Collisella paradigitalis (Fritchman, 1960) – valid
  Colluricincla megarhyncha madaraszi (Rothschild & Hartert, 1903) – valid
  Colon paradoxum Horn, 1880 – invalid
  Colon pararectum Peck and Stephan, 1996 – valid
  Coloptera barbara Lepeletier de Saint Fargeau, 1845 – invalid
  Colostethus yaguara Rivero and Serna, 1991 – valid
  Colpophyllia amaranthus (O. F. Müller, 1775) – valid
  Coluber dhara Forskal, 1775 – invalid
  Coluber jara Shaw, 1802 – invalid
  Columba araucana Lesson, 1827 – invalid
  Columbiana carasi Fennah, 1964 – valid
  Columbisoga saracura Fennah, 1964 – valid
  Colymbetes exaratus LeConte, 1862 – valid
  Comachara Franclemont, 1939 – valid
  Comachara cadburyi Franclemont, 1939 – valid – Cadbury's Lichen Moth
  Compsaraia Albert, 2001 – valid
  Compsaraia compsa (Mago-Leccia, 1994) – valid
  Compsomelissa ankaratrensis (Brooks & Pauly, 2001) – valid
  Conchapelopia paramelanops Roback, 1971 – valid
  Condica charada (Schaus, 1906) – valid
  Condyloderes paradoxus Higgins, 1969 – valid
  Condylostylus calcaratus (Loew, 1861) – valid
  Congocharax Matthes, 1964 – valid
  Congocharax gossei Poll and Lambert, 1964 – valid
  Congocharax olbrechtsi (Poll, 1954) – valid
  Congocharax spilotaenia (Boulenger, 1912) – valid
  Conifaber guarani Grismado, 2004 – valid
  Coniophanes sarae Ponce-Campos and H. M. Smith, 2001 – valid
  Coniophyrta garambana Villiers, 1964 – valid
  Coniopteryx paraensis Meinander, 1990 – valid
  Coniopteryx paranana Meinander, 1990 – valid
  Conocara Goode and Bean, 1896 – valid
  Conocara bertelseni Sazonov, 2002 – valid
  Conocara fiolenti Sazonov and Ivanov, 1979 – valid
  Conocara kreffti Sazonov, 1997 – valid
  Conocara macropterum (Vaillant, 1888) – valid – long-fin smooth-head
  Conocara microlepis (Lloyd, 1909) – valid
  Conocara murrayi (Koefoed, 1927) – valid
  Conocara nigrum (Günther, 1878) – valid
  Conocara salmoneum (Gill and Townsend, 1897) – valid – deepsea slickhead
  Conocara werneri Nybelin, 1947 – valid
  Conopophaga cearae Cory, 1916 – valid
  Conotrachelus aratus (Germar, 1824) – valid
  Contulma cataracta Holzenthal & Flint, 1995 – valid
  Conus harasewychi Petuch, 1987 – valid
  Convoluta paradoxa Řrsted, 1843 – invalid
  Copelatus carayoni Legros, 1949 – valid
  Copelatus exaratus Sharp, 1882 – valid
  Copelatus garambanus Guignot, 1955 – valid
  Copelatus hararensis Guignot, 1952 – valid
  Copelatus laraensis Bilardo and Rocchi, 1995 – valid
  Copelatus parabaptus Guignot, 1955 – valid
  Copelatus parallelipipedus Régimbart, 1895 – valid
  Copelatus parallelus Zimmermann, 1920 – valid
  Cophias jararaca Wied-Neuwied, 1824 – invalid
  Cophotis dumbara Samarawickrama, Ranawana, Rajapaksha, Ananjeva, Orlov, Ranasinghe and Samarawickrama, 2006 – valid – Dumbara Agama
  Cophyla berara Vences, Andreone and Glaw, 2005 – valid
  Copidoplana paradoxa Bock, 1913 – valid
  Copium teucrii arabicum Péricart, 1979 – valid
  Copora nicaraguensis (Günther, 1864) – invalid
  Coptocycla paranensis Spaeth, 1936 – valid
  Coptotrophis parallelus (Lewis, 1888) – valid
  Corallotaenia parafimbriata (Befus & Freeman, 1973) – valid
  Coranopsis paradoxa (Lethierry, 1883) – valid
  Coranopsis paradoxus (Lethierry, 1883) – invalid
  Coras parallelis Muma, 1944 – valid
  Cordioniscus paragamiani Schmalfuss & Erhard, 1998 – valid
  Coregonus lavaretus maraenoides Berg, 1916 – valid – lake chud whitefish
  Coregonus maraena (Bloch, 1779) – valid
  Corella parallelogramma – valid
  Coriarachne Thorell, 1870 – valid
  Coriarachne brunneipes Banks, 1893 – valid
  Coriarachne depressa (C. L. Koch, 1837) – valid
  Coriarachne fulvipes (Karsch, 1879) – valid
  Coriarachne melancholica Simon, 1880 – valid
  Coriarachne nigrostriata Simon, 1886 – valid
  Corimelaena (Parapora) McAtee and Malloch, 1933 – valid
  Coriophagus zanzibarae (Bohart, 1962) – valid
  Coronimyia melitarae Reinhard, 1946 – invalid
  Corvus imparatus J. L. Peters, 1929 – valid – Mexican Crow, Cuervo tamaulipeco, Tamaulipas Crow
  Corycera separata (Drake and Hambleton, 1935) – valid
  Corydendrium parasiticum (Linnaeus, 1767) – valid
  Corydoras araguaiaensis Sands, 1990 – valid
  Corydoras haraldschultzi Knaack, 1962 – valid
  Corydoras paragua Knaack, 2004 – valid
  Corydoras parallelus Burgess, 1993 – valid
  Corydoras saramaccensis Nijssen, 1970 – valid
  Corydoras sarareensis Dinkelmeyer, 1995 – valid
  Corynoneura diara Roback, 1957 – valid
  Coryphaenoides carapinus Goode and Bean, 1883 – valid – carapine grenadier, granadero
  Coryphaenoides paradoxus Smith and Radcliffe in Radcliffe, 1912 – invalid
  Coryphaenoides paramarshalli Merrett, 1983 – valid
  Coryphaspiza melanotis marajoara Sick, 1967 – valid
  Coryphella cynara – valid
  Coryssocnemis clara Gertsch, 1971 – valid
  Corythalia clara Chamberlin & Ivie, 1936 – valid
  Corythopis torquatus sarayacuensis Chubb, 1918 – valid
  Corythucha clara Drake and Hambleton, 1938 – valid
  Cosberella lamaralexanderi Bernard, 2006 – valid
  Coscinaraea Milne-Edwards and Haime, 1848 – valid
  Coscinaraea columna (Dana, 1846) – valid
  Coscinaraea crassa Veron and Pichon, 1980 – valid
  Coscinaraea exaesa (Dana, 1846) – valid
  Coscinaraea fossata (Dana, 1846) – valid
  Coscinaraea hazimanensis Yabe and Sugiyama, 1936 – valid
  Coscinaraea marshae Wells, 1962 – valid
  Coscinaraea mcneilli Wells, 1962 – valid
  Coscinaraea monile (Forskĺl, 1775) – valid
  Coscinaraea wellsi Veron and Pichon, 1980 – valid
  Cosipara Munroe, 1972 – valid
  Cosipara chirricahunae Munroe, 1972 – valid
  Cosipara modulalis Munroe, 1972 – valid
  Cosipara tricoloralis (Dyar, 1904) – valid
  Cosmophasis masarangi Merian, 1911 – valid
  Cosmophasis parangpilota Barrion & Litsinger, 1995 – valid
  Cossutia arakhne Linnavuori, 1976 – valid
  Costatrichia carara Holzenthal & Harris, 1999 – valid
  Costoanachis avara (Say, 1822) – valid – greedy dovesnail
  Cotalpa conclamara Young, 2002 – valid
  Coturnix delegorguei arabica Bannerman, 1929 – valid
  Crabro arabs Kohl, 1894 – invalid
  Crabro carabili Nesterov, 1994 – valid
  Crabro sugiharai Iwata, 1938 – invalid
  Cranioleuca baroni zaratensis Koepcke, 1961 – valid
  Craspedodonta smaragdina Anton, 1838 – invalid
  Crataraea Thomson, 1858 – valid
  Crataraea suturalis (Mannerheim, 1831) – valid
  Cratera cuarassu Carbayo and Almeida, 2015 – valid
  Cratera yara (E. M. Froehlich, 1955) – valid
  Cratogeomys merriami saccharalis Nelson and Goldman, 1934 – invalid
  Craugastor charadra (Campbell and Savage, 2000) – valid
  Craugastor tabasarae (Savage, Hollingsworth, Lips and Jaslow, 2004) – valid
  Craugastor tarahumaraensis (Taylor, 1940) – valid
  Creagrutus maracaiboensis (Schultz, 1944) – valid
  Creagrutus paraguayensis Mahnert and Géry, 1988 – valid
  Creagrutus paralacus Harold and Vari, 1994 – valid
  Crematogaster aegyptiaca pharaonis Santschi, 1914 – valid
  Crematogaster arata Emery, 1906 – valid
  Crematogaster bequaerti semiclara Santschi, 1928 – valid
  Crematogaster borneensis macarangae Viehmeyer, 1916 – valid
  Crematogaster brasiliensis arawak Weber, 1938 – valid
  Crematogaster castanea hararica Forel, 1894 – valid
  Crematogaster hezaradjatica Pisarski, 1967 – valid
  Crematogaster karawaiewi Menozzi, 1935 – valid
  Crematogaster limata parabiotica Forel, 1904 – valid
  Crematogaster modiglianii sarawakana Forel, 1911 – valid
  Crematogaster paradoxa Emery, 1894 – valid
  Crematogaster parallela Santschi, 1925 – valid
  Crenicara Steindachner, 1875 – valid – pike cichlids, pike cichlids
  Crenicara dorsocellata Haseman, 1911 – invalid
  Crenicara filamentosa Ladiges, 1958 – invalid – chessboard cichlid, chessboard cichlid
  Crenicara latruncularium Kullander and Staeck, 1990 – valid
  Crenicara lepidota (Heckel, 1840) – invalid – pike cichlid
  Crenicara maculata (Steindachner, 1875) – invalid – chessboard cichlid, chessboard cichlid
  Crenicara punctulatum (Günther, 1863) – valid
  Crenicara strigata (Günther, 1862) – invalid
  Crenicichla igara Lucena and Kullander, 1992 – valid
  Crenitis paradigma (Orchymont, 1942) – valid
  Crenopharynx paralepturus (Stekhoven, 1950) – valid
  Crenophilus paracymoides Orchymont, 1942 – invalid
  Creoleon parallelus (Banks, 1911) – valid
  Creoleon parallelus (Klapálek, 1911) – invalid
  Cricetopareis paraguaya D. J. Carpintero, 1980 – valid
  Cricetulus barabensis (Pallas, 1773) – valid – Striped Hamster, Striped Dwarf Hamster
  Cricetulus barabensis ferrugineus Argyropulo, 1941 – invalid
  Cricotopus aratus Roback, 1957 – invalid
  Cricotopus parafuscatus Sublette and Sublette, 1971 – valid
  Crioceris asparagi (Linnaeus, 1758) – valid
  Crocidura arabica Hutterer and Harrison, 1988 – valid – Arabian Shrew
  Crocidura nigripes lipara Miller and Hollister, 1921 – valid
  Crocidura olivieri cara Dollmann, 1915 – valid
  Crocidura paradoxura Dobson, 1886 – valid – Sumatran Long-tailed Shrew, Paradox Shrew
  Crocidura usambarae Dippenaar, 1980 – valid – Usambara Shrew
  Crosbyarachne Charitonov, 1937 – valid
  Crosbyarachne bukovskyi Charitonov, 1937 – valid
  Crossidius parallelus Casey, 1924 – invalid
  Crossocerus sugiharai (Iwata, 1938) – invalid
  Crossodactylus caramaschii Bastos and Pombal, 1995 – valid
  Crotalus durissus marajoensis Hoge, 1966 – valid
  Cryphula parallelogramma Stĺl, 1874 – valid
  Cryptachaea maraca (Buckup & Marques, 1991) – valid
  Cryptachaea parana (Levi, 1963) – valid
  Cryptapseudes sankarankuttyi Bacescu, 1976 – valid
  Cryptaranea Court & Forster, 1988 – valid
  Cryptaranea albolineata (Urquhart, 1893) – valid
  Cryptaranea atrihastula (Urquhart, 1891) – valid
  Cryptaranea invisibilis (Urquhart, 1892) – valid
  Cryptaranea stewartensis Court & Forster, 1988 – valid
  Cryptaranea subalpina Court & Forster, 1988 – valid
  Cryptaranea subcompta (Urquhart, 1887) – valid
  Cryptaranea venustula (Urquhart, 1891) – valid
  Cryptocentroides arabicus (Gmelin, 1789) – valid
  Cryptochironomus parafulvus (Beck and Beck, 1964) – valid
  Cryptocope parabrevimana – invalid
  Cryptocope sankarankuttyi (Bacescu, 1977) – invalid
  Cryptodrilus sarasinorum Michaelsen, 1897 – valid
  Cryptolabis paradoxa Osten Sacken, 1859 – valid
  Cryptolestes parallelus (Smith, 1851) – invalid
  Cryptoparachtes Dunin, 1992 – valid
  Cryptoparachtes adzharicus Dunin, 1992 – valid
  Cryptoparachtes charitonowi (Mcheidze, 1972) – valid
  Cryptoparachtes fedotovi (Charitonov, 1956) – valid
  Cryptopsaras Gill, 1883 – valid
  Cryptopsaras couesi Gill, 1883 – invalid – warted seadevil, pęcheur ŕ trčfle
  Cryptopsaras couesii Gill, 1883 – valid – diablo marino, triplewart seadevil, anzuelo diablo, warted seadevil, pęcheur ŕ trčfle
  Cryptopygus araucanus Massoud & Rapoport, 1968 – valid
  Cryptopygus parallelus (Wahlgren, 1901) – valid
  Cryptopygus parasiticus (Salmon, 1943) – valid
  Cryptopygus separatus (Denis, 1931) – valid
  Ctenacarus araneola (Grandjean, 1932) – valid
  Ctenobelba csiszarae Mahunka, 1977 – valid
  Ctenobelba parafoliata Pérez-Íńigo jr., 1991 – valid
  Ctenocassida cynarae (Boheman, 1855) – valid
  Ctenocolletes smaragdinus (Smith, 1868) – valid
  Ctenogobius smaragdus (Valenciennes in Cuvier and Valenciennes, 1837) – valid – emerald goby, esmeralda cabezona
  Ctenomys azarae Thomas, 1903 – valid – Azara's Tuco-tuco
  Ctenus calcaratus F. O. P.-Cambridge, 1900 – valid
  Ctenus jaragua Alayón, 2004 – valid
  Ctenus manauara Höfer, Brescovit & Gasnier, 1994 – valid
  Ctenus naranjo Alayón, 2004 – valid
  Ctenus narashinhai Patel & Reddy, 1988 – valid
  Ctenus paranus Strand, 1909 – valid
  Ctenus sarawakensis F. O. P.-Cambridge, 1897 – valid
  Cubaris sarasini (Verhoeff, 1926) – valid
  Cubaris tarangensa (Budde-Lund, 1904) – valid
  Cubiceps paradoxus Butler, 1979 – valid – longfin cigarfish, derivante colón
  Cucullanellus carangis – valid
  Cucullia alfarata Strecker, 1898 – valid
  Cucumaria paraglacialis Heding, 1942 – valid
  Cucumaria parassimilis Deichmann, 1930 – valid
  Cueta clara Hölzel, 1981 – valid
  Culex declarator Dyar and Knab, 1906 – valid
  Culicoides miharai (Kinoshita) – valid
  Culicoides paraensis (Goeldi, 1905) – valid
  Culicoides parapiliferus Wirth and Blanton, 1974 – valid
  Culoptila tarascanica Flint, 1974 – valid
  Cuora chriskarannarum Ernst and McCord, 1987 – invalid
  Curculio calcaratus Fabricius, 1792 – invalid
  Curgiona narayani (Michaelsen, 1926) – valid
  Curicta paraguayensis De Carlo, 1951 – invalid
  Cuspidaria parapodema Bernard, 1969 – valid – California dipperclam
  Cuticonema vivipara – valid
  Cyanocharax Malabarba and Weitzman, 2003 – valid
  Cyanocharax alegretesis Malabarba and Weitzman, 2003 – valid
  Cyanocharax dicropotamicus Malabarba and Weitzman, 2003 – valid
  Cyanocharax itaimbe Malabarba and Weitzman, 2003 – valid
  Cyanocharax lepiclastus Malabarba, Weitzman and Casciotta in Malabarba and Weitzman, 2003 – valid
  Cyanocharax macropinna Malabarba and Weitzman, 2003 – valid
  Cyanocharax tipiaia Malabarba and Weitzman, 2003 – valid
  Cyanogomphus comparabilis Belle, 1994 – valid
  Cyanogomphus demerarae Selys, 1894 – valid
  Cyanoliseus patagonus conlara Nores & Yzurieta, 1983 – valid
  Cyathura parapotamica Botosaneanu & Stock, 1982 – invalid
  Cybaeodes molara (Roewer, 1960) – valid
  Cybaeota calcarata (Emerton, 1911) – valid
  Cybaeus aratrum Kim & Kim, 2008 – valid
  Cybaeus paralypropriapus Bennett, 2009 – valid
  Cybaeus taraensis Irie & Ono, 2001 – valid
  Cybister smaragdinus Régimbart, 1895 – valid
  Cyclarhis gujanensis nicaraguae W. Miller & Griscom, 1925 – valid
  Cyclocephala aravaipensis Ratcliffe, 1992 – valid
  Cyclocephala parallela (Casey, 1915) – valid
  Cyclopsitta diophthalma inseparabilis (Hartert, 1898) – valid
  Cyclosa parangmulmeinensis Barrion & Litsinger, 1995 – valid
  Cyclosa parangtarugoa Barrion & Litsinger, 1995 – valid
  Cyclosa shinoharai Tanikawa & Ono, 1993 – valid
  Cyclothone parapallida Badcock, 1982 – valid
  Cyclotrachelus parafaber (Freitag, 1969) – valid
  Cyclotrachelus parasodalis (Freitag, 1969) – valid
  Cylindrolaimus baradlanus Andrassy, 1959 – valid
  Cylindromyrmex parallelus Santschi, 1932 – valid
  Cylindrostoma paralutheri Karling, 1993 – valid
  Cylindrotheristus paraelaboratus Wieser – valid
  Cylistella scarabaeoides (O. P.-Cambridge, 1894) – valid
  Cylistix parallela (Say, 1825) – invalid
  Cylloepus araneolus (Müller, 1806) – valid
  Cylloepus parallelus Delčve, 1968 – valid
  Cymatodera sobara Barr, 1960 – valid
  Cymodocella guarapariensis Loyola e Silva, 1965 – valid
  Cymothoa caraibica Bovallius, 1885A – valid
  Cymothoa carangii Avdeev, 1979 – valid
  Cymothoa paradoxa Haller, 1880 – valid
  Cynictis penicillata karasensis Roberts, 1938 – valid
  Cynoglossus sinusarabici (Chabanaud, 1931) – valid
  Cynomops paranus (Thomas, 1901) – valid – Brown Dog-faced Bat
  Cynopterus nusatenggara Kitchener and Maharadatunkamsi, 1991 – valid – Nusatenggara short-nosed fruit bat, Nusatenggara Short-nosed Fruit Bat
  Cynopterus nusatenggara nusatenggara Kitchener and Maharadatunkamsi, 1991 – valid
  Cynopterus nusatenggara sinagai Kitchener, 1996 – valid
  Cynopterus nusatenggara wetarensis Kitchener, 1996 – valid
  Cyperispa thoracostachyi kolombangara Gressitt in Gressitt and Samuelson, 1990 – valid
  Cyphagogus sarasini Senna, 1899 – valid
  Cyphocharax Fowler, 1906 – valid
  Cyphocharax abramoides (Kner, 1858) – valid
  Cyphocharax festivus Vari, 1992 – valid
  Cyphocharax gangamon Vari, 1992 – valid
  Cyphocharax gilbert (Quoy and Gaimard, 1824) – valid
  Cyphocharax gillii (Eigenmann and Kennedy, 1903) – valid
  Cyphocharax gouldingi Vari, 1992 – valid
  Cyphocharax helleri (Steindachner, 1910) – valid
  Cyphocharax laticlavius Vari and Blackledge, 1996 – valid
  Cyphocharax leucostictus (Eigenmann and Eigenmann, 1889) – valid
  Cyphocharax magdalenae (Steindachner, 1878) – valid – sardina blanca
  Cyphocharax meniscaprorus Vari, 1992 – valid
  Cyphocharax mestomyllon Vari, 1992 – valid
  Cyphocharax microcephalus (Eigenmann and Eigenmann, 1889) – valid
  Cyphocharax modestus (Fernández-Yépez, 1948) – valid
  Cyphocharax multilineatus (Myers, 1927) – valid
  Cyphocharax nagelii (Steindachner, 1881) – valid
  Cyphocharax nigripinnis Vari, 1992 – valid
  Cyphocharax notatus (Steindachner, 1908) – valid
  Cyphocharax oenas Vari, 1992 – valid
  Cyphocharax pantostictos Vari and Barriga S., 1990 – valid
  Cyphocharax platanus (Günther, 1880) – valid
  Cyphocharax plumbeus (Eigenmann and Eigenmann, 1889) – valid
  Cyphocharax punctatus (Vari and Nijssen, 1986) – valid
  Cyphocharax saladensis (Meinken, 1933) – valid
  Cyphocharax santacatarinae (Fernández-Yépez, 1948) – valid
  Cyphocharax signatus Vari, 1992 – valid
  Cyphocharax spilotus (Vari, 1987) – valid
  Cyphocharax spiluropsis (Eigenmann and Eigenmann, 1889) – valid
  Cyphocharax spilurus (Günther, 1864) – valid
  Cyphocharax stilbolepis Vari, 1992 – valid
  Cyphocharax vanderi (Britski, 1980) – valid
  Cyphocharax vexillapinnus Vari, 1992 – valid
  Cyphocharax voga (Hensel, 1870) – valid
  Cyphorhinus arada (Hermann, 1783) – valid
  Cyphorhinus arada arada (Hermann, 1783) – valid
  Cyphorhinus arada faroensis (Zimmer & W. H. Phelps, 1946) – valid
  Cyphorhinus arada griseolateralis Ridgway, 1888 – valid
  Cyphorhinus arada interpositus (Todd, 1932) – valid
  Cyphorhinus arada modulator (Orbigny, 1838) – valid
  Cyphorhinus arada salvini Sharpe, 1882 – valid
  Cyphorhinus arada transfluvialis (Todd, 1932) – valid
  Cyphorhinus arada urbanoi (Zimmer & W. H. Phelps, 1946) – valid
  Cyphorhinus aradus (Hermann, 1783) – invalid
  Cypraea arabicula Lamarck, 1811 – valid
  Cypridopsis smaragdina Vávra, 1891 – invalid
  Cyprinella xanthicara (Minckley and Lytle, 1969) – valid – Cuatro Cienegas shiner, carpita de Cuatro Ciénegas
  Cyprinus carassius Linnaeus, 1758 – invalid
  Cyrtarachne Thorell, 1868 – valid
  Cyrtarachne avimerdaria Tikader, 1963 – valid
  Cyrtarachne bengalensis Tikader, 1961 – valid
  Cyrtarachne bicolor Thorell, 1898 – valid
  Cyrtarachne bigibbosa Simon, 1907 – valid
  Cyrtarachne bilunulata Thorell, 1899 – valid
  Cyrtarachne biswamoyi Tikader, 1961 – valid
  Cyrtarachne bufo (Bösenberg & Strand, 1906) – valid
  Cyrtarachne cingulata Thorell, 1895 – valid
  Cyrtarachne conica O. P.-Cambridge, 1901 – valid
  Cyrtarachne dimidiata Thorell, 1895 – valid
  Cyrtarachne fangchengensis Yin & Zhao, 1994 – valid
  Cyrtarachne finniganae Lessert, 1936 – valid
  Cyrtarachne flavopicta Thorell, 1899 – valid
  Cyrtarachne friederici Strand, 1911 – valid
  Cyrtarachne gibbifera Simon, 1899 – valid
  Cyrtarachne gilva Yin & Zhao, 1994 – valid
  Cyrtarachne gravelyi Tikader, 1961 – valid
  Cyrtarachne grubei (Keyserling, 1864) – valid
  Cyrtarachne guttigera Simon, 1909 – valid
  Cyrtarachne heminaria Simon, 1909 – valid
  Cyrtarachne histrionica Thorell, 1898 – valid
  Cyrtarachne hubeiensis Yin & Zhao, 1994 – valid
  Cyrtarachne ignava Thorell, 1895 – valid
  Cyrtarachne inaequalis Thorell, 1895 – valid
  Cyrtarachne invenusta Thorell, 1891 – valid
  Cyrtarachne ixoides (Simon, 1870) – valid
  Cyrtarachne lactea Pocock, 1898 – valid
  Cyrtarachne laevis Thorell, 1877 – valid
  Cyrtarachne latifrons Hogg, 1900 – valid
  Cyrtarachne latifrons atuberculata Hogg, 1900 – valid
  Cyrtarachne latifrons latifrons Hogg, 1900 – valid
  Cyrtarachne lepida Thorell, 1890 – valid
  Cyrtarachne madagascariensis Emerit, 2000 – valid
  Cyrtarachne melanoleuca Ono, 1995 – valid
  Cyrtarachne melanosticta Thorell, 1895 – valid
  Cyrtarachne menghaiensis Yin, Peng & Wang, 1994 – valid
  Cyrtarachne nagasakiensis Strand, 1918 – valid
  Cyrtarachne nodosa Thorell, 1899 – valid
  Cyrtarachne pallida O. P.-Cambridge, 1885 – valid
  Cyrtarachne perspicillata (Doleschall, 1859) – valid
  Cyrtarachne perspicillata perspicillata (Doleschall, 1859) – valid
  Cyrtarachne perspicillata possoica Merian, 1911 – valid
  Cyrtarachne promilai Tikader, 1963 – valid
  Cyrtarachne raniceps Pocock, 1900 – valid
  Cyrtarachne rubicunda L. Koch, 1871 – valid
  Cyrtarachne schmidi Tikader, 1963 – valid
  Cyrtarachne simplex (Karsch, 1878) – valid
  Cyrtarachne sinicola Strand, 1942 – valid
  Cyrtarachne sundari Tikader, 1963 – valid
  Cyrtarachne szetschuanensis Schenkel, 1963 – valid
  Cyrtarachne termitophila Lawrence, 1952 – valid
  Cyrtarachne tricolor (Doleschall, 1859) – valid
  Cyrtarachne tricolor aruana Strand, 1911 – valid
  Cyrtarachne tricolor tricolor (Doleschall, 1859) – valid
  Cyrtarachne tuladepilachna Barrion & Litsinger, 1995 – valid
  Cyrtarachne xanthopyga Kulczynski, 1911 – valid
  Cyrtarachne yunoharuensis Strand, 1918 – valid
  Cyrtocara Boulenger, 1902 – valid
  Cyrtocara chrysonota (Boulenger, 1908) – invalid
  Cyrtocara compressiceps (Boulenger, 1908) – invalid – Malawi eye-biter
  Cyrtocara epichorialis (Trewavas, 1935) – invalid
  Cyrtocara euchila (Trewavas, 1935) – invalid – big-lipped cichlid
  Cyrtocara formosa (Trewavas, 1935) – invalid
  Cyrtocara labrosa (Trewavas, 1935) – invalid
  Cyrtocara linni (Burgess and Axelrod, 1975) – invalid – elephant-nose cichlid, elephant-nose cichlid
  Cyrtocara livingstonii (Günther, 1894) – invalid
  Cyrtocara moorii Boulenger, 1902 – valid
  Cyrtocara polystigma (Regan, 1922) – invalid
  Cyrtocara rostrata (Boulenger, 1899) – invalid
  Cyrtocara venusta (Boulenger, 1908) – invalid
  Cyrtocaraxenos Pierce, 1918 – invalid
  Cyrtocaraxenos javanensis Pierce, 1918 – invalid
  Cyrtodactylus aravallensis Gill, 1997 – valid
  Cyrtodactylus jarakensis Grismer, Chan, Grismer, Wood and Belabut, 2008 – valid
  Cyrtodactylus paradoxus (Darevsky and Szczerbak, 1997) – valid
  Cyrtognatha paradoxa Dimitrov & Hormiga, 2009 – valid
  Cyrtonota smaragdina (Boheman, 1856) – valid
  Cyrtophora parangexanthematica Barrion & Litsinger, 1995 – valid
  Cyrtopogon varans Curran, 1923 – valid
  Cyrtopus smaragdiferus (Lindner, 1938) – valid
  Cysteochila arabica Péricart, 1979 – valid
  Cysteochila garambana Duarte Rodrigues, 1982 – valid
  Cystiplana paradoxa Karling, 1964 – valid
  Cythara varia – invalid
  Cythere arata Brady, 1880 – invalid
  Cytherella parapunctata – valid
  Cytherois paralignincola Maddocks and Steineck, 1987 – valid
  Cytheromorpha paracastanea (Swain, 1955) – valid
  Cytheropteron paralatissimum Swain, 1963 – valid
  Cytheropteron pararcticum Whatley and Masson, 1979 – valid
  Dacnis cayana paraguayensis C. Chubb, 1910 – valid
  Dactylispa bindusara Maulik, 1919 – invalid
  Dactylispa garambae Uhmann, 1961 – valid
  Dactylispa macnamarana Gressitt, 1957 – valid
  Dactylispa sarawakensis Uhmann, 1943 – valid
  Dactylochelifer arabicus Mahnert, 1991 – valid
  Dactylocythere charadra Hobbs III, 1971 – valid
  Dactylopodia paratispoidis Lang, 1965 – valid
  Dactylopus vararensis T. Scott, 1903 – invalid
  Dactylopusia paratisboides (Lang, 1965) – valid
  Dacus parallelus Wiedemann, 1830 – invalid
  Dacus paratappanus Tseng, Chen & Chu, 1992 – invalid
  Dacus parater Chao & Lin, 1993 – invalid
  Dacyrtocara Pierce, 1918 – invalid
  Dacyrtocara oncometopiae Pierce, 1918 – invalid
  Dacyrtocara undata Pierce, 1918 – invalid
  Daedalochila avara (Say, 1818) – valid – Florida liptooth
  Dahlgrenius arabicus (Reichardt, 1932) – valid
  Dalara Ritsema, 1884 – valid
  Dalara mandibularis (F. Williams, 1919) – valid
  Dalara schlegelii (Ritsema, 1884) – valid
  Damaeus (Paradamaeus) Bulanova-Zachvatkina, 1957 – valid
  Damaeus paraspinosus (Bulanova-Zachvatkina, 1974) – valid
  Dampfiella paratina (Mahunka, 1983) – valid
  Danepteryx barbarae Kirkaldy, 1908 – valid
  Danielssenia paraperezi Soyer, 1970 – valid
  Daradacella Fennah, 1949 – valid
  Daradacella calydon Fennah, 1970 – valid
  Daradacella pustulata Fennah, 1949 – valid
  Daradax Walker, 1857 – valid
  Daradax acris Walker, 1857 – valid
  Daradax fusipennis Walker, 1857 – valid
  Daradax grandis Muir, 1931 – valid
  Daradax nasutus Melichar, 1914 – valid
  Daradax nebulosus Haupt, 1926 – valid
  Daradax robustus Baker, 1927 – valid
  Daradaxoides Distant, 1917 – valid
  Daradaxoides mahensis Distant, 1917 – valid
  Darala Ritsema, 1884 – invalid
  Darala schlegelii Ritsema, 1884 – invalid
  Daramattus Smith, 1960 – invalid
  Daramattus americanus (Nichols and Firth, 1939) – invalid – thorny tinselfish
  Daramattus armatus Smith, 1960 – invalid
  Daramulunia Lehtinen, 1967 – valid
  Daramulunia gibbosa (L. Koch, 1872) – valid
  Daramulunia tenella (L. Koch, 1872) – valid
  Darapsa Walker, 1856 – valid
  Darapsa choerilus (Cramer, 1779) – valid – Azalea Sphinx
  Darapsa myron (Cramer, 1779) – valid – Hog Sphinx
  Darapsa versicolor (Harris, 1839) – valid – Hydrangea Sphinx
  Daraxa Stĺl, 1859 – valid
  Daraxa (Daraxa) Stĺl, 1859 – valid
  Daraxa (Daraxacera) D. J. Carpintero, 1980 – valid
  Daraxa ambrosettii Berg, 1900 – valid
  Daraxa annulipes D. J. Carpintero, 1980 – valid
  Daraxa australis D. J. Carpintero, 1980 – valid
  Daraxa breddini D. J. Carpintero, 1980 – valid
  Daraxa carioca D. J. Carpintero, 1980 – valid
  Daraxa carnifex Breddin, 1903 – valid
  Daraxa crena Maldonado, 1996 – valid
  Daraxa doesburgi Bérenger and Gil-Santana, 2005 – valid
  Daraxa ecuatoriana D. J. Carpintero, 1980 – valid
  Daraxa flavomarginata D. J. Carpintero, 1980 – valid
  Daraxa nigripes Stĺl, 1859 – valid
  Daraxa nigroflava D. J. Carpintero, 1980 – valid
  Daraxa portenia D. J. Carpintero, 1980 – valid
  Daraxa rufiventris D. J. Carpintero, 1980 – valid
  Daraxa tibialis (Walker, 1873) – valid
  Daraxa toba D. J. Carpintero, 1980 – valid
  Daraxa zelichi D. J. Carpintero, 1980 – valid
  Dascyllus isharae Schmidt, 1931 – invalid
  Dasyatis matsubarai Miyosi, 1939 – valid
  Dasypeltis arabica Broadley and Bates in Bates and Broadley, 2018 – valid – Arabian Egg-eater
  Dasypeltis parascabra Trape, Mediannikov and Trape, 2012 – valid
  Dasyprocta azarae Lichtenstein, 1823 – valid – Azara's Agouti
  Dasyprocta azarae catrinae Thomas, 1917 – invalid
  Dasyprocta guamara Ojasti, 1972 – valid – Orinoco Agouti
  Dasyprocta leporina maraxica Thomas, 1923 – valid
  Dasyproctus araboides Leclercq, 1958 – valid
  Dasyproctus arabs (Kohl, 1894) – valid
  Dasythemis mincki clara Ris, 1908 – valid
  Decarabia Konyaev & Gulyaev, 2005 – valid
  Deinopis goalparaensis Tikader & Malhotra, 1978 – valid
  Deliriosa karadagensis Kovblyuk, 2009 – valid
  Delphacodes paransera Beamer, 1948 – invalid
  Delphacodes paraparvula Beamer, 1948 – invalid
  Delturus parahybae Eigenmann and Eigenmann, 1889 – valid
  Dendrelaphis sinharajensis Wickramasinghe, 2016 – valid – Sinharaja Tree Snake
  Dendrexetastes rufigula paraensis Lorenz, 1895 – valid
  Dendrobaena orientalis karak Csuzdi & Pavlicek, 2005 – valid
  Dendrobaena parabyblica Perel, 1972 – valid
  Dendrocerus araucanus Dessart, 1999 – valid
  Dendrocerus paradoxus Dessart & Gaerdenfors, 1985 – valid
  Dendrocoris parapini Nelson, 1957 – valid
  Dendroctonus parallelocollis Chapuis, 1869 – valid
  Dendroica petechia paraguanae Phelps & Gilliard, 1941 – invalid
  Dendrophis smaragdina Schlegel, 1837 – invalid
  Dendropsophus araguaya (Napoli and Caramaschi, 1998) – valid
  Dendropsophus garagoensis (Kaplan, 1991) – valid
  Dendropsophus haraldschultzi (Bokermann, 1962) – valid
  Dendropsophus sarayacuensis (Shreve, 1935) – valid
  Dendropsophus yaracuyanus (Mijares-Urrutia and Rivero, 2000) – valid
  Dendrotion paradoxum Hansen, 1916 – valid
  Dendryphantes hararensis Wesolowska & Cumming, 2008 – valid
  Derephysia (Paraderephysia) Péricart, 1978 – valid
  Dermatodidymocystis vivipara – valid
  Dero caraibicus Michaelsen, 1933 – valid
  Desmodora paramicrochaeta Allgen, 1947 – invalid
  Desmodora pararotundicapitata Allgen, 1959 – valid
  Desmometopa parafacialis Sabrosky, 1983 – valid
  Desmopachria paradoxa Zimmermann, 1923 – valid
  Desmopachria psarammo K. B. Miller, 1999 – valid
  Desmoscolex parafalklandiae Allgen, 1955 – valid
  Diacara Budde-Lund, 1908 – valid
  Diacara alluaudi (Dollfus, 1895) – valid
  Diacara elegans (Dollfus, 1895) – valid
  Diacara guttata (Dollfus, 1895) – valid
  Diacara