Abia Leach, 1817 (extant flag source)
Abies P. Miller, 1754 (extant flag source)
Ablepharus Fitzinger, 1823 (extant flag source)
Acanthotrophon Hertlein & Strong, 1951 (extant flag source)
Aclophora Laseron, 1958 (extant flag source)
Acrhelia Milne-Edwards & Haime, 1849 accepted as Galaxea Oken, 1815 (extant flag source)
Adipicola Dautzenberg, 1927 (extant flag source)
Admetula Cossmann, 1889 (extant flag source)
Aeschna Illiger, 1802 accepted as Aeshna Fabricius, 1775 (extant flag source)
Africotriton Beu & Maxwell, 1987 (extant flag source)
Aglaurides Ehlers, 1866 accepted as accepted as Oenone Lamarck, 1818 (extant flag source)
Akibumia Kuroda & Habe, 1959 (extant flag source)
Alathyria Iredale, 1934 (extant flag source)
Alcyna A. Adams, 1860 (extant flag source)
Allecula Fabricius, 1801 (extant flag source)
Alligator Cuvier, 1817 (extant flag source)
Alopex Kaup, 1829 (extant flag source)
Amnicola Gould & Haldeman in Haldeman, 1840 (extant flag source)
Amphirhopalum Haeckel, 1881 (extant flag source)
Amphisbaena Linnaeus, 1758 (extant flag source)
Amyda Geoffroy, 1809 (extant flag source)
Anatrophon Iredale, 1929 (extant flag source)
Angiola Dall, 1926 (extant flag source)
Anisodactylus Dejean, 1829 (extant flag source)
Anomala Samouelle, 1819 (extant flag source)
Antechinomys Krefft, 1867 (extant flag source)
Antemetula Rehder, 1943 accepted as Metula H. Adams & A. Adams, 1853 (extant flag source)
Antisabia Wenz, 1940 (extant flag source)
Apalone Rafinesque, 1832 (extant flag source)
Aphaenogaster Mayr, 1853 (extant flag source)
Apicalia A. Adams, 1862 (extant flag source)
Apixystus Iredale, 1929 accepted as Gemixystus Iredale, 1929 (extant flag source)
Apteribis Olson & Wetmore, 1976 (extant flag source)
Arabella Grube, 1850 (extant flag source)
Arctomys Schreber, 1782 accepted as Marmota Blumenbach, 1779 (extant flag source)
Arvella Bartsch in Scarlato, 1960 (extant flag source)
Asilus Linnaeus, 1758 (extant flag source)
Aspergillum Lamarck, 1818 accepted as Brechites Guettard, 1770 (extant flag source)
Aspideretes Hay, 1904 (extant flag source)
Asterolamia Warén, 1980 (extant flag source)
Austrocarina Laseron, 1954 (extant flag source)
Austroturris Laseron, 1954 (extant flag source)
Babelomurex Coen, 1922 (extant flag source)
Barbus Cuvier & Cloquet, 1816 (extant flag source)
Barrimysia Iredale, 1929 (extant flag source)
Batagur Gray, 1855 (extant flag source)
Bathymodiolus Kenk & B. R. Wilson, 1985 (extant flag source)
Bembidion Latreille, 1802 (extant flag source)
Benthofascis Iredale, 1936 (extant flag source)
Benthovoluta Kuroda & Habe in Kuroda, 1950 accepted as Exilia Conrad, 1860 (extant flag source)
Benthoxystus Iredale, 1929 (extant flag source)
Bibio Geoffroy, 1762 (extant flag source)
Bitis Gray, 1842 (extant flag source)
Blastomussa Wells, 1968 (extant flag source)
Booneostrea Harry, 1985 (extant flag source)
Botelloides Strand, 1928 (extant flag source)
Bouchetriphora B. A. Marshall, 1983 (extant flag source)
Bracon Fabricius, 1805 (extant flag source)
Brechites Guettard, 1770 (extant flag source)
Bufonaria Schumacher, 1817 (extant flag source)
Bullaria Rafinesque, 1815 accepted as Bulla Linnaeus, 1758 (extant flag source)
Buridrillia Olsson, 1942 (extant flag source)
Busycotypus Wenz in Schindewolf, 1943 (extant flag source)
Caducifer Dall, 1904 (extant flag source)
Calinaticina J. Q. Burch & Campbell, 1963 (extant flag source)
Calliodentalium Habe, 1964 (extant flag source)
Callipara Gray, 1847 (extant flag source)
Callomphala A. Adams & Angas, 1864 (extant flag source)
Calpurnus Montfort, 1810 (extant flag source)
Calyptocephalella Strand, 1928 (extant flag source)
Camponotus Mayr, 1861 (extant flag source)
Canachites Stejneger, 1885 accepted as Dendragapus Elliott, 1864 (extant flag source)
Canalispira Jousseaume, 1875 (extant flag source)
Carabus Linnaeus, 1758 (extant flag source)
Carbula Stål, 1864 (extant flag source)
Carettochelys Ramsay, 1886 (extant flag source)
Carposphaera Haeckel, 1881 (extant flag source)
Catalaphyllia Wells, 1971 (extant flag source)
Centrocubus Haeckel, 1887 (extant flag source)
Ceratospyris Ehrenberg, 1847 (extant flag source)
Cercomys Cuvier in St. Hilaire & Cuvier, 1829 accepted as Thrichomys Trouessart, 1881 (extant flag source)
Chalcides Laurenti, 1768 (extant flag source)
Charisma Hedley, 1915 (extant flag source)
Chelodina Fitzinger, 1826 (extant flag source)
Chelus Duméril, 1805 (extant flag source)
Chersina Gray, 1831 (extant flag source)
Chinemys Smith, 1931 (extant flag source)
Chitra Gray, 1844 (extant flag source)
Chlaenius Bonelli, 1810 (extant flag source)
Chlamydosaurus Gray, 1825 (extant flag source)
Cimbex Olivier, 1790 (extant flag source)
Cinara Curtis, 1835 (extant flag source)
Circumstella Laseron, 1958 (extant flag source)
Cladococcus Müller, 1856 (extant flag source)
Clamydosaurus Gray, 1825 accepted as Chlamydosaurus Gray, 1825 (extant flag source)
Clathropsis Laseron, 1956 (extant flag source)
Clemmys Ritgen, 1828 (extant flag source)
Clinotanypus Kieffer, 1913 (extant flag source)
Clionella Gray, 1847 (extant flag source)
Clithon Montfort, 1810 (extant flag source)