Aleodon Crompton, 1955 † (verified source for family)
Anthracophausia Peach, 1908 † (verified source for family)
Apoparmarion Collinge, 1902 (verified source for family)
Aulostoma Wiegmann, 1835 (verified source for family)
Bienotherium Young, 1940 † (verified source for family)
Calamodon Cope, 1874 † (verified source for family)
Chondrotus Cope, 1887 (verified source for family)
Collingea Simroth, 1898 (verified source for family)
Corena Adams, 1870 (verified source for family)
Cribrella L. Agassiz, 1835 accepted as Linckia Nardo, 1834 (verified source for family)
Cryptaxis Lowe, 1855 (verified source for family)
Cryptosemelus Collinge, 1902 (verified source for family)
Cynodontomys Cope, 1882 † accepted as Microsyops Leidy, 1872 † (verified source for family)
Damayantia Issel, 1874 (verified source for family)
Diademodon Seeley, 1895 † (verified source for family)
Dolchinia Korotneff, 1891 accepted as Dolioletta sensu Garstang, 1933 (verified source for family)
Drepanodon Nesti, 1826 (verified source for family)
Echinocerus White, 1848 accepted as Lopholithodes Brandt, 1848 (verified source for family)
Euprotogonia Cope, 1893 † (verified source for family)
Gomphognathus Seeley, 1895 † (verified source for family)
Haploceros Lydekker in Flower & Lydekker, 1891 accepted as Oreamnos Rafinesque, 1817 (verified source for family)
Homalacanthus Russell, 1951 † (verified source for family)
Hyaenarctos Owen, 1845 † accepted as Agriotherium Wagner, 1837 † (verified source for family)
Icochilus Ameghino, 1889 † (verified source for family)
Lepthyaena Lydekker, 1884 † (verified source for family)
Lycosuchus Broom, 1903 † (verified source for family)
Moominia Gerlach, 2003 (verified source for family)
Myotesta Collinge, 1901 (verified source for family)
Nesokaliella Gerlach, 1998 (verified source for family)
Nesokerodon Schlosser, 1884 † (verified source for family)
Nitosaurus Romer, 1937 † (verified source for family)
Nythosaurus Owen, 1876 † (verified source for family)
Orina Adams, 1870 (verified source for family)
Paraparmarion Collinge, 1902 (verified source for family)
Persephone Agassiz, 1843 accepted as Persephona Leach, 1817 (verified source for family)
Protacmon Watson, 1920 † (verified source for family)
Protogonodon Scott, 1892 † (verified source for family)
Saimiris Geoffroy, 1843 (verified source for family)
Soleniopsis Ritchie, 1907 accepted as Corydendrium van Beneden, 1844 (verified source for family)
Solmoneta Haeckel, 1879 (verified source for family)
Spissustreptus Demange, 1961 (verified source for family)
Testacella Cuvier, 1805 accepted as Testacella Lamarck, 1801 (verified source for family)
Titanotherium Leidy in Owen, 1852 † accepted as Megacerops Leidy, 1870 † (verified source for family)
Triisodon Cope, 1881 † (verified source for family)
Waterstonella Schram, 1979 † (verified source for family)
Whaitsia Haughton, 1918 † (verified source for family)