Achlis Fischer, 1829 accepted as Alces Gray, 1821 (verified source for family)
Achlys Agassiz, 1846 accepted as Alces Gray, 1821 (verified source for family)
Agriotherium Scott, 1898 † accepted as Protoreodon Scott & Osborn, 1887 † (verified source for family)
Alus Gray, 1825 accepted as Alces Gray, 1821 (verified source for family)
Anomalocera Philippi, 1870 accepted as Hippocamelus Leuckart, 1816 (verified source for family)
Anomolocera Gray, 1869 accepted as Hippocamelus Leuckart, 1816 (verified source for family)
Arctotherium Lemoine, 1896 † accepted as Arctocyon de Blainville, 1841 † (verified source for family)
Atherura Gray, 1842 accepted as Atherurus Cuvier, 1829 (habitat flag source)
Atherura Gray, 1842 accepted as Atherurus Cuvier, 1829 (extant flag source)
Aulaxinus Lydekker in Nicholson & Lydekker, 1889 † accepted as Macaca Lacepède, 1799 (verified source for family)
Aulaxinuus Cocchi, 1872 † accepted as Macaca Lacepède, 1799 (verified source for family)
Brachygnathus Gervais, 1848-52 † accepted as Synaphodus Pomel, 1848 † (verified source for family)
Brachygnatus Pomel, 1848 † accepted as Synaphodus Pomel, 1848 † (verified source for family)
Brachyotus Kolenati, 1856 accepted as Myotis Kaup, 1829 (extant flag source)
Brachyotus Kolenati, 1856 accepted as Myotis Kaup, 1829 (habitat flag source)
Bradytherium Grandidier, 1901 † accepted as Palaeopropithecus Grandidier, 1899 † (extant flag source)
Bumbanomys Shevyreva in Badamgarav & Reshetov, 1985 † accepted as Bumbanomys Shevyreva, 1989 † (verified source for family)
Bumbanomys Shevyreva, 1983 † accepted as Bumbanomys Shevyreva, 1989 † (verified source for family)
Carlesia Kraglievich, 1929 † accepted as Eumegamys Kraglievich, 1926 † (extant flag source)
Carlesia Kraglievich, 1929 † accepted as Eumegamys Kraglievich, 1926 † (habitat flag source)
Catadontherium Depéret, 1908 † accepted as Catodontherium Depéret, 1908 † (verified source for family)
Cerophorus de Blainville, 1816 accepted as Boselaphus de Blainville, 1816 (extant flag source)
Cerophorus de Blainville, 1816 accepted as Boselaphus de Blainville, 1816 (habitat flag source)
Chaeropithecus Sénéchal, 1839 accepted as Papio Erxleben, 1777 (habitat flag source)
Chaeropithecus Sénéchal, 1839 accepted as Papio Erxleben, 1777 (verified source for family)
Chaeropithecus Sénéchal, 1839 accepted as Papio Erxleben, 1777 (extant flag source)
Choelopus Lichtenstein, 1818 accepted as Choloepus Illiger, 1811 (extant flag source)
Choeropithecus de Blainville, 1839 accepted as Papio Erxleben, 1777 (verified source for family)
Choeropithecus de Blainville, 1839 accepted as Papio Erxleben, 1777 (habitat flag source)
Choeropithecus de Blainville, 1839 accepted as Papio Erxleben, 1777 (extant flag source)
Choeropus Mitchell, 1838 accepted as Chaeropus Ogilby, 1838 (extant flag source)
Chorotherium Berg, 1899 † accepted as Protoreodon Scott & Osborn, 1887 † (verified source for family)
Conodus Gervais, 1869 † accepted as Trogontherium Fischer de Waldheim, 1809 † (verified source for family)
Cyclochilus Brandt, 1878 accepted as Ceratotherium Gray, 1868 (extant flag source)
Cyclochilus Brandt, 1878 accepted as Ceratotherium Gray, 1868 (habitat flag source)
Cyclothurus Gray, 1825 accepted as Cyclopes Gray, 1821 (extant flag source)
Dasurus Anon., 1829 accepted as Dasyurus Geoffroy, 1796 (habitat flag source)
Dasurus Anon., 1829 accepted as Dasyurus Geoffroy, 1796 (extant flag source)
Dasynotus Wagler, 1830 accepted as Heteromys Desmarest, 1817 (extant flag source)
Dasynotus Wagler, 1830 accepted as Heteromys Desmarest, 1817 (habitat flag source)
Diaphoromys Kraglievich, 1931 † accepted as Eumegamys Kraglievich, 1926 † (extant flag source)
Dicardia Ameghino, 1891 † accepted as Eocardia Ameghino, 1887 † (habitat flag source)
Dicardia Ameghino, 1891 † accepted as Eocardia Ameghino, 1887 † (extant flag source)
Dormaalius Quinet, 1966 † accepted as Dormaalius Quinet, 1964 † accepted as Macrocranion Weitzel, 1949 † (verified source for family)
Draximenus Anonymous, 1829 accepted as Phascolarctos Blainville, 1816 (extant flag source)
Echinothrix Brookes, 1828 accepted as Hystrix Linnaeus, 1758 (habitat flag source)
Echinothrix Brookes, 1828 accepted as Hystrix Linnaeus, 1758 (extant flag source)
Eohyus Marsh, 1894 † accepted as Phenacodus Cope, 1873 † (extant flag source)
Eohyus Marsh, 1894 † accepted as Phenacodus Cope, 1873 † (habitat flag source)
Essonodontherium Ameghino, 1884 † accepted as Megatherium Cuvier, 1796 † (habitat flag source)
Essonodontherium Ameghino, 1884 † accepted as Megatherium Cuvier, 1796 † (extant flag source)
Gnathopsis Leidy, 1852 † accepted as Megalonyx Jefferson, 1799 † (extant flag source)
Gnathopsis Leidy, 1852 † accepted as Megalonyx Jefferson, 1799 † (habitat flag source)
Hebetotherium Ameghino, 1898 † accepted as Megatherium Cuvier, 1796 † (habitat flag source)
Hebetotherium Ameghino, 1898 † accepted as Megatherium Cuvier, 1796 † (extant flag source)
Humbertia de Beaumont, 1965 † accepted as Quercygale Kretzoi, 1945 † (habitat flag source)
Hyomeryx Marsch, 1894 † accepted as Protoreodon Scott & Osborn, 1887 † (verified source for family)
Isostylomys Kraglievich, 1929 † accepted as Eumegamys Kraglievich, 1926 † (extant flag source)
Isostylomys Kraglievich, 1929 † accepted as Eumegamys Kraglievich, 1926 † (habitat flag source)
Kelloggia Mchedlidze, 1976 † accepted as Squalodon Grateloup, 1840 † (verified source for family)
Kemas Gray, 1843 accepted as Pantholops Hodgson, 1834 (habitat flag source)
Kemas Gray, 1843 accepted as Pantholops Hodgson, 1834 (extant flag source)
Mesagriochoerus Peterson, 1934 † accepted as Protoreodon Scott & Osborn, 1887 † (verified source for family)
Myoryctes Forsyth Major, 1908 † accepted as Plesiorycteropus Filhol, 1895 † (habitat flag source)
Neoracanthus Ameghino, 1889 † accepted as Megatherium Cuvier, 1796 † (habitat flag source)
Neoracanthus Ameghino, 1889 † accepted as Megatherium Cuvier, 1796 † (extant flag source)
Ocnobates Cope, 1890 † accepted as Megatherium Cuvier, 1796 † (habitat flag source)
Ocnobates Cope, 1890 † accepted as Megatherium Cuvier, 1796 † (extant flag source)
Opisthotomus Cope, 1875 † accepted as Phenacodus Cope, 1873 † (habitat flag source)
Oracanthus Ameghino, 1885 † accepted as Megatherium Cuvier, 1796 † (habitat flag source)
Oracanthus Ameghino, 1885 † accepted as Megatherium Cuvier, 1796 † (extant flag source)
Protagriochoerus Scott, 1899 † accepted as Protoreodon Scott & Osborn, 1887 † (verified source for family)
Protomegamys Kraglievich, 1932 † accepted as Eumegamys Kraglievich, 1926 † (habitat flag source)
Protomegamys Kraglievich, 1932 † accepted as Eumegamys Kraglievich, 1926 † (extant flag source)
Rusconia Kraglievich, 1931 † accepted as Eumegamys Kraglievich, 1926 † (habitat flag source)
Rusconia Kraglievich, 1931 † accepted as Eumegamys Kraglievich, 1926 † (extant flag source)
Saccomys Cuvier, 1824 accepted as Heteromys Desmarest, 1817 (extant flag source)
Saccomys Cuvier, 1824 accepted as Heteromys Desmarest, 1817 (habitat flag source)
Spenodon Lund, 1839 † accepted as Scelidotherium Owen, 1839 † (extant flag source)
Stenodon Ameghino, 1885 † accepted as Scelidotherium Owen, 1839 † (extant flag source)
Stenodontherium Ameghino, 1889 † accepted as Scelidotherium Owen, 1839 † (extant flag source)
Sycophaga Winge, 1892 accepted as Pygoderma Peters, 1863 (habitat flag source)
Sycophaga Winge, 1892 accepted as Pygoderma Peters, 1863 (extant flag source)
Tricardia Ameghino, 1891 † accepted as Eocardia Ameghino, 1887 † (extant flag source)
Tricardia Ameghino, 1891 † accepted as Eocardia Ameghino, 1887 † (habitat flag source)
Trigodon Ameghino, 1882 † accepted as Eutrigonodon Ameghino, 1891 † (verified source for family)
Trigodon Ameghino, 1882 † accepted as Eutrigonodon Ameghino, 1891 † (extant flag source)
Trigodon Ameghino, 1887 † accepted as Eutrigonodon Ameghino, 1891 † (extant flag source)
Trigodon Ameghino, 1887 † accepted as Eutrigonodon Ameghino, 1891 † (verified source for family)
Trigonodon Ameghino, 1891 † accepted as Eutrigonodon Ameghino, 1891 † (extant flag source)
Trigonodon Ameghino, 1891 † accepted as Eutrigonodon Ameghino, 1891 † (verified source for family)
Trispondylus Cope, 1884 † accepted as Phenacodus Cope, 1873 † (habitat flag source)
Trispondylus Cope, 1884 † accepted as Phenacodus Cope, 1873 † (extant flag source)
Vampyrella Reinhardt, 1872 accepted as Micronycteris Gray, 1866 (habitat flag source)
Vampyrella Reinhardt, 1872 accepted as Micronycteris Gray, 1866 (extant flag source)
Vampyrus Ranzani, 1820 accepted as Vampyrum Rafinesque, 1815 (habitat flag source)
Vampyrus Ranzani, 1820 accepted as Vampyrum Rafinesque, 1815 (extant flag source)