Aaptoryctes Gingerich, 1982 † (extant flag source)
Aaptoryctes Gingerich, 1982 † (basis of record)
Abalosia Reig & Quintana, 1991 † (extant flag source)
Abalosia Reig & Quintana, 1991 † (basis of record)
Abderites Ameghino, 1887 † (extant flag source)
Abderites Ameghino, 1887 † (basis of record)
Abditomys Musser, 1982 (extant flag source)
Abditomys Musser, 1982 (basis of record)
Abelia Kretzoi, 1938 † (extant flag source)
Abelia Kretzoi, 1938 † (basis of record)
Abelmoschomys Baskin, 1986 † (basis of record)
Abelmoschomys Baskin, 1986 † (extant flag source)
Abelodon Brunet, Coppens, Dejax, Flynn et al., 1990 † (extant flag source)
Abelodon Brunet, Coppens, Dejax, Flynn et al., 1990 † (basis of record)
Aboletylestes Russell, 1964 † (extant flag source)
Aboletylestes Russell, 1964 † (basis of record)
Abrawayaomys Cunha & Cruz, 1979 (extant flag source)
Abrawayaomys Cunha & Cruz, 1979 (basis of record)
Abrocoma Waterhouse, 1837 (basis of record)
Abrocoma Waterhouse, 1837 (extant flag source)
Abrosomys Shevyreva, 1984 † (extant flag source)
Abrosomys Shevyreva, 1984 † (basis of record)
Abrothrix Waterhouse, 1837 (basis of record)
Abrothrix Waterhouse, 1837 (extant flag source)
Absarokius Matthew, 1915 † (basis of record)
Absarokius Matthew, 1915 † (extant flag source)
Abudhabia de Bruijn & Whybrow, 1994 † (basis of record)
Abudhabia de Bruijn & Whybrow, 1994 † (extant flag source)
Acamana Simpson, Minoprio & Patterson, 1962 † (basis of record)
Acamana Simpson, Minoprio & Patterson, 1962 † (extant flag source)
Acantharodeia Rovereto, 1914 † (extant flag source)
Acantharodeia Rovereto, 1914 † (basis of record)
Acanthoglossus Gervais, 1877 accepted as Zaglossus Gill, 1877 (basis of record)
Acanthoglossus Gervais, 1877 accepted as Zaglossus Gill, 1877 (extant flag source)
Acarechimys Patterson in J.L. Kraglievich, 1965 † (basis of record)
Acarechimys Patterson in J.L. Kraglievich, 1965 † (extant flag source)
Acaremys Ameghino, 1887 † (extant flag source)
Acaremys Ameghino, 1887 † (basis of record)
Acarictis Gingerich & Deutsch, 1989 † (extant flag source)
Acarictis Gingerich & Deutsch, 1989 † (basis of record)
Acdestis Ameghino, 1887 † (extant flag source)
Acdestis Ameghino, 1887 † (basis of record)
Acdestodon Bown & Fleagle, 1993 † (extant flag source)
Acdestodon Bown & Fleagle, 1993 † (basis of record)
Acdestoides Bown & Fleagle, 1993 † (extant flag source)
Acdestoides Bown & Fleagle, 1993 † (basis of record)
Aceratherium Kaup, 1832 † (extant flag source)
Aceratherium Kaup, 1832 † (basis of record)
Acerodon Jourdan, 1837 (basis of record)
Acerodon Jourdan, 1837 (extant flag source)
Acerorhinus Kretzoi, 1942 † (extant flag source)
Acerorhinus Kretzoi, 1942 † (basis of record)
Acheronodon Archibald, 1982 † (basis of record)
Acheronodon Archibald, 1982 † (extant flag source)
Achlyoscapter Hutchison, 1968 † (extant flag source)
Achlyoscapter Hutchison, 1968 † (basis of record)
Acinonyx Brookes, 1828 (basis of record)
Acmeodon Matthew & Granger, 1921 † (basis of record)
Acmeodon Matthew & Granger, 1921 † (extant flag source)
Acoelodus Ameghino, 1897 † (basis of record)
Acoelodus Ameghino, 1897 † (extant flag source)
Acoelohyrax Ameghino, 1902 † (extant flag source)
Acoelohyrax Ameghino, 1902 † (basis of record)
Acoessus Cope, 1881 † (extant flag source)
Acoessus Cope, 1881 † (basis of record)
Acomys Geoffroy, 1838 (basis of record)
Acratocnus Anthony, 1916 † (basis of record)
Acratocnus Anthony, 1916 † (extant flag source)
Acremylodon Mones, 1986 † (basis of record)
Acremylodon Mones, 1986 † (extant flag source)
Acritohippus Kelly, 1995 † (extant flag source)
Acritohippus Kelly, 1995 † (basis of record)
Acritoparamys Korth, 1984 † (basis of record)
Acritoparamys Korth, 1984 † (extant flag source)
Acrobates Desmarest, 1817 (basis of record)
Acrocyon Ameghino, 1887 † (extant flag source)
Acrocyon Ameghino, 1887 † (basis of record)
Acrodelphis Abel, 1900 † (basis of record)
Acrophoca de Muizon, 1981 † (extant flag source)
Acrophoca de Muizon, 1981 † (basis of record)
Actenomys Burmeister, 1888 † (basis of record)
Actenomys Burmeister, 1888 † (extant flag source)
Adapidium † (basis of record)
Adapidium † (extant flag source)
Adapis Cuvier, 1822 † (basis of record)
Adapis Cuvier, 1822 † (extant flag source)
Adapoides Beard, Qi, Dawson, Wang & Li, 1994 † (basis of record)
Adapoides Beard, Qi, Dawson, Wang & Li, 1994 † (extant flag source)
Adcrocuta Kretzoi, 1938 † (basis of record)
Adcrocuta Kretzoi, 1938 † (extant flag source)
Addax Laurillard, 1841 (extant flag source)
Addax Laurillard, 1841 (basis of record)
Adelobasileus Lucas & Hunt, 1990 † (extant flag source)
Adelobasileus Lucas & Hunt, 1990 † (basis of record)
Adeloblarina Repenning, 1967 † (extant flag source)
Adeloblarina Repenning, 1967 † (basis of record)
Adelomyarion Hugueney, 1969 † (basis of record)
Adelomyarion Hugueney, 1969 † (extant flag source)
Adelomys Gervais in Pictet, 1853 † (extant flag source)
Adelomys Gervais in Pictet, 1853 † (basis of record)