Proterotheriidae Guilielmofloweria Litopterna Juchuysillu Saltaodus Pseudobrachytherium Pascualihippus Amilnedwardsia Toxodontia Eoauchenia Teratopithecus Patriarchus Proacrodon Hegetotheriopsis Typotheria South American native ungulates Sparnotheriodontidae Micrauchenia Eotypotherium Propachyrucos Coniopternium Hegetotheriidae Notohippus Oldfieldthomasiidae Hegetotherium Mendozahippus Oldfieldthomasia Mesolicaphrium Pyrotheria Prolicaphrium Adianthidae Paranisolambda Notiolofos Picturotherium Santiagorothia Leontinia Archaeogaia Comahuetherium Paginula Polymorphis Liarthrus Didolodontidae Coquenia Medi…

istylus Prohegetotherium Palyeidodon Lamegoia Eomorphippus Boleatherium Isotemnidae Allalmeia Morphippus Peripantostylops Mesotheriidae Uruguaytherium Notonychops Eoastrapostylops Taubatherium Sparnotheriodon Termastherium Nanolophodon Archaeohyrax Othnielmarshia Nonotherium Thoatheriopsis Phoenixauchenia Notioprogonia Fiandraia Olisanophus Martinmiguelia Bounodus Epitherium Wainka Propyrotherium Pyrotheriidae Proticia Astrapotheria Maddenia Proectocion Sh

ecenia Tricoelodus Ultrapithecus Pachyrukhos Macraucheniinae Umayodus Ernestokokenia Trigodon Gyrinodon Proadinotherium Rhyphodon Eohyrax Neolicaphrium Anayatherium Archaeotypotherium Thomashuxleya Macraucheniopsis Ethegotherium Neobrachytherium Chasicotherium Simpsonotus Victorlemoinea Henricosborniidae Protolipterna Dolichostylodon Adinotherium Punahyrax Pisanodon Archaeopithecus Requisia Cramaucheniinae Plesiotypotherium Rhynchippus Notopithecus Pseudotypotherium Notoetayoa Campanorco Interatheriinae Tetragonostylops Antofagastia Griphodon Asmodeus (mammal) Albertogaudrya Notostylopidae Colpodon Hypsitherium Brucem