Lamegoia Salamanca Formation Phenacodus Peligran Didolodontidae Umayodus Didolodus Teratopithecus Patriarchus Pseudobrachytherium Pascualihippus Amilnedwardsia Toxodontia Eoauchenia Saltaodus Juchuysillu Proacrodon South American native ungulates Sparnotheriodontidae Typotheria Guilielmofloweria Micrauchenia Hegetotheriopsis Eotypotherium Propachyrucos Coniopternium Mesolicaphrium Pyrotheria Liarthrus Prohegetotherium Coquenia Medistylus Adianthidae Paranisolambda Notiolofos Phoenixauchenia Thoatheriopsis Notioprogonia Leontinia Archaeogaia Comahuetherium Paginula Polymorphis Hegetotheriidae Notohippus Oldfieldthomasiidae Hegetotherium Mendozahippus Oldfiel…

ldthomasia Nanolophodon Archaeohyrax Olisanophus Eomorphippus Boleatherium Palyeidodon Eoastrapostylops Taubatherium Sparnotheriodon Termastherium Picturotherium Santiagorothia Tricoelodus Ultrapithecus Uruguaytherium Notonychops Othnielmarshia Nonotherium Prolicaphrium Fiandraia Martinmiguelia Bounodus Isotemnidae Allalmeia Morphippus Peripantostylops Mesotheriidae Trigodon Gyrinodon Rhyphodon Proadinotherium Eohyrax Neolicaphrium Anayatherium Archaeotypotherium Pyrotheriidae Proticia Maddenia Astrapotheria Proectocion Shecenia Epitherium Wainka Propyrotherium Pisanodon Punahyrax Henricosborniidae Protolipterna

Dolichostylodon Brucemacfaddenia Piauhytherium Interatherium Trigonostylops Thomashuxleya Ethegotherium Simpsonotus Chasicotherium Neobrachytherium Macraucheniopsis Victorlemoinea Notopithecus Pseudotypotherium Notoetayoa Campanorco Interatheriinae Archaeopithecus Requisia Cramaucheniinae Plesiotypotherium Rhynchippus Neodolodus Rodcania Argyrohyrax Griphotherion Xesmodon Mesotherium Cochilius Archaeohyracidae Carolodarwinia Pachyrukhos Ernestokokenia Macraucheniinae Tetragonostylops Antofagastia Griphodon Perutherium Gualta cuyana Adianthus Thadanius Eurygenium Megadolodus Edvardotrouessartia Parastrapotherium Diplasiotherium Proargyrohyrax Typotheriopsis Archaeopithecidae Altitypotherium