Polymorphis Proacrodon Guilielmofloweria Micrauchenia Juchuysillu Saltaodus Eoauchenia Toxodontia Pascualihippus Pseudobrachytherium Amilnedwardsia Patriarchus Teratopithecus Propachyrucos Typotheria Adianthidae Mesolicaphrium Pyrotheria South American native ungulates Sparnotheriodontidae Hegetotheriopsis Palyeidodon Eotypotherium Fiandraia Nonotherium Othnielmarshia Hegetotherium Oldfieldthomasia Mendozahippus Notohippus Hegetotheriidae Oldfieldthomasiidae Paginula Comahuetherium Archaeogaia Leontinia Martinmiguelia Bounodus Olisanophus Notiolofos Paranisolambda Maddenia Astrapotheria Didolo…

odontidae Medistylus Liarthrus Prohegetotherium Coquenia Prolicaphrium Proectocion Shecenia Picturotherium Santiagorothia Notonychops Uruguaytherium Trigodon Proadinotherium Anayatherium Eohyrax Gyrinodon Rhyphodon Archaeotypotherium Neolicaphrium Lamegoia Boleatherium Eomorphippus Protolipterna Henricosborniidae Dolichostylodon Nanolophodon Archaeohyrax Thoatheriopsis Phoenixauchenia Notioprogonia Plesiotypotherium Requisia Cramaucheniinae Archaeopithecus Rhynchippus Neobrachyther

ium Ethegotherium Thomashuxleya Macraucheniopsis Victorlemoinea Simpsonotus Chasicotherium Eoastrapostylops Taubatherium Termastherium Sparnotheriodon Pisanodon Punahyrax Edvardotrouessartia Thadanius Perutherium Megadolodus Gualta cuyana Adianthus Eurygenium Tricoelodus Ultrapithecus Interatheriidae Xotodon Scalabrinitherium Otrhonia Paranauchenia Mesotheriidae Astrapothericulus Isotemnidae Allalmeia Peripantostylops Morphippus Griphodon Antofagastia Tetragonostylops Proticia Pyrotheriidae Typotheriopsis Deuterotherium Parastrapotherium Proargyrohyrax Archaeopithecidae Altitypotherium Diplasioth