Toxodontidae Patriarchus Teratopithecus Proacrodon Guilielmofloweria Micrauchenia Propachyrucos Coquenia Pseudobrachytherium Pascualihippus Amilnedwardsia Astrapotheria Olisanophus Typotheria Toxodontia Eoauchenia Fiandraia Megadolodus Thadanius Juchuysillu Saltaodus Eotypotherium Sparnotheriodontidae South American native ungulates Sparnotheriodon Piauhytherium Didolodontidae Archaeohyrax Liarthrus Medistylus Prohegetotherium Requisia Adianthidae Anayatherium Comahuetherium Pyrotheria Mesolicaphrium Notohippus Bounodus Hegetotheriopsis Brachytherium Nonotherium Othnielmarshia Nanolophodon Eoastrapostylops Termastherium Palyeidodon Picturotherium Santiagorothia Notiolofos Paranisolambda Eomorphippus…

s Chasicotherium Martinmiguelia Archaeopithecidae Henricosborniidae Maddenia Proectocion Homalodotherium Shecenia Lamegoia Notoetayoa Boleatherium Thoatheriopsis Phoenixauchenia Notioprogonia Ultrapithecus Tricoelodus Tremacyllus Transpithecus Protolipterna Dolichostylodon Windhausenia Archaeotypotherium Gyrinodon Trigodon Rhyphodon Eohyrax Proadinotherium Neolicaphrium Leontinia Polymorphis Archaeogaia Paginula Uruguaytherium Xe

nungulata Edvardotrouessartia Eurygenium Perutherium Gualta cuyana Adianthus Carolodarwinia Hegetotheriidae Mendozahippus Oldfieldthomasiidae Prolicaphrium Oldfieldthomasia Hegetotherium Brucemacfaddenia Interatherium Trigonostylops Taubatherium Proticia Scalabrinitherium Cramaucheniinae Plesiotypotherium Archaeopithecus Otrhonia Interatheriidae Paranauchenia Rhynchippus Xotodon Punahyrax Pisanodon Notonychops Scarrittia Villarroelia Macraucheniopsis Antofagastia Victorlemoinea Tetragonostylops Ethegotherium Simpsonotus Neobrachytherium Thomashuxleya Umayodus Ancylocoelus Parastrapotherium Proargyrohyrax Deuterotherium Pseudhyrax Typotheriopsis Altitypotherium Diplasiotherium