Toxodontidae Proacrodon Amilnedwardsia Pascualihippus Pseudobrachytherium Toxodontia Typotheria Eoauchenia Hegetotheriopsis Astrapotheria Patriarchus Teratopithecus Juchuysillu Saltaodus Comahuetherium Micrauchenia Guilielmofloweria Propachyrucos Coquenia Olisanophus Notohippus Adianthidae Requisia Anayatherium Bounodus Notiolofos Eomorphippus Paranisolambda Ultrapithecus Phoenixauchenia Thoatheriopsis Notioprogonia Tricoelodus Henricosborniidae Maddenia Megadolodus Thadanius Fiandraia Pyrotheria Mesolicaphrium Palyeidodon Picturotherium Santiagorothia Martinmiguelia Archaeopithecidae Lamegoia Boleatherium Notoetayoa South American native ungulates Sparnotheriodontidae Sparnotheriodon Eotypotherium Archaeogaia Leontin…

nia Paginula Uruguaytherium Polymorphis Carolodarwinia Allalmeia Mesotheriidae Astrapothericulus Morphippus Peripantostylops Isotemnidae Protolipterna Windhausenia Tremacyllus Dolichostylodon Transpithecus Chasicotherium Didolodontidae Piauhytherium Medistylus Archaeohyrax Liarthrus Prohegetotherium Notonychops Mendozahippus Hegetotheriidae Hegetotherium Oldfieldthomasiidae Oldfieldthomasia Prolicaphrium Termastherium Eoastrapostylo

ps Epitherium Propyrotherium Wainka Othnielmarshia Nonotherium Brachytherium Nanolophodon Rhyphodon Proadinotherium Trigodon Archaeotypotherium Eohyrax Neolicaphrium Gyrinodon Umayodus Proectocion Homalodotherium Shecenia Pisanodon Punahyrax Rhynchippus Scalabrinitherium Otrhonia Xotodon Paranauchenia Cramaucheniinae Archaeopithecus Interatheriidae Plesiotypotherium Typotheriopsis Ancylocoelus Proargyrohyrax Deuterotherium Parastrapotherium Pseudhyrax Altitypotherium Diplasiotherium Pseudotypotherium Notopithecus Rodcania Argyrohyrax Mesotherium Archaeohyracidae Neodolodus Cochilius Griphotherion Xesmodon Llullataruca Elmerriggsia Paulogervaisia Xenung