Polydolopimorphia Asiatherium Pappotherium Sinodelphys Atokatheridium Stagodontidae Deltatheroides Gurlin Tsav skull Deltatheridium Antarctodolops Herpetotherium Unnuakomys Chulpasia Andinodelphys Australohyaena Proborhyaenidae Arminiheringia Argyrolagus Mimoperadectes Deltatheroida Scalaridelphys Mayulestes Anatoliadelphys Hondalagus Fredszalaya Peratherium Paraborhyaena Proborhyaena Alphadontidae Holoclemensia Callistoe Gurbanodelta Patagosmilus Tsagandelta Siamoperadectes Arcantiodelphys Maastrichtidelphys Sulestes Lotheridium Eodelphis Prothylacinus Alphadon Oklatheridium Albertatherium Nanocuris Pharsopho…

orus Borhyaena Peradectes Peradectidae Pucadelphys Bonapartherium Herpetotheriidae Cladosictis Protalphadon Thylacosmilidae Epidolops Deltatheridiidae Hondonadia Borhyaenidae Amphiperatherium Thylacosmilus Sparassodonta Didelphodon Colhuehuapian Sarmiento Formation