Polydolopimorphia Stagodontidae Pappotherium Asiatherium Geste Formation Sinodelphys Atokatheridium Australohyaena Chulpasia Andinodelphys Deltatheroides Arminiheringia Gurlin Tsav skull Deltatheridium Scalaridelphys Peratherium Fredszalaya Siamoperadectes Herpetotherium Antarctodolops Arcantiodelphys Unnuakomys Argyrolagus Prothylacinus Proborhyaenidae Oklatheridium Albertatherium Nanocuris Anatoliadelphys Hondalagus Mayulestes Alphadontidae Paraborhyaena Proborhyaena Mimoperadectes Deltatheroida Herpetotheriidae Maastrichtidelphys Callistoe Gurbanodelta Holoclemensia Tsagandelta Patagosmilus Pharsophorus Lotheridium Eodelphis Alphadon Bonapartherium Thylacosmilidae Protalphadon Pucadelphys Borhyaena Peradectes Peradecti…

idae Cladosictis Sulestes Epidolops Deltatheridiidae Borhyaenidae Hondonadia Amphiperatherium Mustersan Thylacosmilus Sparassodonta Didelphodon