Ronwolffia Sparassodonta Pyrotherium List of prehistoric mammals Thylacosmilus Pappotherium Asiatherium Sinodelphys Stagodontidae Atokatheridium Chulpasia Australohyaena Andinodelphys Gurlin Tsav skull Herpetotherium Polydolopimorphia Antarctodolops Peratherium Fredszalaya Siamoperadectes Lycopsis Deltatheroides Arminiheringia Unnuakomys Arcantiodelphys Deltatheridium Scalaridelphys Argyrolagus Prothylacinus Deltatheroida Mimoperadectes Hondalagus Anatoliadelphys Mayulestes Proborhyaenidae Herpetotheriidae Alphadontidae Paraborhyaena Proborhyaena Tsagandelta Patagosmilus Oklatheridium Nanocuris Albertatherium Callistoe Holoclemensia Gurbanodelta Maastrichtidelphys Eodelphis Lotheridium Pharsophorus Pucadelphys Perad…

dectes Borhyaena Peradectidae Bonapartherium Cladosictis Alphadon Borhyaenidae Hondonadia Protalphadon Thylacosmilidae Deltatheridiidae Epidolops Sulestes Amphiperatherium Didelphodon Deseadan Sarmiento Formation