Peradectes List of the Cenozoic life of Nebraska List of the Cenozoic life of Montana Eoarctos List of the Cenozoic life of Wyoming List of the Cenozoic life of Colorado List of prehistoric mammals Stagodontidae Asiatherium Pappotherium Sinodelphys Atokatheridium Chulpasia Australohyaena Andinodelphys Deltatheroides Arminiheringia Gurlin Tsav skull Deltatheridium Scalaridelphys Peratherium Fredszalaya Siamoperadectes Herpetotherium Polydolopimorphia Antarctodolops Arcantiodelphys Unnuakomys Argyrolagus Prothylacinus Proborhyaenidae Oklatheridium Albertatherium Nanocuris Anatoliadelphys Hondalagus Mayulestes Alphadontidae Paraborhyaena Proborhyaena Mimoperadectes Deltatheroida Callistoe Gurbanodelta Holoclem…

mensia Herpetotheriidae Maastrichtidelphys Tsagandelta Patagosmilus Lotheridium Eodelphis Pharsophorus Alphadon Bonapartherium Thylacosmilidae Protalphadon Pucadelphys Borhyaena Peradectidae Sulestes Epidolops Deltatheridiidae Cladosictis Borhyaenidae Hondonadia Amphiperatherium Thylacosmilus Sparassodonta Didelphodon