Herpetotheriidae List of the Cenozoic life of Montana List of the Cenozoic life of Nebraska List of the Cenozoic life of Wyoming Wasatch Formation List of prehistoric mammals Pappotherium Stagodontidae Sinodelphys Atokatheridium Asiatherium Deltatheroides Gurlin Tsav skull Deltatheridium Polydolopimorphia Antarctodolops Herpetotherium Unnuakomys Argyrolagus Arminiheringia Patagosmilus Tsagandelta Holoclemensia Gurbanodelta Callistoe Chulpasia Australohyaena Andinodelphys Peratherium Fredszalaya Anatoliadelphys Mayulestes Hondalagus Scalaridelphys Proborhyaenidae Eodelphis Lotheridium Mimoperadectes Deltatheroida Sulestes Siamoperadectes Arcantiodelphys Paraborhyaena A…

Alphadontidae Proborhyaena Maastrichtidelphys Pharsophorus Oklatheridium Albertatherium Nanocuris Hondonadia Borhyaenidae Epidolops Deltatheridiidae Prothylacinus Bonapartherium Alphadon Amphiperatherium Borhyaena Peradectes Pucadelphys Peradectidae Cladosictis Thylacosmilidae Protalphadon Sparassodonta Thylacosmilus Didelphodon 2020 in paleomammalogy