Abanico Formation Mustersan Sparassodonta Tinguirirican Casamayoran Divisaderan Colhuehuapian Deseadan Pappotherium Asiatherium Stagodontidae Sinodelphys Atokatheridium Deltatheroides Deltatheridium Gurlin Tsav skull Polydolopimorphia Antarctodolops Herpetotherium Unnuakomys Chulpasia Andinodelphys Australohyaena Holoclemensia Gurbanodelta Callistoe Proborhyaenidae Arminiheringia Argyrolagus Sulestes Scalaridelphys Mayulestes Anatoliadelphys Hondalagus Fredszalaya Peratherium Mimoperadectes Deltatheroida Paraborhyaena Proborhyaena Alphadontidae Patagosmilus Tsagandelta South American land mammal age Siamoperadectes Arcantiodelphys Maastrichtidelphys Lotheridium Eodelphis Prothylacinus Alphadon Epidolops Deltatheridiidae Oklather…

ridium Albertatherium Nanocuris Pharsophorus Amphiperatherium Bonapartherium Herpetotheriidae Peradectes Borhyaena Peradectidae Pucadelphys Cladosictis Protalphadon Thylacosmilidae Hondonadia Borhyaenidae Thylacosmilus Didelphodon 2018 in paleomammalogy