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

phadon Thylacosmilidae Alphadon Bonapartherium Pucadelphys Peradectes Borhyaena Peradectidae Cladosictis Deltatheridiidae Epidolops Sulestes South American land mammal age Borhyaenidae Hondonadia Amphiperatherium Thylacosmilus Sparassodonta Didelphodon 2018 in paleomammalogy