Scalaridelphys Itaboraian Itaboraí Formation Stagodontidae Pappotherium 2020 in paleomammalogy Sinodelphys Atokatheridium Asiatherium Deltatheroides Deltatheridium Gurlin Tsav skull Antarctodolops Polydolopimorphia Herpetotherium Chulpasia Australohyaena Andinodelphys Proborhyaenidae Peratherium Fredszalaya Argyrolagus Arminiheringia Unnuakomys Patagosmilus Tsagandelta Paraborhyaena Alphadontidae Proborhyaena Siamoperadectes Arcantiodelphys Mayulestes Anatoliadelphys Hondalagus Lotheridium Eodelphis Maastrichtidelphys Holoclemensia Callistoe Gurbanodelta Mimoperadectes Deltatheroida Sulestes Alphado…

on Prothylacinus Herpetotheriidae Pharsophorus Oklatheridium Nanocuris Albertatherium Hondonadia Borhyaenidae Thylacosmilidae Protalphadon Bonapartherium Epidolops Deltatheridiidae South American land mammal age Peradectes Borhyaena Peradectidae Pucadelphys Amphiperatherium Cladosictis Sparassodonta Thylacosmilus Didelphodon 2018 in paleomammalogy 2021 in paleomammalogy