Mcdonaldocnus Hiskatherium Chasicobradys Cullinia Lakukullus Nothrotheriidae Kelenkura Hoffstetterius Collón Curá Formation Protypotherium Megatheriidae Neocnus Ocnotherium Diabolotherium Protamandua Proschismotherium Parocnus Nothrotheriops Mesopotamocnus Proplatyarthrus Ahytherium Imagocnus Archaeomylodon Aymaratherium Brievabradys Urumacocnus Meizonyx Simomylodon Baraguatherium Proeremotherium Proscelidodon Huilabradys Sibotherium Australonyx Pronothrotherium Thinobadistes Miocnus Octodontotherium Eionaletherium Analcitherium Megatheriinae Pattersonocnus Pseudoglyptodon Scelidodon Xibalbaonyx Hapaloides Neonematherium Oreomylodon Megistonyx Nohochichak Valgipes Mylodontidae Prepother…

rium Chubutherium Megalocnidae Promegatherium Colloncuran Magdalenabradys Mionothropus Prepoplanops Megalocnus Nematherium Lestobradys Pelecyodon Bolivartherium Palaeomyrmidon Megathericulus Octomylodon Pliometanastes Orophodon Mylodontinae Scelidotherium Pseudoprepotherium Nothropus Urumacotherium Nothrotherium Acratocnus Scelidotheriidae Megalonychidae Eremotherium Mylodon Megalonyx Paramylodon Catonyx Thalassocnus Glossotherium 2022 in paleomammalogy Hapalops Lestodon Santa Cruz Formation South American land mammal age