Lestobradys Bolivartherium Mylodontinae List of prehistoric mammals Simomylodon Paramylodon Urumacotherium Mylodon Archaeomylodon Neocnus Ocnotherium Huilabradys Diabolotherium Mesopotamocnus Hapaloides Xibalbaonyx Lakukullus Neonematherium Australonyx Sibotherium Imagocnus Protamandua Parocnus Proschismotherium Meizonyx Proplatyarthrus Pseudoglyptodon Miocnus Nothrotheriops Ahytherium Hiskatherium Oreomylodon Megistonyx Orophodon Aymaratherium Urumacocnus Brievabradys Baraguatherium Octodontotherium Eionaletherium Pronothrotherium Mionothropus Magdalenabradys Megatheriinae Pattersonocnus Analcitherium Proscelidodon Proeremotherium Megalocnus Prepotherium Chubutherium Pseudopr…

repotherium Prepoplanops Pelecyodon Megalocnidae Nohochichak Thinobadistes Promegatherium Nematherium Acratocnus Pliometanastes Scelidodon Scelidotherium Chasicobradys Palaeomyrmidon Megathericulus Octomylodon Mylodontidae Valgipes Nothrotherium Mcdonaldocnus Nothropus Eremotherium Scelidotheriidae Megalonyx Megalonychidae Catonyx Megatheriidae Glossotherium Nothrotheriidae Thalassocnus Hapalops Lestodon Ituzaingó Formation Huayquerian South American land mammal age