Scelidotheriidae Analcitherium Neonematherium List of prehistoric mammals Bolivartherium Valgipes Catonyx Nothrotheriidae Megatheriidae Neocnus Archaeomylodon Ocnotherium Nothrotheriops Proplatyarthrus Diabolotherium Mesopotamocnus Parocnus Proschismotherium Protamandua Pseudoglyptodon Simomylodon Baraguatherium Ahytherium Huilabradys Proscelidodon Imagocnus Magdalenabradys Mionothropus Aymaratherium Brievabradys Urumacocnus Nohochichak Xibalbaonyx Hapaloides Lakukullus Meizonyx Megatheriinae Pattersonocnus Prepotherium Chubutherium Australonyx Sibotherium Megalocnus Prepoplanops Proeremotherium Pronothrotherium Thinobadistes Miocnus Palaeomyrmidon Chasicobradys Megathericulus Octomylodon Scelidodon Eionaletherium O…

Octodontotherium Orophodon Pliometanastes Mylodontidae Hiskatherium Megistonyx Oreomylodon Promegatherium Urumacotherium Mcdonaldocnus Nothropus Paramylodon Pseudoprepotherium Megalocnidae Acratocnus Nothrotherium Nematherium Lestobradys Pelecyodon Eremotherium Mylodontinae Scelidotherium Megalonyx Megalonychidae Mylodon Thalassocnus Glossotherium Hapalops Lestodon