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

Palaeomyrmidon Megathericulus Mcdonaldocnus Chasicobradys Nematherium Promegatherium Lestobradys Pelecyodon Megatheriinae Pattersonocnus Pliometanastes Orophodon Scelidotherium Mylodontinae Nothropus Urumacotherium Paramylodon Pseudoprepotherium Nothrotherium Acratocnus Eremotherium Megalonychidae Megalonyx Mylodon Thalassocnus Glossotherium Hapalops Lestodon