Megalonychidae Protypotherium Ahytherium Urumacocnus Nothrotheriidae Megatheriidae Neocnus Ocnotherium Archaeomylodon Diabolotherium Nothrotheriops Proschismotherium Parocnus Proplatyarthrus Protamandua Pseudoglyptodon Mesopotamocnus Imagocnus Mionothropus Magdalenabradys Simomylodon Baraguatherium Aymaratherium Brievabradys Proscelidodon Meizonyx Sibotherium Australonyx Pronothrotherium Proeremotherium Huilabradys Eionaletherium Octodontotherium Thinobadistes Miocnus Analcitherium Megatheriinae Pattersonocnus Prepotherium Chubutherium Scelidodon Prepoplanops Megalocnus Hiskatherium Oreomylodon Megistonyx Nohochichak Valgipes Mylodontidae Xibalbaonyx Lakukullus Hapaloides Neonematherium Promegatherium Megalocnidae Pliometanaste…

es Nematherium Lestobradys Pelecyodon Bolivartherium Palaeomyrmidon Megathericulus Chasicobradys Octomylodon Mcdonaldocnus Orophodon Eremotherium Mylodontinae Scelidotherium Nothrotherium Acratocnus Pseudoprepotherium Nothropus Urumacotherium Paramylodon Scelidotheriidae Megalonyx Mylodon Catonyx Thalassocnus Glossotherium Hapalops Lestodon Santa Cruz Formation