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

metanastes Orophodon Mylodontinae Scelidotherium Paramylodon Eremotherium Palaeomyrmidon Megathericulus Chasicobradys Octomylodon Mcdonaldocnus Pseudoprepotherium Nothrotherium Acratocnus Nothropus Urumacotherium Scelidotheriidae Mylodon Megalonyx Catonyx Thalassocnus Glossotherium Nothrotheriidae Megatheriidae Hapalops Lestodon Ituzaingó Formation Huayquerian