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

tes Scelidodon Pelecyodon Lestobradys Megalocnidae Promegatherium Nematherium Orophodon Paramylodon Octomylodon Megathericulus Mcdonaldocnus Chasicobradys Palaeomyrmidon Nothrotherium Acratocnus Mylodontinae Scelidotherium Pseudoprepotherium Nothropus Urumacotherium Eremotherium Scelidotheriidae Megalonyx Mylodon Catonyx Glossotherium Thalassocnus Megatheriidae Nothrotheriidae Hapalops Lestodon Ituzaingó Formation Huayquerian