Megalonychidae Archaeomylodon Neocnus Ocnotherium Huilabradys Proplatyarthrus Diabolotherium Mesopotamocnus Meizonyx Neonematherium Xibalbaonyx Lakukullus Hapaloides Pseudoglyptodon Protamandua Baraguatherium Simomylodon Australonyx Sibotherium Imagocnus Proscelidodon Miocnus Parocnus Proschismotherium Nothrotheriops Eionaletherium Octodontotherium Mionothropus Magdalenabradys Aymaratherium Urumacocnus Brievabradys Megistonyx Oreomylodon Hiskatherium Orophodon Ahytherium Pronothrotherium Nohochichak Megatheriinae Pattersonocnus Analcitherium Pseudoprepotherium Megalocnidae Proeremotherium Pelecyodon Lestobra…

adys Nematherium Thinobadistes Promegatherium Megalocnus Prepotherium Chubutherium Chasicobradys Palaeomyrmidon Megathericulus Octomylodon Prepoplanops Mylodontinae Scelidotherium Bolivartherium Scelidodon Acratocnus Pliometanastes Urumacotherium Mcdonaldocnus Nothropus Paramylodon Mylodontidae Valgipes Eremotherium Nothrotherium Scelidotheriidae Megalonyx Catonyx Mylodon Megatheriidae Nothrotheriidae Glossotherium Thalassocnus Hapalops Lestodon Ituzaingó Formation Huayquerian