Alternative spellings: Scelidotheridae, Scelidotheriidae
Parent taxon: Mylodontidae according to T. J. Gaudin 1995
See also Ameghino 1891, Miño-Boilini et al. 2009, Paula Couto 1956 and Zurita et al. 2004
Sister taxa: Chubutherium, Lestodontinae, Lestodontini, Magdalenabradys, Mirandabradys zabasi, Mylodontinae, Nematheriinae, Nematherium, Orophodon, Orophodontinae, Paraglossotherium, Pseudoprepotherium, Scelidotheridium, Urumacotheriinae
Subtaxa: Amnotherium Analcitherium Catonyx Lymodon Neonematherium Proscelidodon Scelidodon Scelidotheriops Scelidotherium Sibyllotherium Valgipes
Distribution:
• Quaternary of Argentina (56 collections), Bolivia (7), Brazil (24), Chile (1), Ecuador (2), Panama (1), Paraguay (2), Peru (12), Uruguay (6)
• Pliocene to Pleistocene of Argentina (1), Uruguay (1)
• Pliocene of Argentina (17), Bolivia (2), Colombia (1), Peru (1)
• Huayquerian of Argentina (22)
• Miocene to Pliocene of Argentina (1)
• Miocene of Argentina (6), Chile (1), Colombia (20)
• Deseadan of Uruguay (1)
Total: 185 collections including 234 occurrences