†subfamily Scelidotheriinae Ameghino 1894 (ground sloth)
Mammalia - Xenarthra - Mylodontidae
Alternative spelling: Scelidotheriidae
Parent taxon: Mylodontidae according to T. J. Gaudin 1995
Sister taxa: Asiabradypus, Elassotherium, Glossotheridium, Lestodontinae, Mylodonopsis, Mylodontinae, Neonematherium, Octomylodon, Paroctodontotherium, Sphenotherus, Thinobadistes
Subtaxa: Ammotherium, Analcitherium, Catonyx, Lymodon, Nematherium, Scelidodon, Scelidotherium, Valgipes
Type: Scelidotherium
Ecology: ground dwelling herbivore