†superfamily Megatherioidea Gray 1821 (edentate)
Alternative spelling: Megatherioidae
Parent taxon: Eufolivora according to L. Varela et al. 2019
See also Hay 1930, Paula Couto 1956, Pujos 2006, Pujos et al. 2007 and White and MacPhee 2001
Sister taxa: Bradypodidae, Mylodontidae
Subtaxa: Hiskatherium Megalonychidae Megatheria Pelecyodon Schismotherium Similhapalops
Type: Megatherium
Ecology: ground dwelling omnivore