†subfamily Prepotherinae Ameghino 1894 (edentate)
Mammalia - Megatherioidea - Megatheriidae
Alternative spelling: Prepotheridae
Full reference: F. Ameghino. 1894. Enumeration synoptique des especes de mammifères fossiles des formations éocènes de Patagonie. Boletin de la Academia Nacional de Ciencias en Cordoba (Republica Argentina) 13:259-452
Parent taxon: Megatheriidae according to F. Ameghino 1904
See also Ameghino 1894
Sister taxa: none
Subtaxa: Prepotheriops Proprepotherium
Ecology: ground dwelling herbivore
Distribution: found only at Las Hornillas bearing level (Miocene of Argentina)