Mammalia - Xenarthra - Megalonychidae
Alternative spelling: Cholaepus
Full reference: C. Illiger. 1811. Prodromus Systematis Mammalium et Avium
Parent taxon: Megalonychidae according to T. J. Gaudin 1995
Sister taxa: Acratocnus, Ahytherium, Amphihapalops, Amphiocnus, Australonyx, Diabolotherium, Diheterocnus, Eugeronops, Hyperleptus, Mecorhinus, Megalocninae, Megalocnus, Megalonychinae, Megalonychops, Megalonychotherium, Megalonyx, Meizonyx, Mesocnus, Metopotherini, Microcnus, Miocnus, Nothropus, Ocnopodinae, Ortotheriinae, Ortotherium, Paranabradys, Pliometanastes, Pliomorphus, Proplatyarthrus, Protomegalonyx, Torcellia, Bradypodina
Subtaxa: Choloepus agustinus, Choloepus andinus, Choloepus capitalis, Choloepus didactylus, Choloepus hoffmanni
Ecology: ground dwelling herbivore