Mammalia - Megatherioidea - Megatheriidae
Synonym: Xenocninae Paula Couto 1980
Parent taxon: Megatheriidae according to L. Varela et al. 2019
See also Amson et al. 2017, Cartelle et al. 2008, De Iuliis and Cartelle 1999, Gaudin 1995, Hay 1930, MacFadden et al. 1993, Paula Couto 1956, Pujos 2006 and Zurita et al. 2004
Sister taxa: none
Subtaxa: Anisodontherium Diabolotherium Eremotherium Megathericulus Megatheridium Megatheriops Megatherium Plesiomegatherium Pliomegatherium Proeremotherium Pyramiodontherium Sibotherium Urumaquia
Type: Megatherium
Ecology: ground dwelling herbivore
Distribution:
• Quaternary of Argentina (32 collections), Bolivia (9), Brazil (43), Chile (4), Colombia (1), Costa Rica (1), Ecuador (6), El Salvador (3), Guatemala (8), Honduras (3), Mexico (31), Nicaragua (3), Panama (4), Paraguay (1), Peru (27), United States (28: Florida, Georgia, South Carolina, Texas, Virginia), Uruguay (4), Venezuela (4)
• Blancan of El Salvador (1), United States (4: Florida)
• Pliocene to Pleistocene of Argentina (1), Costa Rica (1), Uruguay (1), Venezuela (2)
• Pliocene of Argentina (7), Bolivia (6), Colombia (1), Peru (1), Venezuela (1)
• Huayquerian of Argentina (8)
• Hemphillian of Costa Rica (1)
• Miocene to Pliocene of Argentina (3), Venezuela (2)
• Miocene to Pleistocene of Argentina (1)
• Miocene of Argentina (8), Bolivia (4), Chile (1), Colombia (6), Peru (2), Venezuela (2)
Total: 276 collections including 303 occurrences