Full reference: G. Martínez, M. T. Dozo, J. N. Gelfo, M. R. Ciancio, and R. González-José. 2020. A new toxodont (Mammalia, Panperissodactyla, Notoungulata) from the Oligocene of Patagonia, Argentina, and systematic considerations on the paraphyletic ‘Notohippidae’. Journal of Systematic Palaeontology 18(24):1995-2013
Parent taxon: Toxodontia according to G. Martínez et al. 2020
Sister taxa: Atryptheridae, Haplodontheriidae, Homalodotheriidae, Isotemnidae, Lithops praevius, Nesotherium, Noaditherium, Notohippidae, Pachyrucidae, Periphragnis, Protoxodontidae, Rhadinotherium limitatum, Tembotheridae, Xotodontidae
Subtaxa: Argyrohippus Eomorphippus Eurygenium Leontiniidae Mendozahippus Moqueguahippus Morphippus Notohippus Pascualihippus Patagonhippus Rosendo Teushentherium Toxodontidae
Ecology: scansorial herbivore
Distribution:
• Quaternary of Argentina (32 collections), Bolivia (6), Brazil (63), Colombia (1), Costa Rica (1), El Salvador (3), Guatemala (6), Honduras (2), Mexico (2), Nicaragua (3), Panama (2), Paraguay (3), Peru (1), United States (1: Texas), Uruguay (6), Venezuela (5)
• Blancan of El Salvador (1)
• Pliocene to Pleistocene of Argentina (2), Uruguay (2), Venezuela (2)
• Pliocene of Argentina (16), Bolivia (6), Colombia (2), Peru (3), Venezuela (2)
• Huayquerian of Argentina (13), Brazil (1)
• Miocene to Pliocene of Argentina (2), Brazil (1), Venezuela (1)
• Miocene of Argentina (68), Bolivia (5), Brazil (5), Chile (9), Colombia (38), Peru (7), Venezuela (7)
• Neogene of Argentina (1)
• Deseadan of Argentina (16), Bolivia (3), Brazil (2), Peru (4), Uruguay (1)
• Oligocene of Argentina (5), Chile (1), Peru (2)
• Tinguirirican of Argentina (3)
• Eocene to Pliocene of Brazil (2)
• Eocene of Argentina (7), Peru (1)
Total: 378 collections including 512 occurrences