Mammalia - Perissodactyla - Rhinocerotidae
Parent taxon: Rhinocerotidae according to D. R. Prothero 1998
See also Hay 1902, Prothero 2005 and Prothero and Schoch 1989
Sister taxa: Aceratheriinae, Aceratheriini, Amphicaenopus, Anchisodon tubifer, Atelodus, Dicerorhininae, Forstercooperia crudus, Gigantamynodon akespensis, Gulfoceras, Huangotherium, Iranotheriinae, Menoceratinae, Penetrigonias, Rhinoceros crassus, Rhinoceros oregonensis, Rhinocerotinae, Subhyracodon, Teleoceratinae, Teletaceras, Trigonias, Uintaceras, Woodoceras, Zalabis
Subtaxa: Diceratherium Skinneroceras
Type: Diceratherium
Ecology: ground dwelling browser
Distribution:
• Miocene of Canada (1: Saskatchewan collection), China (3), France (2), Portugal (3), Switzerland (1), United States (10: Arizona, Idaho, Nebraska, New Jersey, New Mexico, Texas)
• Harrisonian of United States (15: Nebraska, South Dakota, Wyoming)
• Arikareean of United States (24: California, Montana, Nebraska, Nevada, North Dakota, Oregon, South Dakota, Wyoming)
• Oligocene to Miocene of United States (1: Washington)
• Oligocene of Canada (3: Saskatchewan), United States (26: Arizona, Colorado, Florida, Nebraska, North Dakota, Oregon, South Dakota, Washington, Wyoming)
Total: 89 collections including 104 occurrences