Mammalia - Perissodactyla - Rhinocerotidae

Alternative combinations: Aceratherium platycephalum, Caenopus platycephalus

Full reference: H. F. Osborn and J. L. Wortman. 1894. Fossil mammals of the Lower Miocene White River beds. Collection of 1892. Bulletin of the American Museum of Natural History 6(7):199-228

Belongs to Amphicaenopus according to D. R. Prothero 1998

Sister taxa: none

Type specimen: Its type locality is Indian Stronghold (Protoceras Channel), which is in a Whitneyan fluvial sandstone in the Brule Formation of South Dakota

Ecology: ground dwelling browser