Diceratherium

Diceratherium is an extinct genus of rhinoceros endemic to North America, Europe, and Asia during the Oligocene through Miocene living from 33.9—11.6 mya, existing for approximately 22.3 million years. Mass estimates for the type species, D. armatum average around 1 t (2,200 lb) Diceratherium was named by Marsh (1875). It is not extant. Its type is Diceratherium armatum. It was assigned to Rhinocerotidae by Marsh (1875) and Carroll (1988); to Diceratheriinae by Prothero (1998); to Aceratheriinae by Weidmann and Ginsburg (1999); and to Teleoceratini by Sach and Heizmann (2001). Diceratherium had two horns side-by-side on its nose. It lived during the Miocene Epoch.