Diceratherium

Diceratherium (meaning "two horned beast") is an extinct genus of rhinocerotid native to North America during the Oligocene through Miocene living from 33.9 to 11.6 mya, existing for approximately . Mass estimates for the type species, D. armatum average around

==Taxonomy== thumb|left|Restoration of D. tridactylum thumb|left|Skull, University of California Museum of Paleontology Diceratherium was named by Marsh (1875) based on the type species 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).