†Brontops brachycephalus Osborn 1902 (brontothere)
Mammalia - Perissodactyla - Brontotheriidae
Alternative combination: Megacerops brachycephalus
Full reference: H. F. Osborn. 1902. The four phyla of Oligocene titanotheres. Bulletin of the American Museum of Natural History 16(8):91-109
Belongs to Brontops according to B. J. Mader 1998
Sister taxa: Brontops amplus, Brontops bicornutus, Brontops dispar, Brontops robustus, Brontops selwynianus, Brontops tyleri
Type specimen: Its type locality is Quinn Draw (Lower Titanotherium Beds), which is in a Chadronian terrestrial horizon in the Chadron Formation of South Dakota
Ecology: ground dwelling browser
Average measurements (in mm): M1 50.0 x 50.1, M2 66.2 x 60.9, M3 66.5 x 62.7