Alternative combination: Epihippus intermedius
Full reference: O. A. Peterson. 1931. New species from the Oligocene of the Uinta. Annals of Carnegie Museum 21(2):61-78
Type specimen: CMNH 11845, a mandible. Its type locality is Halfway Hollow (Dry Gulch Creek Member), which is in an Uintan terrestrial horizon in the Duchesne River Formation of Utah.
Ecology: ground dwelling browser
Average measurements (in mm): P4 8.90 x 10.60, M1 10.1 x 13.4, M2 11.2 x 12.9, p4 8.70 x 6.40, m1 9.20 x 6.64, m2 9.50 x 6.70