Mammalia - Perissodactyla - Equidae

Alternative combination: Merychippus vetus

Belongs to Protohippus according to Hulbert 1988

Sister taxa: Protohippus gidleyi, Protohippus perditus, Protohippus supremus

Ecology: ground dwelling grazer-browser

Average measurements (in mm): m1 16.5 x 11.6