Mammalia - Perissodactyla - Palaeotheriidae

Alternative combination: Eohippus pernix

Belongs to Hyracotherium according to P. D. Gingerich 1991

Sister taxa: Hyracotherium cristatum, Hyracotherium major, Hyracotherium montanum, Hyracotherium seekinsi, Hyracotherium vasacciense

Type specimen: Its type locality is Bitter Creek, which is in a Wasatchian terrestrial horizon in the Wasatch Formation of Wyoming

Ecology: ground dwelling frugivore-folivore