Mammalia - Perissodactyla - Equidae
Alternative combinations: Hyracotherium major, Pliolophus major
Full reference: O. C. Marsh. 1874. Notice of new equine mammals from the Tertiary formation. American Journal of Science 7(39):247-258
Belongs to Orohippus according to B. J. MacFadden 1998
See also Cope 1875, Froehlich 2002, Granger 1908, Hay 1902, Kitts 1957, Marsh 1874, Stirton 1940 and Stucky 1984
Sister taxa: Orohippus (Aminippus), Orohippus agilis, Orohippus progressus, Orohippus proteros, Orohippus pumilus, Orohippus sylvaticus
Type specimen: YPM 11270, a maxilla (fragment of right maxilla with M2 and M3, and loose M2). Its type locality is Millersville, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
Ecology: ground dwelling browser
Distribution: found only at Millersville
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.