Mammalia - Perissodactyla - Equidae
Alternative combination: Archaeohippus equinanus
Full reference: H. F. Osborn. 1918. Equidae of the Oligocene, Miocene, and Pliocene of North America, iconographic type revision. Memoirs of the American Museum of Natural History 2(1):1-217
Belongs to Miohippus according to B. J. MacFadden 1998
See also Osborn 1918, Skinner et al. 1968, Stirton 1940 and Strganac 2011
Sister taxa: Anchitherium longicristis, Miohippus anceps, Miohippus annectens, Miohippus assiniboiensis, Miohippus condoni, Miohippus equiceps, Miohippus gemmarosae, Miohippus gidleyi, Miohippus grandis, Miohippus intermedius, Miohippus obliquidens, Miohippus primus, Miohippus quartus, Miohippus taxus
Type specimen: AMNH 12912, a partial skull (Upper jaws containing pLm3 of left side, p1- 3 of right side). Its type locality is AMNH Rosebud 1, which is in an Arikareean terrestrial horizon in South Dakota.
Ecology: ground dwelling browser
Distribution:
• Harrisonian of United States (1: South Dakota collection)
• Arikareean of United States (3: South Dakota)
• Oligocene of United States (6: South Dakota, Washington)
Total: 10 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.