Miohippus equinanus Osborn 1918 (anchitheriine horse)

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: Miohippus anceps, Miohippus annectens, Miohippus assiniboiensis, Miohippus condoni, Miohippus equiceps, Miohippus gemmarosae, Miohippus gidleyi, Miohippus grandis, Miohippus intermedius, Miohippus longicristis, 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

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Specimen images are retrieved through the ePANDDA API.


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