Parahippus cognatus Leidy 1858 (anchitheriine horse)

Mammalia - Perissodactyla - Equidae

Alternative combination: Anchitherium (Parahippus) cognatus

Full reference: J. Leidy. 1858. Notice of Remains of Extinct Vertebrata, from the Valley of the Niobrara River, Collected during the Exploring Expedition of 1857, in Nebraska, under the Command of Lieut. G. K. Warren, U. S. Top. Eng., by Dr. F. V. Hayden, Geologist to the Expedition. Proceedings of the Academy of Natural Sciences of Philadelphia 10:15-89

Belongs to Parahippus according to B. J. MacFadden 1998

See also Cope 1893, Gidley 1907, Gidley 1908, Hay 1902, Leidy 1858, Leidy 1869, Osborn 1918, Schlaikjer 1937 and Stirton 1940

Sister taxa: none

Type specimen: USNM 567, a set of teeth (Three upper milk molars of the left side, dp2•3, also dp2). Its type locality is Niobrara River (coll. Hayden 1857), which is in a Miocene terrestrial horizon in the Loop Fork Formation of Nebraska.

Ecology: ground dwelling browser


• Miocene of United States (14: Nebraska, South Dakota collections)

Total: 14 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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