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 Barstovian/Clarendonian terrestrial horizon in the Loup Fork Formation of Nebraska.
Distribution:
• Miocene of United States (14: Nebraska, South Dakota collections)
Total: 14 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.