ammonites
Anchippus texanus Leidy 1868 (anchitheriine horse)

Mammalia - Perissodactyla - Equidae

Alternative combination: Parahippus texanus

Full reference: J. Leidy. 1868. Notice of some remains of extinct pachyderms. Proceedings of the Academy of Natural Sciences of Philadelphia 20:230-233

Belongs to Anchippus according to L. B. Albright 1999

Sister taxa: Desmatippus avus, Desmatippus crenidens, Desmatippus integer, Anchippus riparius

Ecology: ground dwelling browser

Average measurements (in mm): P4 17.4 x 22.3, M1 16.8 x 21.9, M2 17.6 x 23.4, p4 17.9 x 17.0, m1 14.6 x 11.6, m2 14.8 x 12.5