†Cormohipparion †Notiocradohipparion Cormohipparion is an extinct genus of horse belonging to the tribe Hipparionini that lived in North America during the late Miocene to Pliocene (Hemphillian to Blancan in the NALMA classification).

[2][3] The genus Cormohipparion was coined for the extinct hipparionin horse "Equus" occidentale, described by Joseph Leidy in 1856.

[8] A reappraisal of many horse genera was thus conducted in 1984,[9] and the proposed synonymy was not acknowledged by later literature.

[14] Fossils have been found in the Great Plains and Rio Grande regions of North America, Mexico, Florida and Texas, which shows that they were herding animals.

[15][16][17][18] A species of Cormohipparion closely related to C. occidentale is thought to have crossed the Bering land Bridge over into Eurasia around 11.4-11 million years ago, becoming the ancestor to Old World hipparionines.