Heteromeryx is an extinct genus of artiodactyl, of the family Protoceratidae, endemic to North America. They lived during the Late Eocene 37.2âÂÂ33.9 Ma, existing for approximately . They resembled deer, but were more closely related to camelids.
Its name comes from hetero (á¼ÂÃÂõÃÂÿÃÂ) "different' and meryx "ruminant".
Fossils have been recovered from: