Leptoreodon is an extinct genus of small artiodactyl, of the family Protoceratidae, endemic to North America. It lived during the Late Eocene 40.4—37.2 Ma, existing for approximately .Leptoreodon at fossilworks Leptoreodon resembled deer, but were more closely related to camelids.
Fossil distribution Fossils have been recovered from: Devil's Graveyard Formation, Brewster County, Texas Webb County, Texas Swift Current Creek, Cypress Hills Formation, Saskatchewan
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