 | This article may be confusing or unclear to readers. (January 2024) |
| American mountain deer Temporal range: Late Pleistocene
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| Mounted skeleton | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Family: | Cervidae |
| Subfamily: | Capreolinae |
| Genus: | Odocoileus |
| Species: | †O. lucasi
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| Binomial name | |
| †Odocoileus lucasi (Hay, 1927)
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Odocoileus lucasi (historically Navahoceros fricki), known commonly as the American mountain deer, is an extinct species of North American deer.