| Protorohippus Temporal range: Eocene (Wasatchian) | |
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| Fossil from the Green River Formation | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Perissodactyla |
| Family: | Equidae |
| Genus: | †Protorohippus Wortman, 1896 |
| Type species | |
| Protorohippus venticolum (Cope, 1881) | |
| Species | |
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| Synonyms | |
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Protorohippus (Latin: "before" (pro), + Greek: "mountain" (oros), "horse" (hippos)) is an extinct species of equid that lived in the Eocene of North America.
See also
References
- "Glossary. American Museum of Natural History". Archived from the original on 20 November 2021.
- Froehlich, D. J. (2002). "Quo vadis eohippus? The systematics and taxonomy of the early Eocene equids (Perissodactyla)". Zoological Journal of the Linnean Society. 134 (2): 141–256. doi:10.1046/j.1096-3642.2002.00005.x.
| Extinct genera of Equidae (Horse family), arranged by subfamily | |||||||||
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| Basal forms | |||||||||
| Anchitheriinae | |||||||||
| Equinae |
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| Taxon identifiers | |
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| Protorohippus | |
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