Toromeryx
| Toromeryx Temporal range:
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Family: | †Protoceratidae |
| Genus: | †Toromeryx Wilson (1974) |
| Species | |
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| Range of Toromeryx based on fossil record | |
Toromeryx is a medium-sized extinct genus of Artiodactyla, of the family Protoceratidae, endemic to southwestern North America from the Eocene epoch (Late Uintan stage) 46.2—42 Ma, existing for approximately 4.2 million years.[1]
Taxonomy
Toromeryx was named by Wilson (1974). Its type is Toromeryx marginensis. It was assigned to Protoceratidae by Wilson (1974), Carroll (1988), Prothero (1998) and Prothero and Ludtke (2007).[2][3][4]
Morphology
Toromeryx resembled deer. However they were more closely related to camelids. In addition to having horns in the more usual place, protoceratids had additional, rostral horns above the orbital cavity. Toromeryx was smaller than Miocene members of Tylopoda: Paratoceras, Protoceras, and Pseudoprotoceras.
Fossil distribution
Fossils have been recovered from:
- Candelaria TMM 31281 Colmena Tuff Formation, Presidio County, Texas
- Casa Blanca Site, Laredo Formation, Webb County, Texas
References
- ^ PaleoBiology Database: Toromeryx, basic info
- ^ J. A. Wilson. 1974. Texas Memorial Museum Bulletin 23
- ^ R. L. Carroll. 1988. Vertebrate Paleontology and Evolution. W. H. Freeman and Company, New York 1-698
- ^ D. R. Prothero and J. A. Ludtke. 2007. Family Protoceratidae. in D. R. Prothero and S. Foss (eds.), The Evolution of Artiodactyls 169-176
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