| Tetrameryx Temporal range: 1.8–0.012 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
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| Depiction of T. shuleri based on modern pronghorns | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Family: | Antilocapridae |
| Genus: | †Tetrameryx Lull, 1921 |
| Species | |
Tetrameryx is an extinct genus of the North American artiodactyl family Antilocapridae, known from Mexico, the western United States, and Saskatchewan in Canada.
Taxonomy
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The name means "four ruminant", referring to the division of each horn near its base into two prongs; in T. shuleri, the rear prong is much longer. 5 species are known.
Description
One member of the genus, T. shuleri, survived until about 12,000 years ago, and was present when Paleo-Indians reached North America. Although approximately the same size as the living pronghorn, the limb bones are somewhat more robust, suggesting that its running speed was slower than living pronghorn.
References
- ^ "Tetrameryx Lull 1921". Paleobiology Database. Retrieved 2015-11-21.
- Dalquest, W. W. (1974-03-30). "A New Species of Four-Horned Antilocaprid from Mexico". Journal of Mammalogy. 55 (1): 96–101. doi:10.2307/1379259. JSTOR 1379259.
- "Stockoceros and Tetrameryx: the Four-Horned Pronghorns". Prehistoric Pronghorn. International Wildlife Museum. Archived from the original on 2016-06-29. Retrieved 2015-11-21.
- "Tetrameryx shuleri Lull 1921". Paleobiology Database. Retrieved 2015-11-21.
- "Tule Springs Pronghorn (U.S. National Park Service)". www.nps.gov. Retrieved 2022-06-27.
| Taxon identifiers | |
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| Tetrameryx | |
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