Equus niobrarensis Temporal range: Late Pleistocene
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Order: | Perissodactyla |
Family: | Equidae |
Genus: | Equus |
Subgenus: | incertae sedis |
Species: | †E. niobrarensis
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Binomial name | |
†Equus niobrarensis | |
Subspecies | |
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Synonyms[4] | |
Equus niobrarensis (or commonly, Niobrara horse)[5] is an extinct species of Equus, the genus that includes the horse. E. niobrarensis may be synonymous with Equus scotti.[4] It was "stout-legged" and belonged to the "big horses" category as defined by M. C. Winans.[4] The skull of the horse was noted as being broader than Equus caballus.[6]
E. niobrarensis was native to North America and commonly found in western North America and dates to the late Pleistocene.[7] Fossils of E. niobrarensis were discovered at Dry Cave in New Mexico.[8] Another mention of an E. niobrarensis discovery was in Skeleton Cave, Oregon.[9][10]