''Pseudhipparion'' is an extinct

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of three-toed

horse The horse (''Equus ferus caballus'') is a domesticated, one-toed, hoofed mammal. It belongs to the taxonomic family Equidae and is one of two extant subspecies of ''Equus ferus''. The horse has evolved over the past 45 to 55 million yea ...

endemic to North America during the

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. They were herding animals whose diet consisted of C3 plants. Fossils found in

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and

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...

indicate that it was a lightweight horse, weighing up to 90 pounds (40 kilograms). In 2005, fossils were unearthed in Oklahoma. Seven species of ''Pseudhipparion'' are known from the fossil record which were very small, following the trend of Bergmann's rule.

References

{{Taxonbar, from=Q16947144 Miocene horses Miocene odd-toed ungulates Prehistoric placental genera Miocene mammals of North America Barstovian Clarendonian Hemphillian Fossil taxa described in 1904 Taxa named by Florentino Ameghino