''Equus semplicatus'', was a

Pleistocene The Pleistocene ( , often referred to as the ''Ice age'') is the geological epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was finally confirmed in ...

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

of New World stilt-legged horse, and considered the type species for the stilt legged horses, one of three lineages of equids within the

Americas The Americas, which are sometimes collectively called America, are a landmass comprising the totality of North and South America. The Americas make up most of the land in Earth's Western Hemisphere and comprise the New World. Along with th ...

, the other two being

hippidion ''Hippidion'' (meaning ''little horse'') is an extinct genus of equine that lived in South America from the Late Pliocene to the end of the Late Pleistocene ( Lujanian), between two million and 11,000 years ago. They were one of two lineages of e ...

id and caballine horses. Now extinct, ''Equus semiplicatus'' once inhabited North America. Fossils found William's Cave in

Texas Texas (, ; Spanish: ''Texas'', ''Tejas'') is a state in the South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by ...

have been identified as ''Equus semiplicatus.''

References

{{Taxonbar, from=Q25028421 Pleistocene horses Neogene mammals of North America Pleistocene species extinctions Equus (genus) Extinct animals of the United States Quaternary mammals of North America Prehistoric mammals of North America Fossil taxa described in 1893

See also

References