Equus pacificus Leidy, 1868

Pacific horse



Taxonomy & Nomenclature

Considered a synonym of E. mexicanus by (Alberdi et al., 2014).


Conservation Status


Last record: Late Pleistocene?



Canada & USA


Biology & Ecology










Original scientific description:

J. Leidy. 1868. Notice of Some Remains of Horses. Proceedings of the Academy of Natural Sciences of Philadelphia 20:195


Other references:

Alberdi, María Teresa, Arroyo-Cabrales, Joaquín, Marín-Leyva, Alejandro H. and Polaco, Oscar J. (2014). Study of Cedral Horses and their place in the Mexican Quaternary. Revista Mexicana de Ciencias Geológicas 31(2): 221-237.

Lundelius, Ernest L., Jr. (2022). Pleistocene vertebrates from Stonewall County, Texas. In: Morgan, Gary S. et al. Late Cenozoic Vertebrates from the American Southwest: A Tribute to Arthur H. Harris. New Mexico Museum of Natural History and Science Bulletin 88: 233-257.


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