Protohippus Leidy 1858 (horse)

Mammalia - Perissodactyla - Equidae

Synonym: Eoequus Quinn 1955

Full reference: J. Leidy. 1858. Notice of Remains of Extinct Vertebrata, from the Valley of the Niobrara River, Collected during the Exploring Expedition of 1857, in Nebraska, under the Command of Lieut. G. K. Warren, U. S. Top. Eng., by Dr. F. V. Hayden, Geologist to the Expedition. Proceedings of the Academy of Natural Sciences of Philadelphia 10:15-89

Parent taxon: Equini according to B. J. MacFadden 1998

See also Forsten 1975, Hulbert 1988 and Quinn 1955

Sister taxa: Astrohippus, Boreohippidion, Calippus, Dinohippus, Equus, Haringtonhippus, Heteropliohippus, Hippidion, Parapliohippus, Pliohippina, Pliohippus, Protohippina

Subtaxa: none

Type: Equus (Protohippus) perditus

Ecology: ground dwelling grazer-browser

Distribution:

• Hemphillian of Costa Rica (1 collection), United States (12: Alabama, Florida, Kansas, Nebraska, Texas)

• Miocene of United States (82: California, Colorado, Florida, Kansas, Montana, Nebraska, New Mexico, South Dakota, Texas, Wyoming)

Total: 95 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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