Merychippus calamarius Cope 1875 (horse)

Mammalia - Perissodactyla - Equidae

Alternative combinations: Hipparion calamarium, Hipparion calamarius, Hippotherium calamarium, Merychippus (Merychippus) calamarius, Neohipparion calamarius, Stylonus calamarius

Full reference: E. D. Cope. 1875. Abstract of remarks made before a meeting of the Academy of Natural Sciences of Philadelphia, June 8th and 15th, 1875. Proceedings of the Academy of Natural Sciences of Philadelphia (separate) 1-8

Belongs to Merychippus according to B. J. MacFadden 1998

See also Cope 1875, Cope 1875, Cope 1889, Gidley 1907, Hay 1902, Kelly 1995, Kelly and Lander 1988, Matthew 1904, Merriam 1919, Osborn 1918 and Stirton 1940

Sister taxa: Merychippus (Merychippus), Merychippus (Protohippus), Merychippus brevidontus, Merychippus californicus, Merychippus coloradense, Merychippus eohipparion, Merychippus eoplacidus, Merychippus gunteri, Merychippus insignis, Merychippus labrosus, Merychippus missouriensis, Merychippus patruus, Merychippus primus, Merychippus proparvulus, Merychippus quartus, Merychippus quintus, Merychippus relictus, Merychippus republicanus, Merychippus sejunctus, Merychippus seversus, Merychippus stevensi

Type specimen: USNM 2572, a partial skull (This three-toed horse is indicated by the oral and palatine parts of the skull with the superior dental series of both sides, together with one mandibular ramus)

Ecology: ground dwelling grazer-browser


• Miocene of United States (3: Nebraska, Nevada, New Mexico collections)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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