Orohippus Marsh 1872 (horse)

Mammalia - Perissodactyla - Equidae

Synonyms: Helohippus Marsh 1892, Helotherium Cope 1872, Oligotomus Cope 1873, Orotherium Marsh 1872

Full reference: O. C. Marsh. 1872. Preliminary description of new Tertiary mammals. Part II. American Journal of Science 4(21):202-224

Parent taxon: Equidae according to D. J. Froehlich 2002

See also Carroll 1988, Gazin 1976, Granger 1908, Kitts 1957, MacFadden 1998, Marsh 1872, Osborn 1929, Prothero and Schoch 1989 and Stirton 1940

Sister taxa: Anchitheriinae, Duchesnehippus, Eohippus, Epihippus, Equinae, Gobihippus, Hipphaplus, Hyracotheriinae, Lophiopus, Minippus, Plesiohipparion, Pliolophus, Protohippinae, Protorohippus, Sifrhippus, Sivalhippus, Xenicohippus

Subtaxa: Orohippus (Aminippus) Orohippus agilis Orohippus major Orohippus progressus Orohippus proteros Orohippus pumilus Orohippus sylvaticus

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Type: Lophiodon pumilus

Ecology: ground dwelling browser

Distribution:

• Eocene of United States (66: Colorado, Wyoming collections)

Total: 66 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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