Mammalia - Perissodactyla - Equidae
Alternative combination: Protohippus labrosus
Full reference: E. D. Cope. 1874. Report on the stratigraphy and Pliocene vertebrate paleontology of northern Colorado. Bulletin of the United States Geological and Geographical Survey of the Territories 1(1):9-22
Belongs to Merychippus according to H. F. Osborn 1918
See also Cope 1874, Cope 1893, Galbreath 1953, Gidley 1907, Hay 1902 and Macdonald 1992
Sister taxa: Merychippus (Merychippus), Merychippus (Protohippus), Merychippus brevidontus, Merychippus calamarius, Merychippus californicus, Merychippus coloradense, Merychippus eohipparion, Merychippus eoplacidus, Merychippus gunteri, Merychippus insignis, Merychippus isonesus secundus, Merychippus missouriensis, Merychippus patruus, Merychippus primus, Merychippus proparvulus, Merychippus quartus, Merychippus quintus, Merychippus relictus, Merychippus republicanus, Merychippus sejunctus, Merychippus seversus, Merychippus stevensi
Type specimen: AMNH 8266, a mandible (a composite of two jaw fragments, the symphysis and the (right) ramus belonging certainly to different indi- viduals and probably to distinct species. The symph).
Ecology: ground dwelling grazer-browser
Distribution: found only at Pawnee Buttes (Upper Beds) (Miocene of Colorado)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.