Mammalia - Perissodactyla - Equidae
Alternative combinations: Merychippus (Protohippus) sejunctus, Pliohippus sejunctus, Protohippus sejunctus, Stylonus sejunctus
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 B. J. MacFadden 1998
See also Bravo-Cuevas and FerrusquÃa-Villafranca 2006, Cope 1874, Cope 1893, Cope and Matthew 1915, Gidley 1907, Hay 1902, Kelly 1995, Kelly and Lander 1988, Matthew 1909, Matthew 1924, Osborn 1904, Osborn 1918, Quinn 1987, Stirton 1933 and Stirton 1940
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 labrosus, Merychippus missouriensis, Merychippus patruus, Merychippus primus, Merychippus proparvulus, Merychippus quartus, Merychippus quintus, Merychippus relictus, Merychippus republicanus, Merychippus seversus, Merychippus stevensi
Type specimen: AMNH 8291, a partial skeleton (Complete skull and lower jaws with entire dentition and parts of the skeleton associated, including the hind feet)
Distribution:
• Miocene of Mexico (1 collection), United States (5: Colorado, Montana, Texas)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.