Equus (Dolichohippus) simplicidens Cope 1892 (horse)

Mammalia - Perissodactyla - Equidae

Alternative combinations: Equus (Plesippus) simplicidens, Equus simplicidens, Hippotigris simplicidens, Plesippus simplicidens, Pliohippus simplicidens

Synonyms: Amerhippus occidentalis Leidy 1865, Asinus cumminsii Cope 1893, Asinus pons Quinn 1958, Equus (Hemionus) tau Owen 1869, Equus achates Hay and Cook 1930, Equus cumminsi Cope 1893, Equus cumminsii Cope 1893, Equus littoralis Hay 1913, Equus occidentalis Leidy 1865, Equus pons Quinn 1958, Equus shoshonensis Gidley 1930, Equus tau Owen 1869, Hippotigris shoshonensis Gidley 1930, Merychippus cumminsii Cope 1893, Onager littoralis Hay 1913, Plesippus cumminsii Cope 1893, Plesippus shoshonensis Gidley 1930, Pliohippus cumminsii Cope 1893, Protohippus cumminsii Cope 1893

Full reference: E. D. Cope. 1892. A contribution to the vertebrate paleontology of Texas. Proceedings of the American Philosophical Society 30(137):123-131

Belongs to Equus (Dolichohippus) according to B. J. MacFadden 1998

See also Cope 1892, Cope 1893, Dalquest 1979, Dalquest and Hughes 1965, Downs and Miller 1994, Forsten and Eisenmann 1995, Frick 1921, Gazin 1936, Gidley 1901, Gidley 1903, Gidley 1907, Gidley 1930, Harris 1993, Hay 1913, Hibbard 1955, Hibbard and Riggs 1949, Hibbard and Taylor 1960, Hulbert 1995, Kelly 1994, Kelly 1995, Kelly 1997, Kelly 1998, Kurten and Anderson 1980, Macdonald 1992, Matthew 1909, Matthew 1924, Matthew and Stirton 1930, McDonald 1996, McGrew 1944, Meade 1945, Merriam 1917, Miller 1971, Miller 1976, Osborn 1918, Quinn 1955, Quinn 1957, Quinn 1958, Repenning et al. 1995, Savage 1951, Schultz 1936, Schultz 1990, Schultz and Howard 1935, Skinner and Hibbard 1972, Stirton 1940, Strain 1966 and Winans 1989

Sister taxa: Equus (Dolichohippus) enormis, Equus (Dolichohippus) grevyi

Type specimens:

  • Equus (Dolichohippus) simplicidens: TMM 40282-6, a tooth (left M1)
  • Asinus cumminsii:
  • Equus achates: DMNS 1085, a tooth (isolated upper M2).
  • Equus littoralis:
  • Equus occidentalis:
  • Equus pons: U.A. no. 9, a maxilla. Its type locality is Comosi Wash, which is in a Blancan terrestrial horizon in Arizona.
  • Equus shoshonensis: USNM 11986, a partial skeleton. Its type locality is Hagerman (Gidley Horse Quarry), which is in a Blancan terrestrial horizon in the Glenns Ferry Formation of Idaho.
  • Equus tau:

Ecology: ground dwelling grazer

Distribution:

• Quaternary of Mexico (1 collection), United States (6: California, Texas)

• Blancan of Mexico (7), United States (62: Arizona, California, Colorado, Kansas, Nebraska, Nevada, New Mexico, Texas, Washington)

• Pliocene of United States (1: Texas)

Total: 77 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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