Mesohippus bairdi Leidy 1850

Mammalia - Perissodactyla - Equidae

Alternative combinations: Anchitherium bairdii, Kalobatippus bairdii, Mesohippus bairdii, Miohippus bairdi, Miohippus bairdii, Palaeotherium bairdii

Synonyms: Mesohippus hypostylus Osborn 1904, Mesohippus portentus Douglass 1908, Mesohippus protentus Douglass 1908, Mesohippus proteulophus Osborn 1904, Mesohippus viejensis Clark and Beerbower 1967, Pediohippus portentus Douglass 1908

Full reference: J. Leidy. 1850. [Abstract of remarks made before a meeting of the Academy of Natural Sciences of Philadelphia, December 17th, 1850]. Proceedings of the Academy of Natural Sciences of Philadelphia 5(1):121-122

Belongs to Mesohippus according to B. J. MacFadden 1998

See also Clark and Beerbower 1967, Cope 1873, Douglass 1908, Forsten 1970, Hay 1902, Leidy 1850, Leidy 1853, Leidy 1857, Macdonald 1951, Macdonald 1992, Marsh 1875, Osborn 1904, Osborn 1918, Osborn and Wortman 1894, Osborn and Wortman 1895, Prothero and Shubin 1989, Schlaikjer 1935, Scott 1941, Simpson 1985, Stirton 1940 and Tabrum and Nichols 2001

Sister taxa: Mesohippus barbouri, Mesohippus celer, Mesohippus cuneatus, Mesohippus exoletus, Mesohippus latidens, Mesohippus propinquus, Mesohippus texanus, Mesohippus westoni

Distribution:

• Oligocene of Canada (2: Saskatchewan collections), United States (20: Montana, Nebraska, North Dakota, Oregon, South Dakota, Wyoming)

• Eocene of Canada (1: Saskatchewan), United States (16: Colorado, Montana, Nebraska, South Dakota, Wyoming)

Total: 39 collections each including a single occurrence

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