Nannippus aztecus Mooser 1968 (hipparionine horse)

Mammalia - Perissodactyla - Equidae

Synonyms: Hipparion minor Sellards 1916, Hipparion minus Sellards 1916, Hipparion venustum Leidy 1853, Hippotherium venustum Leidy 1853, Nannippus minor Sellards 1916, Nannippus venustus Leidy 1853, Neohipparion venustum Leidy 1853

Full reference: O. Mooser. 1968. Fossil Equidae from the Middle Pliocene of the Central Plateau of Mexico. The Southwestern Naturalist 13(1):1-12

Belongs to Nannippus according to R. C. Hulbert 1990

See also Cope 1889, Gidley 1907, Hay 1902, Hulbert and Whitmore 2006, Karrow et al. 1996, Leidy 1853, Leidy 1860, Leidy 1877, Macdonald 1992, MacFadden 1984, MacFadden 1998, MacFadden and Waldrop 1980, Manning and MacFadden 1989, Matthew 1924, Matthew and Stirton 1930, Mooser 1968, Osborn 1918, Sellards 1916 and Stirton 1940

Sister taxa: Nannippus beckensis, Nannippus lenticularis, Nannippus morgani, Nannippus peninsulatus, Nannippus westoni

Type specimens:

  • Nannippus aztecus: FO 873, a maxilla (fragment of right maxillary with P3-M3)
  • Hipparion minus: FGS 5867. Its type locality is American Cyanimid Company, which is in a Tortonian marginal marine sandstone in the Peace River Formation of Florida.
  • Hippotherium venustum: misplaced, a set of teeth (two superior molars).

Ecology: ground dwelling grazer

Distribution:

• Blancan of United States (1: Texas collection)

• Pliocene of United States (1: Mississippi)

• Hemphillian of Mexico (7), United States (19: Alabama, Florida, Louisiana, Oklahoma, Texas)

• Miocene of Greece (1), Mexico (1), Ukraine (2), United States (5: Florida, Oklahoma)

Total: 37 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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