Stockoceros

Stockoceros
Temporal range: Pleistocene–0.012
↓

[1]

S. onusrosagris skeleton
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Class: Mammalia
Order: Artiodactyla
Family: Antilocapridae
Tribe: †Stockoceratini
Genus: †Stockoceros
Skinner, 1942
Species
  • S. conklingi Stock, 1930
  • S. onusrosagris Roosevelt and Burden, 1934

Stockoceros is an extinct genus of the North American artiodactyl family Antilocapridae,[2] known from Mexico and the southwestern United States.[1] Its horns are each divided near their base into two prongs of roughly equal length.

The genus survived until about 12,000 years ago, and was present when Paleo-Indians reached North America.[3][4]

One of the co-discoverers of S. onusrosagris was Quentin Roosevelt II, grandson of Theodore Roosevelt; he was 14 at the time of the discovery.[5][6]

S. conklingi skull

References

  1. 1 2 "Stockoceros Skinner 1942". Paleobiology Database. Retrieved 2014-09-09.
  2. ↑ Rivals, F.; Semprebon, G. M. (2006). "A comparison of the dietary habits of a large sample of the Pleistocene pronghorn Stockoceros onusrosagris from the Papago Springs Cave in Arizona to the modern Antilocapra americana". Journal of Vertebrate Paleontology. 26 (2): 495. doi:10.1671/0272-4634(2006)26[495:ACOTDH]2.0.CO;2.
  3. ↑ "Stockoceros conklingi Stock 1930". Paleobiology Database. Retrieved 2015-11-21.
  4. ↑ "Stockoceros onusrosagris Roosevelt and Burden 1934". Paleobiology Database. Retrieved 2015-11-23.
  5. ↑ Roosevelt, Q.; Burden, J. W. (1934). "A new species of antilocaprine, Tetrameryx onusrosagris, from a Pleistocene cave deposit in southern Arizona". American Museum Novitates. AMNH. 754: 1–4. Retrieved 2015-11-21.
  6. ↑ "Burden's Pronghorn: an Arizona Story". Prehistoric Pronghorn. International Wildlife Museum. Retrieved 2015-11-21.
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