Irdin Manha Formation

The Irdin Manha Formation is a geological formation from the Eocene located in Inner Mongolia, China, a few kilometres south of the Mongolian border (43°42′N 112°00′E / 43.7°N 112.0°E / 43.7; 112.0, paleocoordinates 45°12′N 105°42′E / 45.2°N 105.7°E / 45.2; 105.7).[1]

U.S. paleontologists Henry Fairfield Osborn and Roy C. Andrews discovered two premolars on the site in 1923, and Osborn 1924 assigned the specimen to the new genus Eudinoceras because he believed it to be related to "Dinoceras" (now known as Uintatherium). Within a decade, however, as more complete specimens were recovered, the animal was identified as a Mongolian relative to the North American pantodont Coryphodon.[2]

See also

Notes

  1. ↑ Irdin Manha Beds (1930 AMNH Eudinoceras site) (Eocene of China) in the Paleobiology Database. Retrieved July 2013.
  2. ↑ Osborn & Granger 1932

References

  • Osborn, H. F. (1924). "Eudinoceras, Upper Eocene amblypod of Mongolia". American Museum Novitates. 145. Retrieved July 2013. Check date values in: |accessdate= (help)
  • Osborn, H. F.; Granger, Walter (1932). "Coryphodonts and Uintatheres from the Mongolian Expedition of 1930" (PDF). American Museum Novitates. 552. Retrieved July 2013. Check date values in: |accessdate= (help)
  • Vickers-Rich, Patricia; Rich, Thomas Hewett (1993). Wildlife of Gondwana. Reed. ISBN 0-7301-0315-3.


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