Gaogou Formation
The Gaogou Formation is a Late Cretaceous (Cenomanian-Turonian) geologic formation in China. Fossil dinosaur eggs, the caenagnathid Beibeilong, and the titanosaur Baotianmansaurus have been reported from the formation.[1][2]
| Gaogou Formation Stratigraphic range: Cenomanian-Turonian ~99–90 Ma | |
|---|---|
| Type | Geological formation |
| Underlies | Majiacun Formation |
| Overlies | Baiwan Formation |
| Lithology | |
| Primary | Conglomerate |
| Other | Mudstone |
| Location | |
| Coordinates | 33.4°N 112.9°E |
| Approximate paleocoordinates | 32.7°N 104.7°E |
| Region | Henan Province |
| Country |  China |
| Extent | Xixia Basin |
  Gaogou Formation (China)  Gaogou Formation (Henan) | |
Fossil content
Among others, the following fossils were reported from the formation:
- Dinosaurs
- Turtles
- Yuchelys nanyangensis
- Eggs
See also
- List of dinosaur-bearing rock formations
- Cenomanian-Turonian extinction event
References
- Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
- Hanyong Pu; Darla K. Zelenitsky; Junchang Lü; Philip J. Currie; Kenneth Carpenter; Li Xu; Eva B. Koppelhus; Songhai Jia; Le Xiao; Huali Chuang; Tianran Li; Martin Kundrát; Caizhi Shen (2017). "Perinate and eggs of a giant caenagnathid dinosaur from the Late Cretaceous of central China". Nature Communications. 8: Article number 14952. doi:10.1038/ncomms14952.
Bibliography
- Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2
Further reading
- H. Tong, L. Xu, É. Buffetaut, X. Zhang, and S. Jia. 2012. A new nanhsiungchelyid turtle from the Late Cretaceous of Neixiang, Henan Province, China. Annales de Paléontologie 98(4):303-314
- S.-q. Zhou and Z.-j. Feng. 2002. [Studies on the occurrence beds of Oölithus and their relations to the upper-lower boundarues in Henan province]. Resources Survey & Environment 23(1):68-76
- Z.-K. Zhao. 1994. In K. Carpenter, K. F. Hirsch, and J. R. Horner (eds.), Dinosaur Eggs and Babies, Cambridge University Press, Cambridge. In K. Carpenter, K. F. Hirsch, and J. R. Horner (eds.), Dinosaur Eggs and Babies, Cambridge University Press, Cambridge 184-203
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