Zhaoying Formation

The Zhaoying Formation is a Coniacian geologic formation in Henan Province, China. Fossil dinosaur eggs of Ovaloolithus sp. have been reported from the formation.

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with dinosaur trace fossils
    • Dinosaur eggs

• Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, retrieved 2019-02-21{{citation}}: CS1 maint: publisher location (link)

• Y. Li, Y. Liu, X. Chen and G. Zhao. 1996. Dinosaurian Embryo II: Young Dinosaur-bones in Ovaloolithus. Earth Science - Journal of China University of Geosciences 21(6):608-610