| Sigou Formation | |
|---|---|
| Stratigraphic range: Late Cretaceous | |
| Type | Geological formation |
| Overlies | Majiacun Formation |
| Location | |
| Region | Henan, Hubei |
| Country |  China |
| Extent | Xixia Basin |
The Sigou Formation is a Late Cretaceous geologic formation in China. Fossil dinosaur eggs have been reported from the formation,[1] including Dictyoolithus.[2]
- ^ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
- ^ Z.-K. Zhao. (1994) "Dinosaur eggs in China:On the structure and evolution of eggshells." In K. Carpenter, K. F. Hirsch, and J. R. Horner (eds.), Dinosaur Eggs and Babies, Cambridge University Press, Cambridge. Cambridge. pp. 184-203.