Sigou Formation
| 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, including Dictyoolithus.