Xiguayuan Formation

The Xiguayuan Formation is an Early Cretaceous (Barremian) geologic formation in Hebei Province of China. Fossil ornithopod tracks have been reported from the formation. It was deposited in a shallow lacustrine setting and is noted for its hyperpycnite facies.

Fossil content
The formation has provided the following fossils:
 * Ichnofossils
 * Iguanodontia indet.
 * Theropoda indet.
 * Insects
 * Gurvanomyia rohdendorfi
 * Huaxiaplecia zhongguanensis
 * Longhuaia orientalis
 * Bivalves
 * Weichangella caelata