Xiguayuan Formation
Introduction 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''
See also * List of dinosaur-bearing rock formations** List of stratigraphic units with ornithischian tracks*** Ornithopod tracks
References === Bibliography ===*   * *