Jiaguan Formation
Introduction The '''Jiaguan Formation''' is a Lower Cretaceous geologic formation in China. Its lithology is described as consisting of "alternating thick purple red sandstone layers and thin purple red mudstone and siltstone layers, and bottom layers of thick conglomerate" Fossil ornithopod tracks have been reported from the formation.The known fossil localities include the Lotus Fortress, the type locality of ''Caririchnium lotus'' and ''Wupus agilis'' ichnotaxa.
See also * List of dinosaur-bearing rock formations** List of stratigraphic units with ornithischian tracks*** Ornithopod tracks
Footnotes
References * Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds. ): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. .