Xu X., Forster, C.A., Clark, J.M., & Mo J. (2006). "A basal ceratopsian with transitional features from the Late Jurassic of northwestern China." Proceedings of the Royal Society B: Biological Sciences. doi:10.1098/rspb.2006.3566.
google.ca
books.google.ca
Weishampel et al. (2004) "Dinosaur Distribution." In: Weishampel, D.B., Dodson, P., & Osmolska, H. (Eds.). The Dinosauria (2nd Edition). Berkeley: University of California Press. Pp. 517–606 Full text.
paleoglot.org
Zhao Xijin, 1985. "The Jurassic Reptilia". In: Wang Si-en, Cheng Zhengqu and Wang Neiwen (eds.). The Jurassic System of China. Stratigraphy of China. Pp. 11, 286–289, 347, plates 10 and 11. http://paleoglot.org/files/Zhao%2085.pdf Full text.
umd.edu
geol.umd.edu
Holtz, Thomas R. Jr. (2011) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages, Winter 2010 Appendix.
wiley.com
onlinelibrary.wiley.com
Zhao, X., Cheng, Z., Xu., X., and Makovicky, P. J. 2006. "A new ceratopsian from the Upper Jurassic Houcheng Formation of Hebei, China." Acta Geologica Sinica, 80 (4): 467–473 Full text.
