^Holtz, Thomas R. Jr. (2012) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages,Winter 2011 Appendix. 12 Ağustos 2017 tarihinde Wayback Machine sitesinde arşivlendi.
^Paul, G. S. (2010). The Princeton Field Guide to Dinosaurs. Princeton University Press. s. 138.