Holtz, Thomas R. Jr. (2011) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages,Winter 2010 Appendix. 20 Temmuz 2011 tarihinde Wayback Machine sitesinde arşivlendi.
web.archive.org
Holtz, Thomas R. Jr. (2011) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages,Winter 2010 Appendix. 20 Temmuz 2011 tarihinde Wayback Machine sitesinde arşivlendi.
"Cleveland-Lloyd Dinosaur Quarry – age, stratigraphy and depositional environments". The Morrison Formation: An Interdisciplinary Study. Modern Geology 22. Taylor and Francis Group. 1998. ss. 87-120. ISSN0026-7775.