Mathews, Joshua C.; Brusatte, Stephen L.; Williams, Scott A.; Henderson, Michael D. (2009). “The first Triceratops bonebed and its implications for gregarious behavior”. Journal of Vertebrate Paleontology29 (1): 286–290. doi:10.1080/02724634.2009.10010382.
Erickson, Gregory M.; Olson, Kenneth H. (1996-03-19). “Bite marks attributable to Tyrannosaurus rex: Preliminary description and implications”. Journal of Vertebrate Paleontology16 (1): 175–178. doi:10.1080/02724634.1996.10011297. ISSN0272-4634.
Horner, JR; Lamm, E (2011). “Ontogeny of the parietal frill of Triceratops: a preliminary histological analysis”. Comptes Rendus Palevol10 (5–6): 439–452. doi:10.1016/j.crpv.2011.04.006.
Farlow, J. O.; Dodson, P. (1975). “The behavioral significance of frill and horn morphology in ceratopsian dinosaurs”. Evolution29 (2): 353–361. doi:10.2307/2407222. JSTOR2407222. PMID28555861.
Farlow, J. O.; Dodson, P. (1975). “The behavioral significance of frill and horn morphology in ceratopsian dinosaurs”. Evolution29 (2): 353–361. doi:10.2307/2407222. JSTOR2407222. PMID28555861.
Farlow, J. O.; Dodson, P. (1975). “The behavioral significance of frill and horn morphology in ceratopsian dinosaurs”. Evolution29 (2): 353–361. doi:10.2307/2407222. JSTOR2407222. PMID28555861.
Erickson, Gregory M.; Olson, Kenneth H. (1996-03-19). “Bite marks attributable to Tyrannosaurus rex: Preliminary description and implications”. Journal of Vertebrate Paleontology16 (1): 175–178. doi:10.1080/02724634.1996.10011297. ISSN0272-4634.