Publications by Perot Museum Scientists

Dr. Tykoski’s Recent Papers

Ronald S. Tykoski, Anthony R. Fiorillo, and Kentaro Chibab. New data and diagnosis for the Arctic ceratopsid dinosaur Pachyrhinosaurus perotorum. https://www.tandfonline.com/doi/full/10.1080/14772019.2018.1532464 or read the abstract here. 

Tykoski, R.S., and Fiorillo, A.R.  2016.  An articulated cervical series of Alamosaurus sanjuanensis Gilmore, 1922 (Dinosauria: Sauropoda) from Texas: new perspective on the relationships of North America’s last giant sauropod.  Journal of Systematic Palaeontology 15(5):339-364, https://doi.org/10.1080/14772019.2016.1183150

Fiorillo A.R. and Tykoski, R.S. 2014. A Diminutive New Tyrannosaur from the Top of the World. PLoS ONE 9(3): e91287. doi:10.1371/journal.pone.0091287

Tykoski, R.S., and Fiorillo, A.R. 2013. Beauty or brains? The braincase of Pachyrhinosaurus perotorumand its utility for species-level distinction in the centrosaurine ceratopsid Pachyrhinosaurus. Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 103(3-4):487-499. doi: http://dx.doi.org/10.1017/S1755691013000297

Fiorillo, A.R., and Tykoski, R.S. 2013. An immature Pachyrhinosaurus perotorum(Dinosauria: Ceratopsidae) nasal reveals unexpected complexity of craniofacial ontogeny and integument in Pachyrhinosaurus. PLoS ONE 8(6): e65802. doi:10.1371/journal.pone.0065802

Fiorillo, A.R., and Tykoski, R.S. 2012. A new Maastrichtian species of the centrosaurine ceratopsid Pachyrhinosaurus from the North Slope of Alaska. Acta Palaeontologica Polonica 57(3): 561-573, doi: http://dx.doi.org/10.4202/app.2011.0033

Tykoski, R.S., and Fiorillo, A.R. 2010. An enantiornithine bird from the lower Middle Cenomanian of Texas. Journal of Vertebrate Paleontology 30:288-292.

Fiorillo, A.R., Tykoski, R.S., Currie, P.J., McCarthy, P.J., and Flaig, P. 2009. Description of Two Partial Troodon Braincases from the Prince Creek Formation (Upper Cretaceous), North Slope Alaska. Journal of Vertebrate Paleontology 29:178-187.

Allain, R., Tykoski, R., Aquesbi, N., Jalil, N, Monbaron, M., Russell, D., and Taquet, P. 2007. An abelisauroid (Dinosauria: Theropoda) from the Early Jurassic of the High Atlas Mountains, Morocco, and the radiation of ceratosaurs. Journal of Vertebrate Paleontology 27:610-624.

Tykoski, R. 2007. Small theropods, big ideas; pp. 86 in T. Holtz, Jr., Dinosaurs: the most complete, up-to-date encyclopedia for dinosaur lovers of all ages. Random House, New York, New York.

Tykoski, R.S. 2005. Vertebrate paleontology in the Arizona Jurassic; pp. 72-93 in R. D. McCord (ed.), Vertebrate Paleontology of Arizona. Mesa Southwest Museum Bulletin Number 11. Mesa, Arizona.

Tykoski, R.S., and Rowe, T. 2004. Ceratosauria; pp. 47-70 in D. B. Weishampel, P. Dodson, and H. Osmolska (eds.), The Dinosauria, Second Edition. University of California Press, Berkeley, California.

Tykoski, R.S., Forster, C.A., Rowe, T., Sampson, S.D., and Munyikwa, D. 2002. A furcula in the coelophysid theropod Syntarsus. Journal of Vertebrate Paleontology 22:728-733.

Tykoski, R.S., Rowe,T.B., Ketcham, R.A., and Colbert, M.W. 2002. Calsoyasuchusvalliceps, a new crocodyliform from the Early Jurassic Kayenta Formation of Arizona. Journal of Vertebrate Paleontology 22:593-611.