M.J. Everhart e K. Ewell, [27:sdhcvf2.0.co;2 Shark-bitten dinosaur (Hadrosauridae) vertebrae from the Niobrara Chalk (Upper Coniacian) of western Kansas], in Transactions of the Kansas Academy of Science, vol. 109, 1–2, 2006, pp. 27-35, DOI:10.1660/0022-8443(2006)109[27:sdhcvf]2.0.co;2.
M.J. Everhart e K. Ewell, [27:sdhcvf2.0.co;2 Shark-bitten dinosaur (Hadrosauridae) vertebrae from the Niobrara Chalk (Upper Coniacian) of western Kansas], in Transactions of the Kansas Academy of Science, vol. 109, 1–2, 2006, pp. 27-35, DOI:10.1660/0022-8443(2006)109[27:sdhcvf]2.0.co;2.