Cicimurri, D. J. and Everhart, M. J. 2001. An elasmosaur with stomach contents and gastroliths from the Pierre Shale (late Cretaceous) of Kansas. Transactions of the Kansas Academy of Science, 104(3-4), 129-143.
Cicimurri, D. J. and Everhart, M. J. 2001. An elasmosaur with stomach contents and gastroliths from the Pierre Shale (late Cretaceous) of Kansas. Transactions of the Kansas Academy of Science, 104(3-4), 129-143.