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Bibliographie (2)
F. R. O'Keefe, H. P. Street, and J. P. Cavigelli, J. J. Socha, R. D. O.'Keefe. 2009. A plesiosaur containing an ichthyosaur embryo as stomach contents from the Sundance Formation of the Bighorn Basin, Wyoming. Journal of Vertebrate Paleontology 29(4):1306-1310
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J. A. Massare and H. A. Young. 2005. Gastric contents of an ichthyosaur from the Sundance Formation (Jurassic) of Central Wyoming. Paludicola 5(1):20-27