A plesiosaur containing an ichthyosaur embryo as stomach contents from the Sundance Formation of the Bighorn Basin, Wyoming
F. R. O'Keefe,
H. P. Street,
J. P. Cavigelli,
J. J. Socha, and
R. D. O'Keefe
2009
Article
Journal of Vertebrate Paleontology
29(4):1306-1310
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