Gastroliths are present in Baryonyx, in Lourinhanosaurus (for which the skull is unknown, granted, so is arguably not an unambiguous carnivore!), and in Poekilopleuron (again, ditto).
Thomas R. Holtz, Jr. Vertebrate Paleontologist Department of Geology Director, Earth, Life & Time Program University of Maryland College Park Scholars College Park, MD 20742 http://www.geol.umd.edu/~tholtz/tholtz.htm http://www.geol.umd.edu/~jmerck/eltsite Phone: 301-405-4084 Email: tholtz@geol.umd.edu Fax (Geol): 301-314-9661 Fax (CPS-ELT): 301-405-0796
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