Unusual occurrence of gastroliths in a polycotylid plesiosaur from the Upper Cretaceous Tropic Shale, southern Utah

A polycotylid plesiosaur (Dolichorhynchops sp.), recently discovered in the Upper Cretaceous (Cenomanian-Turonian) Tropic Shale in Glen Canyon National Recreation Area, southern Utah, is associated with 289 gastroliths. This specimen is significant due to the general lack of gastroliths associated w...

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Veröffentlicht in:	Palaios 2009-07, Vol.24 (7), p.453-459
Hauptverfasser:	Schmeisser, Rebecca L, Gillette, David D
Format:	Artikel
Sprache:	eng
Schlagworte:	Bones Chordata Cretaceous Diapsida Dolichorhynchops Gastroliths Geology Glen Canyon National Recreation Area Jaw juvenile taxa Kaiparowits Basin Kane County Utah lower Turonian Mesozoic Natural history North America Paleontology Plesiosauria Polycotylidae Reptilia Research s Sauropterygia Shales Skeleton skeletons Skull statistical analysis Stomach Stone Tetrapoda Tropic Shale Turonian United States Upper Cretaceous Utah Vertebrata vertebrate Western Interior Western Interior Seaway
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