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Sketch of a gastrolith—the gizzard stone of an ancient reptile

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Sketch of a gastrolith—the gizzard stone of an ancient reptile.jpg Sketch of a coprolite—fossilized animal excrementMiniaturesLady looking at sunsetSketch of a coprolite—fossilized animal excrementMiniaturesLady looking at sunsetSketch of a coprolite—fossilized animal excrementMiniaturesLady looking at sunsetSketch of a coprolite—fossilized animal excrementMiniaturesLady looking at sunset
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These highly polished well-rounded stones (gastrolith) are believed to have been used in the stomachs of reptiles for grinding the food into smaller pieces. Large numbers of these “stomach stones” have been found with the remains of certain types of dinosaurs.

Auteur
Texas Fossils: An Amateur Collector's Handbook
By William Henry Matthews
Published under the Project Gutenberg License available at www.gutenberg.org
Dimensions
536*501
Mots-clés
Prehistoric
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