Dinosaur Gastroliths for Sale

Dinosaur Gastroliths for Sale.  A gastrolith, also called a stomach stone or gizzard stone, is a rock held inside a gastrointestinal tract.

Gastroliths in some species are retained in the muscular gizzard and used to grind food in animals lacking suitable grinding teeth.

These dinosaur gastroliths have been collected in or near the stomach area of dinosaur remains.