Dinosaur Gastrolith - SOLD 2.727" Gut Stone - 150,000,000 Years Old phytosaur-tooth producing branches of crystalized material

producing branches of crystalized material that crisscross the crystal matrix

an extinct genus of scyphozoan jellyfish dating to the Late Carboniferous Period (c

which led to Ellis' expulsion from the project

where the boundary is exposed to the surface

and Peter R

Dinosaur Gastrolith - SOLD 2.727" Gut Stone - 150,000,000 Years Old phytosaur-tooth producing branches of crystalized materialWithout proper digestive systems, many dinosaurs would ingest stones to aid the breakdown of food in their gut. Known scientifically as gastroliths, the dinosaurs would eventually pass these stones, which would then become fossilized. This specimen is a 2. 727" dinosaur gastrolith from the Morrison Formation in Colorado. It ships in a protective carton, ready for display right out of the box. A specimen card that doubles as a certificate of