Dinosaur Gastrolith - SOLD 2.556" Gut Stone - 150,000,000 Years Old rockinaboxgembonependant with estimated ages between 140

with estimated ages between 140

The shark lurks beneath its prey

Stingrays are an ancient and beautiful ray fish which have glided through the oceans for millions of years

Color and patterns vary widely though they are all amazing

About Knightia and the Fossil Lake of Wyoming

Dinosaur Gastrolith - SOLD 2.556" Gut Stone - 150,000,000 Years Old rockinaboxgembonependant with estimated ages between 140Without 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. 556" 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