Dinosaur Gastrolith - 2.485" Gut Stone - 150,000,000 Years Old rockinaboxbandediron Stingrays are an ancient and

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

Plesiosaurs are one of the most readily identifiable of all ancient marine reptiles

5 billion years ago during the creation of our solar system

The 12 Specimen Third Edition of the Mini Museum (MM3) includes:

Dinosaur Gastrolith - 2.485" Gut Stone - 150,000,000 Years Old rockinaboxbandediron Stingrays are an ancient andWithout 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. 485" 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