Dinosaur Gastrolith - 1.633" Gut Stone - 150,000,000 Years Old rockinaboxatlasaurus The material was acquired from

The material was acquired from the private collection of a retired LA sound engineer

While this process protects the soft flesh of the mollusk

The Triceratops’ jaws came together to form a sharp curved beak

Daniel Kirkwood noticed gaps in the Asteroid Belt at locations corresponding to specific fractions of Jupiter's orbit around the Sun

450" chunk of Libyan Desert Glass

Dinosaur Gastrolith - 1.633" Gut Stone - 150,000,000 Years Old rockinaboxatlasaurus The material was acquired fromWithout 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 1. 633" 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