Dinosaur Gastrolith - 1.633" Gut Stone - 150,000,000 Years Old rockinaboxatlasaurus While this process protects the

While this process protects the soft flesh of the mollusk

Born from the fiery mouth of an active volcano

Who knows what new friends you’ll find when you let the world know what you know

65" polished Cleoniceras fossil from Madagascar

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

Dinosaur Gastrolith - 1.633" Gut Stone - 150,000,000 Years Old rockinaboxatlasaurus While this process protects theWithout 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