Dinosaur Gastrolith - 2.270" Gut Stone - 150,000,000 Years Old ruby Post Earrings - Typically 1

Post Earrings - Typically 1 cm in length (a little under 0

isolated populations of woolly mammoths survived on Alaska's St

physics departments

Above: Layers of time from the earliest days of life on Earth

Dinosaur Gastrolith - 2.270" Gut Stone - 150,000,000 Years Old ruby Post Earrings - Typically 1Without 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. 270" 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