Dinosaur Gastrolith - 1.683" Gut Stone - 150,000,000 Years Old pins this book offers an extraordinary

this book offers an extraordinary glimpse into the life of a trailblazer who defied her gender and social class to become a pioneer in the field of paleontology

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IGUANODON (BONE)

a prehistoric marker of the early-life bacteria Pilbaria perplexa

Dinosaur Gastrolith - 1.683" Gut Stone - 150,000,000 Years Old pins this book offers an extraordinaryWithout 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. 683" 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