1.3" Sauropod Dinosaur Stomach Stone Gastrolith Rock Gizzard Stone COA Bryozoan The extinction of elephant birds

The extinction of elephant birds is widely believed to be closely tied to human activity following the arrival of people in Madagascar approximately 2

Exoskeleton: The First animals to have a skeleton

providing valuable insights into ancient ecosystems and climate conditions

and jasper

1.3" Sauropod Dinosaur Stomach Stone Gastrolith Rock Gizzard Stone COA Bryozoan The extinction of elephant birdsLocation: Cloverly Formation, Montana Weight: 0. 9 Ounces Dimensions: 1. 3 Inches Long, 1. 2 Inches Wide, 0. 9 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Gastrolith stones identified in the Cloverly Formation are actually polished stomach stones from large dinosaurs, particularly Sauropods such as Titanosaurs. These beautiful, rare stones, called gastroliths, are found in only a few locations