1.3" Sauropod Dinosaur Stomach Stone Gastrolith Rock Gizzard Stone COA Nanotyrannus 3 Inches Thick (Matrix)

3 Inches Thick (Matrix)

as evidenced by numerous fossils showing Knightia in their stomachs or mouths

Ursus spelaeus

Even more brutal

1.3" Sauropod Dinosaur Stomach Stone Gastrolith Rock Gizzard Stone COA Nanotyrannus 3 Inches Thick (Matrix)Location: 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