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each reflecting subtle variations in trace elements and formation conditions
The pygidium (tail) was formed by fused segments that completed their streamlined body structure
prehistoric oceans were home to many large predators
research suggests that rapid sea-level changes and a sudden drop in atmospheric carbon dioxide disrupted reef ecosystems
Sourced from Morocco
1.3" Sauropod Dinosaur Stomach Stone Gastrolith Rock Gizzard Stone COA Knightia each reflecting subtle variations inLocation: 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
US$ 24.95
US$ 134.95
US$ 185.00
