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These patterns are created by the variety of minerals present in the stone
Their rapid evolution and short geological lifespan make them excellent index fossils for dating and correlating sedimentary rock layers
Significant fossil sources include the Assa Zag region of the Sahara Desert in Morocco and Devonian limestone formations in Michigan
which is a unique crystalline structure formed by the slow cooling of the molten metal within the core of an asteroid or planetesimal
and a large fish
XL 4.4" Mosasaur Prognathodon Fossil Tooth Rooted Cretaceous Dinosaur Era COA Moon These patterns are created byLocation: Oued Zem, Morocco Weight: 5 Ounces Dimensions: 4. 4 Inches Long, 1. 6 Inches Wide, 1. 4 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. 100 66 Million Years old, Upper Cretaceous, Maastrichtian Epoch. Name: Prognathodon (Forejaw tooth). Named By: Dollo 1889. Diet: Carnivore. Size: Depending upon the species, Prognathodon could range between 6 to possibly just under 14 meters in length.
