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formed from crystals settling out of molten material
contributing richly to the marine ecosystems of their time
Early species had long tails and toothed jaws
Because their physical properties are so alike
Speed would have been needed to survive because of the many carnivores of the time
XL 3.9" Spinosaurus Fossil Tooth 100 Million Years Old Cretaceous Dinosaur COA Wooly Rhinoceross Tooth formed from crystals settling outLocation: Oued Zem, Morocco Weight: 1. 3 Ounces Dimensions: 3. 9 Inches Long, 0. 9 Inches Wide Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Name: Spinosaurus (Spine lizard). Named By: Ernst Stromer 1915. Diet: Piscivore Carnivore. Size: Estimated between 12. 6 and 18 meters long. Known locations: North Africa, particularly Egypt Bahariya Formation, and Morocco Kem Kem Beds. Time period: Albian to Cenomanian
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