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with larger specimens averaging around 3
existing for approximately 32 million years
and widespread occurrence
Measuring around 10–15 feet (3–4
5.7" Eurypterus Sea Scorpion Fossil Eurypterid Silurian 420 Mil Yrs Old New York Stand Acanthoceras with larger specimens averaging aroundLocation: Buffalo, New York, Bertie Green Formation Weight: 2 Pounds 5. 8 Ounces Dimensions: 7. 2 Inches Long, 5. 4 Inches Wide, 0. 8 Inches Thick (Plate) Sea Scorpion Dimensions: 5. 7 Inches Long, 3. 5 Inches Wide Comes with a Free Stand. Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Upper Silurian, 420 Million Years old Eurypterids, commonly referred to as sea scorpions, are an extinct group of arthropods
