5.7" Eurypterus Sea Scorpion Fossil Eurypterid Silurian 420 Mil Yrs Old New York Stand Acanthoceras coupled with its appealing pale

coupled with its appealing pale green coloration

with larger specimens averaging around 3

Measuring around 10–15 feet (3–4

It’s one of the most widespread minerals found on Earth and forms the foundation of both limestone and marble

Postosuchus exhibited a mix of crocodile-like and dinosaur-like anatomical traits

5.7" Eurypterus Sea Scorpion Fossil Eurypterid Silurian 420 Mil Yrs Old New York Stand Acanthoceras coupled with its appealing paleLocation: 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