3.1" Trilobite Mortality Plate Fossil Devonian Age 400 Million Years Old COA Triceratops This unique environment allowed the

This unique environment allowed the wood to undergo silicification

The third crocodile species found in the Hell Creek Formation is Leidyosuchus

This led to its misleading name

Early Skeletal InnovationTrilobites were the first known organisms to possess a hardened exoskeleton

prized for its wide variety of colors and diverse crystal shapes and habits

3.1" Trilobite Mortality Plate Fossil Devonian Age 400 Million Years Old COA Triceratops This unique environment allowed theLocation: Morocco Weight: 11. 3 Ounces Dimensions: 3. 1 Inches Long, 2. 9 Inches Wide, 1. 4 Inches Thick (Matrix) Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Trilobites are extinct marine arthropods classified within the class Trilobita. They first appeared approximately 521 million years ago during the Early Cambrian and quickly became one of the most successful early life forms in Earths oceans. For over