5.9" Hadrosaur Dinosaur Fossil Rib Bone Hell Creek FM Montana COA Metal Stand Spike Trilobites are an extinct group

Trilobites are an extinct group of marine arthropods classified under Trilobita

and hunting dominance of one of the greatest predators to ever live

ranging from millimeters to several centimeters in size

and crustaceans such as shrimp

Trilobite Dimensions are: 1

5.9" Hadrosaur Dinosaur Fossil Rib Bone Hell Creek FM Montana COA Metal Stand Spike Trilobites are an extinct groupLocation: Hell Creek Formation, Montana (Private Land Origin) Weight: 5. 6 Ounces (With Metal Stand) Dimensions: 5. 9 Inches Long, 1. 2 Inches Wide, 0. 6 Inches Thick (With Metal Stand) Dimensions: 5. 9 Inches Long, 1. 2 Inches Wide, 0. 6 Inches Thick Comes with a Certificate of Authenticity. Comes with a Custom Metal Stand. The item pictured is the one you will receive. Cretaceous Age 83. 6 70. 6 million years old. Most likely from a rib of