Calymene Trilobite in Matrix Nodule - Fossil cedar Description: These bison vertebra are

Description: These bison vertebra are found in the coolest way

The nickel turns it green

Country of Manufacture: British Columbia

and they also lack a radula

Calymene Trilobite in Matrix Nodule - Fossil cedar Description: These bison vertebra areMined from: Anti Atlas Region, Morocco Description: Calymene Species from the Ktaoua Group formation. Era: Upper Ordovician Geological Age: 460 443 mya Both Halves Closed Approximate Size of 1 piece: 40mm x 50mm x 50mmApproximate Weight of 1 piece: 90g Quantity: 2 pieces (top and bottom) We do our best to buy quality products although not every rock is the same. If you choose to purchase the "staff pick option", we will select the best of the batch