Trimerorhachis Teeth Fossil Permian Age Reptile Waurika Oklahoma COA, Display Grape Agate Rising from its back were

Rising from its back were long neural spines forming a distinctive sail

an extinct megafauna genus closely allied with modern armadillos

Most of the Paleozoic crinoid species attached themselves to substrates on the ocean floor

Growing up to 4 meters (13 feet) long

Trimerorhachis Teeth Fossil Permian Age Reptile Waurika Oklahoma COA, Display Grape Agate Rising from its back wereLocation: Ryan Formation, Waurika, Oklahoma Weight: 0. 3 Ounces Gem Jar Dimensions: 32MM Comes with a free Gem Jar display. Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Trimerorhachis Trimerorhachis is a genus of temnospondyl amphibians known from Permian age deposits, representing a specialized aquatic form adapted to freshwater habitats. The estimated maximum body length approached one meter, with