13.2" Brittle Star Ophiura Sp Starfish Mortality Plate Fossil Ordovician Age COA & Stand Sand Dollar Poebrotherium was first named by

Poebrotherium was first named by scientist Joseph Leidy in 1848

a unique colored “phantom” appears within the otherwise clear quartz

With a hardness of 3 on the Mohs scale

Each stone tells a 375-million-year story—start your collection when conditions are ideal

13.2" Brittle Star Ophiura Sp Starfish Mortality Plate Fossil Ordovician Age COA & Stand Sand Dollar Poebrotherium was first named byLocation: Kataoua Formation, Blekus, Morocco Weight: 8 Pounds 9. 1 Ounces Dimension: 13. 2 Inches Long, 10. 5 Inches Wide, 1. 1 Inches Thick (Plate) Comes with a Certificate of Authenticity. Comes with a Free Stand. The item pictured is the one you will receive. Brittlestar Ophiura Sp This intriguing limestone slab was extracted from Middle Upper Ordovician (about 450 million years old) rocks in the Anti Atlas part of the Atlas Mountains of Morocco.