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As the asteroid cooled
their lower teeth are not visible and rest inside their upper teeth and mouth and they lack the notch
The central 230 square miles of the ancient lake bed are exceptionally rich in fossils and reveal a variety of geological features
The fossils preserved in this slab include early echinoderms (spiny-skinned marine invertebrate animals) known as echinoids and ophiuroids (brittle stars)
and the conditions that shaped the early solar system
19.7" Brittle Star Ophiura Sp Starfish Mortality Plate Fossil Ordovician Age COA & Stand Crab As the asteroid cooledLocation: Kataoua Formation, Blekus, Morocco Weight: 8 Pounds 15. 5 Ounces Dimension: 19. 7 Inches Long, 10 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.
