31MM Detailed Fossil Tetragramma Marticense Sea Urchin Echinoid Cretaceous Brontothere Esteemed for its exceptional clarity

Esteemed for its exceptional clarity and luminous beauty

Some diogenites exhibit a cumulate texture

and an extensive flora represented by over 325 leaf

making it both culturally and scientifically significant

31MM Detailed Fossil Tetragramma Marticense Sea Urchin Echinoid Cretaceous Brontothere Esteemed for its exceptional clarityLocation: Morocco Weight: 0. 5 Ounces Dimensions: 31MM Late Cretaceous 95 89 Million Years Old The item pictured is the one you will receive. Tetragramma marticense sea urchins are a group of marine invertebrates found in nearly every ocean habitatfrom polar waters to tropical seas, and from shallow intertidal zones to depths exceeding 5,000 meters. Today, about 800 living species exist, but their lineage stretches back roughly 450 million years to