3.8" Trilobite Mortality Plate Fossil Devonian Age 400 Million Years Old COA Coral Reef 7" Postosuchus tooth originates from

7" Postosuchus tooth originates from Late Triassic strata of Arizona's Chinle Formation

Their name originates from the characteristic "ram's horn" shape of their shells

making them the first vertebrates to achieve powered flight

and lineage of the Aepyornis genus

and impurities during crystallization

3.8" Trilobite Mortality Plate Fossil Devonian Age 400 Million Years Old COA Coral Reef 7" Postosuchus tooth originates fromLocation: Morocco Weight: 13. 5 Ounces Dimensions: 3. 8 Inches Long, 3. 2 Inches Wide, 1. 2 Inches Thick (Matrix) Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Trilobites are among the most iconic and scientifically significant fossils ever discovered. Belonging to the extinct arthropod class Trilobita, these marine invertebrates dominated Paleozoic seas for hundreds of millions of years. First appearing in