This Specimen has been sold.
Bargain, 1.7" Phacopid Trilobite - Morocco
This is a bargain, 1.7" phacoid trilobite fossil from the Devonian deposits of Morocco. It has great detail including the it's distinctively bumpy shell and eye facets. The preparation is a bit rough is some areas and there is a small amount of shell restoration, hence the bargain price.
Trilobites were a very diverse group of extinct marine arthropods. They first appeared in the fossil record in the Early Cambrian (521 million years ago) and went extinct during the Permian mass extinction (250 million years ago). They were one of the most successful of the early animals on our planet with over 25k currently described species, filling nearly every evolutionary niche. Due in large part to a hard exoskeleton (shell), they left an excellent fossil record.