Nice, 3" Struveaspis Trilobite - Jorf, Morocco

This is a large, and very well preserved specimen of the small-eyed phacopid, Struveaspis bignoni. Two defining characteristics of Struveaspis that seperate it from most phacopids is it's smooth shell and very tiny eyes with few lenses. These trilobites are quarried at Jorf near Erfoud, Morocco. This particular specimen is exceptionally nice being large, perfectly prone, inflated, and well prepared. There is only some minor restoration along the repaired cracks.

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 described species, filling nearly every evolutionary niche. Due in large part to a hard exoskeleton (shell), they left a excellent fossil record.
Struveaspis bignoni
Jorf, Erfoud, Morocco
Bou Tchrafine Formation
3" long
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