Two Early Cambrian Trilobites (Perrector) - One 3.2" Long

This is an incredible double Perrector trilobite plate from Tazemmourt, Morocco. One specimen is gigantic at 3.2" long and the second is still quite large for the species at 2.4". Both trilobites are well preserved and have been prepared to bring them out in high relief against the surrounding shale.

The genus Perrector is synonymous with Richterops and Resserops. While these other two names are more frequently used when referring to this species Perrector is probably the most technically correct.

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.
Perrector falloti
South Of Tazemmourt, Morocco
Amouslek Formation, Tiout Member
3.2 & 2.4" long on 11.4 x 6.4" shale.
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