3" Spiny Quadrops Trilobite - Ofaten, Morocco

This is a spectacular specimen of one of my favorite species of trilobites, the very alien looking Quadrops flexuosa. This bizarre trilobite has a distinctive four-forked protrusion coming off of the front of it's head which is where the genus gets it's name. It is not only a rare trilobite but extremely hard and time consuming to prepare owing to the hardness of the rock and the it's many free standing spines.

This specimen is good sized at 3" long and the preparation is exceptional. It took on the order of 50 hours of preparation work under microscope to carefully remove the hard limestone surrounding it using air abrasives and air scribes. All the spines are free-standing and the eye facets are clean in both eyes. They don't get much better than this.

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.
Quadrops flexuosa
Ofaten, Morocco
El Otfal Formation
3" long
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