4.2" Spiny Psychopyge Trilobite - Issoumour, Morocco

Spiny Psychopyge Trilobite - Issoumour, Morocco #300592

This is a 4.2" long, spiny Psychopyge elegans trilobite from Issoumour, Morocco. It has dozens of tiny, free-standing spines and a distinctive, long rostrum. Excellent preparation and eye facet preservation with dozens of small, free-standing spines. There is about 2% shell restoration primarily on repaired cracks through its tail. Both of the genal spines have been prepared free-standing.

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: over 25,000 species have been described, filling nearly every evolutionary niche. Due in large part to their hard exoskeletons (shells), they left an excellent fossil record.

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