Double Pseudocryphaeus (Cryphina) Trilobite - Excellent Quality

This is a very nice, double Pseudocryphaeus specimen from Lghaft, Morocco. Both specimens are quite a bit above average size, have beautiful, chocolate brown shell preservation and are well prepared. The larger of the two is just over an inch long and the small just under an inch

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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