1.8" Thysanopeltis With Phacops Trilobite - Issoumour, Morocco

This is a cool, natural association of two different genus of trilobites from Mount Issoumour, Morocco. The larger specimen is a 2.5" long Thysanopeltis speciosa with it's distinctive fringe of spines around it's tail. Right next to it a a 1.1" phacopid trilobite, preserved on it's side. There is about 10% shell restoration on the Thysanopeltis along the repaired crack running through the left hand side of the body. No restoration on the phacopid.

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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DETAILS
SPECIES
Thysanopeltis speciosa
LOCATION
Mount Issoumour, Morocco
SIZE
2.5" & 1.1" long
SUB CATEGORY
ITEM
#55971
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