2.7" Calymene (With Shell) Trilobite - Tazarine, Morocco

The commonly seen Calymene trilobites from Morocco are preserved as internal molds without any shell remaining. This unusual specimen from a different location near Tazarine, Morocco has a different mode of preservation with a chocolate brown shell still preserved. It's 2.7" long and very inflated.

The rock here is extremely hard, much harder than most of the limestones in Morocco making the preparation very difficult and time consuming. This is probably one of the reasons why you almost never see these Calymene trilobites with preserved shell on the market.

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
Calymene sp.
LOCATION
Tazarine, Morocco
SIZE
2.7" long
SUB CATEGORY
ITEM
#56043
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