.9" Spiny Leonaspis Trilobite - Partially Prepared

I specially requested to have some trilobites specimens partially prepared. These are an interesting demonstration to show, that yes these really are a fossil, found fully encased in hard limestone.

This particular trilobite is a .9" long, spiny Leonaspis collected near Ofaten, Morocco. The exposed half is well prepared with excellent detail including eye facets.

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
Leonaspis
LOCATION
Ofaten, Morocco
SIZE
.9" long
SUB CATEGORY
ITEM
#234994
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