Two Crotalocephalina Trilobites - Atchana, Morocco

This is a pair of naturally associated Crotalocephalina gibbus trilobites from Atchana, Morocco. Each one is just over 3" long and they have beautiful shell preservation and preparation. There is some minor shell restoration on the front of the head of one of them.

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 with over 25k currently described species, filling nearly every evolutionary niche. Due in large part to a hard exoskeleton (shell), they left an excellent fossil record.
DETAILS
SPECIES
Crotalocephalina (Crotalocephalus) gibbus
LOCATION
Atchana, Morocco
FORMATION
Lhandar Formation
SIZE
About 3" Each
SUB CATEGORY
ITEM
#94755
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