Bargain, 3" Crotalocephalina Trilobite

 
 
This is a bargain, 3" long specimen of the Lower Devonian trilobite Crotalocephalina gibbus. The hard limestone surrounding it has been removed so it looks like it is almost crawling off of the rock. There is some shell restoration along repaired cracks, probably about 5% in total.

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 described species, filling nearly every evolutionary niche. Due in large part to a hard exoskeleton (shell), they left a excellent fossil record.
DETAILS
SPECIES
Crotalocephalina gibbus
LOCATION
Foum Zguid, Morocco
SIZE
3" long
SUB CATEGORY
ITEM
#61735
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