Metacanthina & Crotalophalina Trilobite - Fantastic Association

This is a beautiful association of two different species of trilobites from the Lhandar Formation of Morocco. There is a 2.6" long Crotalophalina gibbus found right next to a 2" long Metacanthina issoumourensis. Excellent shell preservation and preparation on this piece.

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
Metacanthina issoumourensis & Crotalophalina gibbus
LOCATION
Issoumour, Morocco
FORMATION
Lhandar Formation
SIZE
2.6" & 2" long, rock 7.6x5.2"
SUB CATEGORY
ITEM
#174903
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