Two Detailed Phacopid (Adrisiops) Trilobites - Jbel Oudriss, Morocco

This is a pair of very detailed phacopid (Adrisiops weugi) trilobites from Jbel Oudriss, Morocco. Adrisiops had been informally referred to as 'smiley Phacops' until it was described as the type species of a new genus in 2017. It is one of the less frequently seen genus of phacopids from Morocco.

Both specimens are partially enrolled and well prepared. The larger one would be about 2" if outstretched and the smaller about 1.7". The smaller specimen has about 2% shell restoration along repaired cracks.

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.
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DETAILS
SPECIES
Adrisiops weugi (van Viersen, Holland & Koppka, 2017)
LOCATION
Jbel Oudriss, Morocco
FORMATION
El Otfal Formation
SIZE
2" & 1.7" long (if outstretched)
SUB CATEGORY
ITEM
#222417
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