Excellent Onnia Trilobite - Excellent Preparation

This is a beautifully preserved specimen of Onnia superba collected near Blekos, Morocco. The coloration is different and the preservation much better than Onnia trilobites I've previously seen. The distinctive, large cephalon covered in large pits can easily be seen. It's thought that this aided in filtering food out of the water, trapping microscopic food particles in the pits. The long occipital spine has been freestood with just a pillar of matrix near the end of it to lend support.
SOLD
DETAILS
SPECIES
Onnia superba
LOCATION
Blekos, Morocco
SIZE
1.2" long
SUB CATEGORY
ITEM
#40585
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