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Death Assemblage Teeming with 44 Onnia Trilobites

 
 
Name: Onnia sp. (44)
Age:  Ordovician
Formation:  Ktaoua Formation
Location:  Morocco
Size: Plate is 7.5" X 15.5"
Price: SOLD

Specimen SS180

This is simply an incredible multiple trilobite plate. It is a slab covered with Onnia sp. from the Ordovician of Morocco. This specimen was microscopically prepared in the EXTINCTIONS Prep Lab here in Colorado, as are all of our Moroccan trilobites. There are 44 examples of this Trinucleid trilobite on the slab - all but three are complete or essentially complete. All of the trilobites are wonderfully articulated and exhibit excellent detail. The pitted cephalic borders are quite distinct, and the thin genal spines are easily seen. The dark brown color of the trilobites contrasts superbly with the light-colored matrix. The bugs are beautifully showcased on the sculpted block of limestone. And best of all, this slab is not composited - all of the trilobites are natural to the plate. This is an extremely prolific ''death assemblage'' of Onnia sp. from Morocco - a museum-quality example of trilobite mass mortality.

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