The piece measures ± 7,2 x 6,5 cm and the trilobite ± 1,6 x 1,1 cm, without counting the spines, it is perfect, without any retouching or repair, perfect eyes.
This taxon differs from the others in that it has two pairs of cephalic spines.
The stone is split but does not affect the trilobite. Cleaned with sandblasting, it is delivered with an urn for its protection and the piece anchored to the box.
Devonian, Efelien-Jebel el Mrakib, Morocco