"Devil Horned" Cyphaspis Walteri Trilobite Cluster

This is a impressive cluster of Cyphaspis walteri trilobites quarried near Ofaten, Morocco. There are four complete specimens, all of which are above average size as well as five partial specimens. Very nice preparation with almost all fo the spines prepared free standing.

This species was finally formally described in 2014. A link to the paper can be found below.

“Devil horned” Cyphaspis (Trilobita, Otarioninae): examples from the Middle
Devonian of the Ardennes (Belgium), Eifel (Germany) and Ma’der (Morocco)