Double "Devil Horned" Cyphaspis Walteri Trilobite Plate

Here is nice double specimen of the Devonian trilobite Cyphaspis walteri sometimes referred to as the "Devil Horn" Cyphaspis. The are nicely prepared with the long axial spines free standing. There is no significant restoration on this specimen.

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)