"Devil Horned" Cyphaspis Walteri Multiple With Gerastos

Here is nice multiple specimen of the Devonian trilobite Cyphaspis walteri sometimes referred to as the "Devil Horn" Cyphaspis. There is one complete specimen and two partials as well as a nice little Gerastos sp.

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)