cf. Burmeisteria armatus
'Elvis', as this huge spiny homalonotid was dubbed, is from the Mad'er region, SE Morocco. Elvis trilobites are always composites and highly reconstructed. No known complete originals are known as yet. This specimen resides in the University of Alberta collections. It is also a composite, made from a cephalon, pygidium, and isolated thoracic segments.
Frontal view
side view
closeup of cephalon
closeup of forged and reconstructed thoracic spines.