Description
Trilobite, Walliserops sp., Morocco. Acastidae; Arthropoda; Morocco; Phacopida; Trilobita; Trilobite fossil; Walliserops; Walliserops sp; black; brown; cephalon; color image; devonian period; exoskeleton; extinct; fossil; fossiliferous rock; geologic specimen; glabella; horizontal; palaeontology; phacopid trilobite; photograph; photography; trident; trilobite; whole animal