Walliserops

Walliserops (named after Prof. O. Walliser of Göttingen) is a genus of spinose phacopid trilobite, of the family Acastidae, found in Lower to Middle Devonian age rocks from the Anti-Atlas Mountains of Morocco. All species of Walliserops possess a three-pronged "trident" that protrudes from the glabella. Walliserops is most closely related to the genus Comura. Sexual dimorphism in any trilobite exoskeleton has not yet been satisfactorily demonstrated and any decision to regard evidence as sexual dimorphism or as subspecific/specific difference(s) will be arbitrary.— Whittington, 1997

Walliserops

Walliserops (named after Prof. O. Walliser of Göttingen) is a genus of spinose phacopid trilobite, of the family Acastidae, found in Lower to Middle Devonian age rocks from the Anti-Atlas Mountains of Morocco. All species of Walliserops possess a three-pronged "trident" that protrudes from the glabella. Walliserops is most closely related to the genus Comura. Sexual dimorphism in any trilobite exoskeleton has not yet been satisfactorily demonstrated and any decision to regard evidence as sexual dimorphism or as subspecific/specific difference(s) will be arbitrary.— Whittington, 1997