| Here is trilobite double with a Kingaspis sarhroensis together with a disarticulated  exuvia Hamatolenus sp. from the middlecambrian Jbel Wawrmast - Formation. | |||
| Location: | Tahhoucht, Jebel Ougnate, Morocco | ||
| Size: | about 25 & 37 mm | ||
| Age: | Lower Middle Cambrian, Jbel Wawrmast Fm., (about 518 mill. y.o.) | ||