| Here is a unprepared morocco trilobite that almost certainty belongs to the species Diademaproetus praecursor. The piece is from the famous Jebel Zguilma site. Only the right genal spine runs in the cover stone. | |||
Location: | Jbel Zguilma , Morocco | ||
| Size: | 110 x 65 x 50 mm | ||
| Age: | Lower Devonian, Emsian, Timrhanrhart Formation (about 400 mill. y.o.) | ||