Here is a fantastic Weeks Trilobite of the rare species Genevievella granulatus in a ventral preparation. This Genevievella granulatus shows a top preservation, the hypostome is present and perfectly in situ preserved. | |||
Location: | Millard Co., Utah, USA | ||
Size trilobite: | about 17 mm long | ||
Age: | Upper Cambrian, Weeks Fm., (about. 518 Mill. y.o.) |