This is a interesting studiy grade trilobite of the species Densonella semele from the Weeks formation. This trilobite has the digestive structures been preserved. Surprisingly is this kind of Gut Phosphatesation not that seldom on trilobites from the Weeks Fromation. This ts on this Densonella very typical preserved. | |||
Location: | Millard Co., Utah, USA | ||
Size trilobite: | about 9 mm long | ||
Age: | Upper Cambrian, Weeks Fm., (about. 518 Mill. y.o.) |