This is a rare specimen of the trilobite Mesolenellus svalbardensis from the Lower Cambrian from Svalbard. | |||
Location: | Noth side Hornsund, Wedel-Jarlsberg-Land, Svalbard | ||
| Size trilobite: | about 18 mm wide | ||
| Age: | Lower Cambrian, Olenellus Zone (about. 520 Ma) | ||