Here is a nice Trilobite of the spcies Olenellus terminatus from the lower Cambrian Pyramid Shale of California. This specimen shows nicely the genal spines, the macro pleural segments and the long terminal spine as well. | |||
Location: | Emigrant Pass, Nopah Range, California, USA | ||
Size Trilobite: | about 25 mm long | ||
Age: | Lower Cambrian ,Pyramid Shale, Carrara Formation (about. 520 years) |