This piece is a trilobite rarity of the species Montezumaspis parallela from the Campito Formation of Nevada. Montezumaspis occurs in a narrow stratigraphic area between the Eofallotaspis zone and the Nevadia Zone. | |||
Location: | Montezuma Range, Esmeralda County, Nevada, USA | ||
Size: | about 11 mm long | ||
Age: | Lower Cambrian, Montenegro Member of the Campito Formation (ca. 520 Y.o.) |