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.
|Montezuma Range, Esmeralda County, Nevada, USA|
|Size:||about 11 mm long|
|Age:||Lower Cambrian, Montenegro Member of the Campito Formation (ca. 520 Y.o.)|