This is a very rare Nevada trilobite of the species Nevadia palmeri from the Goldfield locality near of the Montezuma Peak in Esmeralda County. Stratigraphically is Nevadia palmeri a little younger than Nevadia weeksi and belongs to the upper part of the Campito formation. This trilobite shows good preservation and articulation. The ophistothorax also nicely preserved.
This is an absolute trilobite rarity from the lower Cambrian of Nevada.
Goldfield, Montezuma Range, Esmeralda County, Nevada, USA
about 21 mm long
Early Cambrian Stage 3, Montenegro Member of the Campito Formation, Montezunaspis Beds