Lower Cambrian Campito Formation

Esmeralda County, Nevada

A mostly complete trilobite from the lower Cambrian Montenegro Member of the Campito Formation, Esmeralda County, Nevada. It's a brand new, as yet unnamed species of the genus Cirquella--the very first articulated specimen of a Cirquella trilobite ever found. Photograph courtesy Ed Fowler and Perry Damiani.

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