Eoptychoparia piochensis
Trilobite
Middle Cambrian
Pioche Formation
Pioche, Lincoln County, Nevada, USA

Good 0.5 inch negative on 2.5 inch shale.

Eoptychoparia was a trilobite that lived during the Early to Middle Cambrian of North America, China, Morocco, and Russia.

Here’s an inexpensive example for the newbie who already has all the more common trilobites. Getting something from Nevada isn’t as easy as it used to be either – many sites no longer open to collecting.