Trilobite, Peronopsis, Wheeler Shale 9

"This Peronopsis Trilobite #9 is tiny about 1/4  inch long. The matrix is about 2 inches X 2 inches.. There are 2 complete trilobites on this piece. They and come from Utah and were found in the Wheeler Shale formation in Millard County, an area well-known for its trilobite species. Peronopsis are always small. While most trilobites have eyes this species was blind. "