Trilobite, Peronopsis, Wheeler Shale 10

"This Peronopsis Trilobite #9 about 1/4  inch long. The matrix is about 2 inches X 2 inches. It comes 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. "