Trilobite, Peronopsis, Wheeler Shale 6

"This Peronopsis Trilobite #6 is tiny about 1/4  inch long. The matrix is about 2 inches X 2 inches.. 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. "