This is a very fine specimen of Coronocephalina jastrowi from the Silurian of China. This trilobite has a very small, pustulose glabella and extremely long genal spines. The bug displays small, thin spines emanating from the border of the large pygidium. The fossil has nice color and contrast. It is almost perfectly centered on the rectangular plate of matrix. This is a very good specimen of Coronocephalina from China.