Shantungia liui

Order Corynexochida / Suborder Leiostegiina / Superfamily Dameselloidea / Family Dorypygellidae

Shantung, Shandong Province, type locality of the type species

Liu, a surname, from Mr. Liu Yang, a fossil enthusiast of Linyi, Shandong, who first discovered and donated the specimens

Dorsal shield elliptical, moderately convex. Glabella truncate-conical, glabellar furrows indistinct; dorsal furrows deep along the glabella; a pair of small lateral lobes at the posterior side of the glabella; occipital furrow deep laterally and shallow medially; occipital ring of nearly uniform width; fixigenae medium-width; eye ridges faint, palpebral lobes semicircular, eyes strongly convex; anterior border wide; anterior branches of facial sutures cutting the anterior border then converging in a curve, forming a fusiform median anterior spine of medium length on the sagittal line; librigenae rather narrow, genal spines longer than the body. Thorax of 12 segments; axis narrower than pleurae; pleural furrows distinct, pleural spines slender and long. Pygidium semi-elliptical; border wide; 6 pairs of spines of unequal size, the anterior 3 pairs slender and long, the posterior 3 pairs flat, pair 3 smallest, pair 6 broadly triangular.