Torleyiscutellum herwigorum n. gen., n. sp (Trilobita) from the Upper Honsel Beds of the north-western Sauerland (Lower Givetian, Rhenohercynian Zone), with a contribution to scutelluid systematic. Neues Jahrbuch fuer Geologie und Palaeontologie Abhandlungen, 281(1), Jul 2016: 51-93. 66 [Zoological Record Volume 152]