The phacopid trilobites Austerops MCKELLAR & CHATTERTON, 2009, Hottonops gen. nov and Loreleiops gen. nov from the Devonian of the Ardenno-Rhenish Mountains. Neues Jahrbuch fuer Geologie und Palaeontologie Abhandlungen, 283(1), Jan 2017: 53-68. 60 [Zoological Record Volume 153]