SEM image of the trophi of Proales amplus sp. nov. A dorsal view; B left manubrium, outside view; C left manubrium, inside view; D unci and rami, dorsal view; E unci and rami, ventral view, arrow indicates the extension of the right epipharynx. Scale bar: 5 μm. Abbreviations: bf = basifenestra, ep = epipharynx, fu = fulcrum, gr = groove, ma = manubrium, pt = pre-uncinal tooth, ra = ramus, un = uncus.