Tygarrup cerrus sp. nov., holotype. A. Cephalic plate, dorsal; B. Cephalic plate, ventral (maxillary complex removed); C. Clypeus, ventral (maxillary complex removed); D. Maxillary complex, ventral; E. Mandible, ventral; F. Forcipular segment, ventral; G. Forcipular segment, dorsal; H. Part of forcipular segment, dorsal; I. Seventh sternum of leg-bearing segment, ventral; J. Ultimate leg-bearing segment and left leg, ventral. Abbreviations: ce – cerrus. Scale bars: 500 μm (A, B, D, F, G, I, J); 100 μm (C, H); 25 μm (E).