30–32 Ankylopteryx (A.) ferruginea Tsukaguchi, male abdomen (Yunnan, Lancang, male, CAU). 30 segment A7-terminus, lateral 31 gonarcal complex, dorsal 32 gonarcal complex, lateral. 33–35 Ankylopteryx (A.) ferruginea Tsukaguchi, female abdomen (Hainan, Yinggeling, female, CAU). 33 segment A7-terminus, lateral 34 terminalia, ventral 35 spermatheca. cc callus cerci ent entoprocessus g.l. gonaphophyses lateralis gsac gonosaccus gon gonarcus pp pseudopenis S7 seventh sternum S8+9 fused eighth+ ninth sternum sg.d. dorsal lobe of subgenitale sg.v. ventral lobe of subgenitale sm spermatheca sm.d. spermathecal duct t.s. transverse sclerite T8 eighth tergum T9+e ninth tergum + ectoproct.