Trilacuna cangshan sp. nov., male holotype A–C habitus in dorsal, ventral, and lateral views D–F prosoma in dorsal, ventral, and anterior views G labium and endites in ventral view H chelicerae, slightly oblique lateral view. Abbreviations: cdb = slightly curved distal branch; ehb = elevated hair base; ldi = labium deep incision. Scale bars: 0.4 mm (A–F); 0.2 mm (G, H).