Trilacuna changzi sp. nov., male holotype A–C habitus in dorsal, lateral, and ventral views; black arrow shows the cluster of densely, short setae D–F, H, I prosoma in dorsal, lateral, ventral, posterior, and anterior views G labium and endites in ventral view; white arrow shows the long, strongly curved spines. Abbreviations: boc = booklung covers; cmp = clypeus median projection; esb = elevated seta base; ldi = labium deep incision. Scale bars: 0.4 mm (A–F, H, I); 0.2 mm (G).