Troglocoelotes sinanensis sp. nov., holotype female. A Epigyne, ventral view; B Same, ventral view; C Same, dorsal view; D Cephalothorax, frontal view. Abbreviations: A = atrium; ALEM = pale marks of anterior lateral eye; CD = copulatory duct; CO = copulatory opening; ET = epigynal tooth; FD = fertilisation duct; PLEM = pale marks of posterior lateral eye; PMA = posterior margin of atrium; S = spermatheca; SH = spermathecal head. Scale bars: 0.50 mm (A–C), 1 mm (D).