Irura pengi Guo, Zhang & Zhu, 2011 A epigyne, ventral B vulva, dorsal C male habitus, dorsal D ditto, ventral E female habitus, dorsal F male carapace, frontal G male chelicera, posterior. Scale bars: 0.1 mm (A, B, G); 0.5 mm (C–F). Abbreviations: AS – anterior chamber of spermatheca; At – atrium; CO – copulatory opening; FD – fertilization duct; MiS – median chamber of spermatheca; JS – junction duct of spermathecae; PS – posterior chamber of spermatheca.