Genital anatomy of Guladentia subtussulcata A genitalia B auxiliary copulatory organ details) C details of the distal portion of the auxiliary copulatory organ D drawing of the fertilization pouch–spermathecal complex E drawing of the details of the verge. Abbreviations: aco = auxiliary copulatory organ, ag = albumen gland, agl = accessory gland, as = atrial sac, bc = bursa copulatrix, bcd = bursa-copulatrix duct, e = proximal epiphallus, fl = flagellum, fp = fertilization pouch, fpsc = fertilization pouch–spermathecal complex, hd = hermaphroditic duct, mp = muscular papilla, ncs = non-calcareous structure, pe = penis + distal epiphallus, ov = oviduct, pmg = pedunculated mucus gland, pg = prostatic gland, prm = penial retractor muscle, so = spermoviduct, ss = single spermatheca, v = verge, vd = vas deferens.