Fig. 4 in Gyliotrachela cultura, a new species of terrestrial microsnail (Gastropoda: Eupulmonata: Vertiginidae) from Thailand

Fig. 4. Genital system of Gyliotrachela cultura, new species. A, schematic drawing of genital system; B, genital system (paratype, NHLRU012). Abbreviations: ag = albumin gland; at = atrium; e = epiphallus; erc = epiphallic retractor caecum; fo = free oviduct; hd = hermaphroditic duct; p = penis; pr = penial retractor muscle; pro = prostate; gs = gametolytic sac; ut = uterus; v = vagina; vd = vas deferens.