Reproductive system, Wallaconchis nangkauriense. A Hermaphroditic (female), posterior parts, Philippines, Bohol, scale bar 4 mm [3276] (PNM 041206) B Anterior, male copulatory parts, Indonesia, Sulawesi, scale bar 5 mm [2192] (UMIZ 00014) C Anterior, male copulatory parts (vestibule removed around the penis), Indonesia, Sumatra, scale bar 2 mm [1788] (UMIZ 00012). Abbreviations: bc body cavity bw lateral left body wall dd deferent duct fgm female gland mass hd hermaphroditic duct hg hermaphroditic gland ov oviduct p penis ps penial sheath rm retractor muscle rs receptaculum seminis sp spermatheca.