Figure 40 from: Goulding TC, Khalil M, Tan SH, Dayrat B (2018) Integrative taxonomy of a new and highly-diverse genus of onchidiid slugs from the Coral Triangle (Gastropoda, Pulmonata, Onchidiidae). ZooKeys 763: 1-111. https://doi.org/10.3897/zookeys.763.21252

Figure 40 Reproductive system, Wallaconchis ater, Indonesia. A Anterior, male copulatory parts (vestibule removed, showing the coiled and U-shaped penis), Halmahera, scale bar 2 mm [5078] (UMIZ 00047) B Penis (coil of loops removed from vestibule), Sulawesi, scale bar 2 mm [2283] (UMIZ 00038) C Anterior, male copulatory parts, scale bar 5 mm, same as B D Anterior, male copulatory parts, Kei Islands, scale bar 1 mm [2939] (UMIZ 00041). Abbreviations: dd deferent duct dpp distal penial projections p penis ps penial sheath rm retractor muscle v vestibule.