Reproductive system, anterior, male copulatory parts, Wallaconchis graniferum, Philippines. A Penis with two proximal regions of hooks separated from a third distal region of hooks by a gap with no hooks (the hooks of the first, most proximal region are on the other side of the penis and cannot be seen here), Luzon, scale bar 0.7 mm [3163] (PNM 041227) B Anterior male copulatory parts scale bar 3.6 mm same as A. C Penis partially evaginated inside the vestibule (removed) Bohol scale bar 1 mm [3638] (PNM 041225). Abbreviations: dd deferent duct pr1 first most proximal penial region (with hooks on the other side) pr2 second proximal penial region (with hooks) pr3 third distal penial region (with hooks) ps penial sheath rm retractor muscle sr smooth region of the penis (with no hooks) v vestibule.

  Part of: 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.