Evaginated penis, Wallaconchis graniferum, Philippines (A–C) Luzon [3163] (PNM 041227) (D) Bohol [3636] (PNM 041228) (E) Bohol [3638] (PNM 041225). A Proximal region of evaginated penis with hooks, scale bar 400 μm B Middle region of evaginated penis with long slender hooks on one side, and shorter hooks on the other side, scale bar 400 μm C Distal region of evaginated penis with distal hooks, scale bar 300 μm D Partially evaginated penis with proximal hooks (more distal hooks are inside the rest of the invaginated penis), scale bar 200 μm E Partially evaginated penis with most proximal hooks (more distal hooks are invaginated inside), scale bar 200 μm. Abbreviations (from proximal to distal): ph proximal hooks (first penial region) lh long slender hooks (second penial region) sh short hooks (second penial region) nh no hooks (gap) dh distal hooks (third penial region).

 
 
  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. https://doi.org/10.3897/zookeys.763.21252