Penis and penial hooks, Peronia setoensis, Japan, Honshu A, B holotype [5383 H] (NSMT-Mo 78985) C, D [3753] (NSMT-Mo 78987) E, F [3754] (NSMT-Mo 78987). Scale bars: 40 μm (A), 4 μm (B), 100 μm (C), 2 μm (D, F), 20 μm (E).

 
 
  Part of: Dayrat B, Goulding TC, Apte D, Aslam S, Bourke A, Comendador J, Khalil M, Ngô XQ, Tan SK, Tan SH (2020) Systematic revision of the genus Peronia Fleming, 1822 (Gastropoda, Euthyneura, Pulmonata, Onchidiidae). ZooKeys 972: 1-224. https://doi.org/10.3897/zookeys.972.52853