Accessory penial gland spine, Peronia willani, Australia, Northern Territory A, C holotype, [1628 H] (NTM P.57625) B, D [1620] (NTM P.57626). Scale bars: 300 μm (A, B), 20 μm (C, D).

 
 
  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