Figure 64 from: 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

Figure 64 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).