Accessory penial gland spine, Peronia verruculata (unit #3) A–C, E–I, K, L Peninsular Malaysia D, J Singapore A [975] (USMMC 00064) B [976] (USMMC 00051) C [977] (USMMC 00064) D [989] (ZRC.MOL.16070) E [2546] (USMMC 00065) F [2547] (USMMC 00065) G same as A; H same as B; I same as C; J same as D; K same as E; L same as F. Scale bars: 300 μm (A–F), 20 μm (G–L).

 
 
  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