Figure 13 from: Dayrat B, Goulding TC, Apte D, Bhave V, Comendador J, Ngô XQ, Tan SK, Tan SH (2016) Integrative taxonomy of the genus Onchidium Buchannan, 1800 (Mollusca, Gastropoda, Pulmonata, Onchidiidae). ZooKeys 636: 1-40. https://doi.org/10.3897/zookeys.636.8879

Figure 13 - Male, anterior, copulatory parts, Onchidium stuxbergi. A Penial hooks, Philippines, Bohol, scale bar 40 µm [DNA 3363] (PNM 041199, #2) B Penial hooks, Malaysia, Kuala Sepatang, scale bar 20 µm [DNA 971] (USMMC 00006) C Flat disc at distal end of flagellum of penial accessory gland, Malaysia, Kuala Sepatang, scale bar 40 µm [DNA 971] (USMMC 00006) D Tip, hollow spine, penial accessory gland, Philippines, Bohol, scale bar 3 µm [DNA 3363] (PNM 041199, #2) E Hollow spine, penial accessory gland, Philippines, Bohol, scale bar 200 µm [DNA 3363] (PNM 041199, #2).