Internal anatomy, holotype, O. reevesii (NHMUK 20160036). A Digestive system, dorsal view, scale bar 7.5 mm B Reproductive system, anterior, penial accessory gland, scale bar 3 mm C Reproductive system, anterior, penial sheath, scale bar 5 mm. Abbreviations: agf, accessory gland flagellum; dd, deferent duct; ddg, dorsal lobe of digestive gland; i, intestine; pdg, posterior lobe of the digestive gland; ps, penial sheath; rg, rectal gland; rm, retractor muscle; st2, stomach chamber 2.

 
 
  Part of: Dayrat B, Goulding TC, Apte D, Bhave V, Comendador J, NgĂ´ 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