External morphology and internal anatomy, O. stuxbergi. A Anterior region, dorsal view, Malaysia, Kuala Sepatang, scale bar 4.4 mm [DNA 971] (USMMC 00006) B Digestive system, dorsal view, Philippines, Bohol, scale bar 5 mm [DNA 3363] (PNM 041199, #2) C Reproductive system, anterior, male, copulatory parts, Philippines, Bohol, scale bar 6.8 mm [DNA 3363] (PNM 041199, #2) D Reproductive system, hermaphroditic (female) posterior parts, Malaysia, Kuala Sepatang, scale bar 5 mm [DNA 971] (USMMC 00006). Abbreviations: agf, accessory gland flagellum; dd, deferent duct; ddg, dorsal lobe of digestive gland; e, esophagus; fgm, female gland mass; hg, hermaphroditic gland; i, intestine; ov, oviduct; pdg, posterior lobe of the digestive gland; ps, penial sheath; rg, rectal gland; rm, retractor muscle; rs, receptaculum seminis; sp, spermatheca; spv, spermoviduct; 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