Thanit Siriboon, Chirasak Sutcharit, Fred Naggs, Somsak Panha
Zookeys
Figure 5.Internal sculpture of genitalia of Perrottetia spp. A–G Perrottetia dermapyrrhosa sp. n. (paratype CUMZ 5002) A details of atrial pore on the atrium surface B low magnification shows arrangement of penial hooks C high magnification of penial hooks D lateral view of penial hook E top view of penial hook situate inside hollow F arrangement of vaginal fold with hook in white square, and G lateral view of vaginal hook (from white square in F) H–M. Perrottetia aquilonaria sp. n. (paratype CUMZ 5004) H details of atrial pore on the atrium surface I low magnification shows dense arrangement of penial hooks J high magnification of penial hooks with (inset) lateral view of penial hook K arrangement of penial hooks L top view of penial hook, and M arrangement of vaginal folds without vaginal hook.
Thanit Siriboon, Chirasak Sutcharit, Fred Naggs, Ben Rowson, Somsak Panha
Zookeys
Figure 22.Radula morphology of A Discartemon discus CUMZ 6257, from Da Nang, Vietnam B Discartemon nummus CUMZ 6208, from Patthalung C Discartemon hypocrites, topotype CUMZ 6199 D Discartemon afthonodontia sp. n., paratype CUMZ 6210 E Discartemon roebeleni, topotype CUMZ 6217 F Discartemon kotanensis sp. n. paratype CUMZ 6230 G Discartemon megalostraka sp. n. paratype CUMZ 6233 H Discartemon triancus sp. n. paratype CUMZ 6236.