Pseudo-imposex; male features in female volutes not TBT-induced (Gastropoda: Volutidae)

Cornelis Swennen¹, Phusit Horpet²

1.  Faculty of Science and Technology, Prince of Songkla University, Pattani 94000, Thailand, swennen@wxs.nl

2.  Technology for Marine and Coastal Resources Management Program. School of Engineering and Resources, Walailak University, Nakon Si Thammarat 80160, Thailand, hphusit@wu.ac.th

Keywords: Indo-Pacific, pollution, Melo, Cymbiola.