ABSTRACT
The onchidiid Platevindex mortoni lives in the middle and upper intertidal zone in the south part of China from Zhejiang to Hainan Province. We provide a redescription of the external features, and the digestive, nervous and reproductive systems.
Acknowledgements
We appreciate the valuable advice on dissecting received from Dr Benoît Dayrat, and we are grateful to Dr W. Ponder and two reviewers for their helpful comments.
Disclosure statement
No potential conflict of interest was reported by the authors.