Digestive system (apart from the radula) of Myrtoessa hyas gen. n., sp. n. A Stomach, style sac, part of intestine and oesophagous B Rectum. Scale bar 0.5 mm. Abbreviations are given in the Material and method section.

  Part of: Radea C, Parmakelis A, Giokas S (2016) Myrtoessa hyas, a new valvatiform genus and a new species of the Hydrobiidae (Caenogastropoda, Truncatelloidea) from Greece. ZooKeys 640: 1-18. https://doi.org/10.3897/zookeys.640.10674