Scanning electron micrographs of shell, protoconch and operculum of Myrtoessa hyas gen. n., sp. n. A–B Shell dorsal and ventral view respectively C Shell apex showing protoconch D Close up of protoconch E Operculum, outer side F Operculum, inner side. Scale bars A–D 200 µm, E–F 100 µm.

  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.