PinaxiaPinaxia is a genus of sea snails, marine gastropod molluscs in the family Muricidae, the murex snails or rock snails.DescriptionThe shell is conical. The spire is short and acute. The aperture is oval-oblong, emarginate anteriorly. The inner lip is flattened, with several transverse plaits in the middle. The outer lip is acute and grooved internally.SpeciesSpecies within the genus Pinaxia include:Pinaxia coronata ''Pinaxia versicolor''