SpiraxisSpiraxis is a genus of predatory air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Spiraxidae.Spiraxis is the type genus of family Spiraxidae.SpeciesSome species belonging to this genus are:Spiraxis cingalensis Benson, 1863 Spiraxis nitidus pittieri Martens, 1898 Spiraxis paulisculpta Rehder, 1942 Spiraxis scalella Martens, 1898