Cypraea caputserpensis Linnaeus 1758
serpent's-head cowry
Cypraea caputserpensis, serpent's-head cowrie

family Cypraeidae

top brown with white spots ; sides and outer edge of base brown, centre of base fawn,coarse teeth restricted to aperture; mantle greenish grey

Distribution =   Indo-west Pacific; Northern Australia - southern WA to southern NSW
Max size =   43mm, commonly 35mm