Glyphostoma polynesiensisGlyphostoma polynesiensis is a species of sea snail, a marine gastropod mollusc in the family Clathurellidae.DescriptionThe whorls are narrowly obtusely shouldered, longitudinally closely ribbed, transversely striated. The outer lip is thickened. The anal sinus is large. The color of the shell is white.DistributionThis marine species occurs along Lord Hood Island in Western Australia.