Glyphostoma polynesiensis, the Polynesian glyphostoma, is a species of sea snail, a marine gastropod mollusc in the family Clathurellidae.
Description The 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.George Washington Tryon, Manual of Conchology vol. VI, p. 291; 1884 (described as Clathurella polynesiensis)
Distribution This marine species occurs along Lord Hood Island in Western Australia.
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