Glyphostoma pilsbryiGlyphostoma pilsbryi is a species of sea snail, a marine gastropod mollusc in the family Clathurellidae.DescriptionThe size of an adult shell varies between 8 mm and 15 mm.DistributionG. pilsbryi can be found from the eastern coast of Florida to Campeche Bank. The minimum recorded depth is 91 m. The maximum recorded depth is 183 m.