Terebralia semistriataTerebralia semistriata, common name the striate mud creeper, is a species of sea snail, a marine gastropod mollusk in the family Potamididae.DescriptionThe length of the shell varies between 35 mm and 75 mm.DistributionThis marine species occurs also in intertidal flats, mangroves, mud-silt off Papua New Guinea and Australia.