Terebralia semistriata, common name the striate mud creeper, is a species of sea snail, a marine gastropod mollusk in the family Potamididae.

[1] The length of the shell varies between 35 mm and 75 mm.

This marine species occurs also in intertidal flats, mangroves, mud-silt off Papua New Guinea and Australia (Northern Territory, Queensland, Western Australia).

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This Potamididae-related article is a stub.