Punctoterebra swainsoniPunctoterebra swainsoni, common name : Swainson's auger, is a species of sea snail, a marine gastropod mollusk in the family Terebridae, the auger snails.DescriptionThe size of an adult shell varies between 10 mm and 54 mm.DistributionThis species occurs in the Indian Ocean off South Africa and in the Pacific Ocean along Hawaii and Tahiti.