Hastula solidaHastula solida, common name the solid auger, is a species of sea snail, a marine gastropod mollusc in the family Terebridae, the auger snails.DescriptionThe length of the shell varies between 23 mm and 35 mm.DistributionThis marine species occurs in the tropical Indo-Pacific off Aldabra, the Mascarene Basin, New Guinea and Fiji.