Capulus subcompressusCapulus subcompressus is a species of small sea snail, a marine gastropod mollusk in the family Capulidae, the cap snails.DistributionThis species occurs in the Weddell Sea, off AntarcticaDescriptionThe maximum recorded shell length is 6.6 mm.HabitatMinimum recorded depth is 283 m. Maximum recorded depth is 430 m.