Liotella johnstoniLiotella johnstoni is a species of small sea snail, a marine gastropod mollusc in the family Skeneidae.DescriptionThe diameter of the shell attains 1.3 mm. The height to width ratio is 0.54 - 0.68. Protoconch is smooth and elevated. Teleoconch up to 2¼ rounded whorls with suture deep. The axial sculpture has low, moderately thick ribs, extending from suture into umbilicus, 20-30 on last whorl. Umbilicus is open and wide. Aperture is circular. Shell is colourless and transparent when fresh, becoming opaque over time with age.DistributionThis marine species is endemic to Australia and occurs off New [South Wales], Victoria, South Australia and Tasmania at depths of 137 metres.