Scissurella petermannensisScissurella petermannensis is a species of small sea snail, a marine gastropod mollusk in the family Scissurellidae.DescriptionThe size of the shell varies between 1.2 mm and 1.8 mm. It has been described as having prominent lamellar ribs and being similar in shape to Scissurella coronata.DistributionThis species occurs in Antarctic waters, off the Falkland Islands, Tierra del Fuego, South Georgia, South Shetland Islands and the South Orkneys at depths to 31 m.