Pleurotomella simillimaPleurotomella simillima is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.DescriptionThe shell length varies from 6 mm and 11 mm.DistributionThis marine species occurs in the Weddell Sea, Antarctica and off Visokoi Island, SE of island, South Sandwich Islands, South Atlantic Ocean at a depth between 93 m and 600 m.