Velutina velutina, common name the smooth lamellaria, is a species of small sea snail with a transparent shell, a marine gastropod mollusk in the family Velutinidae. The maximum body size is from 15 to 50 mm. The maximum recorded shell length is 27.5 mm. The distribution of Velutina velutina is circumboreal. The range of Velutina velutina include:...