Velutina haliotidea (Fabricius, 1780)[2] Velutina laevigata (O. F. Müller, 1777) Velutina velutina, common name the velvet shell, is a species of small sea snail with a transparent shell, a marine gastropod mollusk in the family Velutinidae.

[3] The maximum recorded shell length is 27.5 mm.

[3] Minimum recorded depth is 0 m.[4] Maximum recorded depth is 183 m.[4] Velutina velutina feeds on ascidians.

[5] Sexes are separate but are seldom conspicuously different externally.

[3] Velutina velutina is a simultaneous hermaphrodite yet self-fertilization is prevented due to various morphological, physiological, or behavioral mechanisms.