Onchidiopsis glacialis is a species of small sea snail with a transparent internal shell, a marine gastropod mollusk in the family Velutinidae. Because the shell is mostly internal, the snail resembles a sea slug in general appearance.
Distribution The distribution of Onchidiopsis glacialis includes European waters.
Description The maximum recorded (shell?) length is 18 mm.Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. .
Habitat The minimum recorded depth for this species is 4 m; maximum recorded depth is 300 m.
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