Bathysciadium costulatum is a species of sea snail, deep-sea limpet, a marine gastropod mollusk in the family Bathysciadiidae.
Distribution European waters
Description The maximum recorded shell length is 1.5 mm.Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. .
Habitat Minimum recorded depth is 808 m. Maximum recorded depth is 1400 m.
References