Laevilacunaria bennetti is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles. Distribution Description The maximum recorded shell length is 6 mm. Habitat Minimum recorded depth is 10 m. Maximum recorded depth is 27 m. References Reid, D.G. (1989a) The comparative morphology, phylogeny and evolution of the gastropod family Littorinidae. Philosophical Transactions of the Royal Society of London, Series B 324: 1–110. Littorinidae Gastropods described in 1916