Dickdellia labioflecta is a species of sea snail, a marine gastropod mollusk in the family Zerotulidae, the winkles or periwinkles. Description The length of the shell varies between 5 mm and 7.5 mm. Distribution This marine species occurs off the South Shetlands and in the Weddell Sea, Antarctica References Warén A. & Hain S. (1996) Description of Zerotulidae fam. nov. (Littorinoidea), with comments on an Antarctic littorinid gastropod. The Veliger 39(4): 277–334. Engl, W. (2012). Shells of Antarctica. Hackenheim: Conchbooks. 402 pp. External links Griffiths, H.J.; Linse, K.; Crame, J.A. (2003). SOMBASE - Southern Ocean mollusc database: a tool for biogeographic analysis in diversity and evolution. Organisms Diversity and Evolution. 3: 207-213 Zerotulidae Gastropods described in 1990