Common periwinkle
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The common periwinkle or winkle is a species of small edible whelk or sea snail, a marine gastropod mollusc that has gills and an operculum, and is classified within the family Littorinidae, the periw
Sea snail, underneath, full view
Littorina littorea 001
Shell of the common periwinkle
Remains of an ancient meal. Winkle shells from Cantabrian Lower Magdalenian layer (15 000 before present) in the Altamira cave
Littorina
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Littorina is a genus of small sea snails, marine gastropod molluscs in the family Littorinidae, the winkles or periwinkles.
Anatomy of Littorina