Vibrant pink periwinkle flowers with lush green foliage background at Kew Gardens, London, England, United Kingdom, Europe

Common periwinkles (Littorina littorea) on toothed wrack (Fucus serratus) exposed at low tide, Lyme Regis, Dorset, England, United Kingdom, Europe

Ready to eat seafood platter at Le Petit Zinc Restaurant near Boulevard Saint Germain, Left Bank, Paris, France

Flat Periwinkle (Littorina obtusata), small yellow snail showing tentacles and on top of green seaweed, Eyemouth, Scotland, UK North Sea

Flat Periwinkle (Littorina obtusata), small yellow snail showing tentacles and on top of green seaweed, Eyemouth, Scotland, UK North Sea

Periwinkles. UK

Bigleaf Periwinkle, Large Periwinkle, Greater Periwinkle, or Blue Periwinkle (Vinca major), Sardinia, Italy, Europe

Edible snails in bucket for sale