Philippe Clement / Flat periwinkle (Littorina obtusata) shells on beach showing colour variations, Brittany, France
01121936
Christophe Courteau / Flat periwinkle {Littorina obtusata} Brittany France
01121937
Christophe Courteau / Flat periwinkle {Littorina obtusata} Brittany France
01401138
Nick Upton / Flat periwinkle (Littorina obtusata / Littorina littoralis) on Toothed wrack (Fucus serratus) submerged at mid tide, near Falmouth, Cornwall, UK, August.
01399564
Alex Hyde / Selection of gastropods commonly found in rockpools, clockwise from top left: Periwinkle (Littorina compressa / nigrolineata), Dogwhelk (Nucella lapillus / Thaius lapillus), Common Flat Periwinkle (Li...
01399559
Alex Hyde / Common Flat Periwinkle (Littorina obtusata / littoralis) against white background. From the Isle of Skye, Inner Hebrides, Scotland, UK.
01366922
Alex Mustard / 2020VISION / Flat periwinkle (Littorina obtusata) feeding on kelp frond, Loch Carron, Ross and Cromarty, Scotland, UK, April
01262081
Philippe Clement / Shells of the Flat periwinkle (Littorina obtusata) showing colour variation, Brittany, France
01272011
Robert Thompson / Periwinkle {Littorina obtusata} camouflaged on seaweed, Ballyhenry Point, Strangford Lough, County Down, Northern Ireland, UK, September
01228123
Philippe Clement / Flat periwinkle (Littorina obtusata) shell on beach, Mediterranean, France
01228121
Philippe Clement / Flat periwinkle (Littorina obtusata) shell, Mediterranean, France
01228122
Philippe Clement / Flat periwinkle (Littorina obtusata) shell showing the aperture, Mediterranean, France
