Philippe Clement / Lined top shells (Phorcus lineatus) in a rock pool, Normandy, France, June
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Philippe Clement / Lined top shells (Phorcus lineatus) and Common european limpets (Patella vulgata) in a rock pool, Normandy, France, June.
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Franco Banfi / True whelk sea snail (Buccinum sp) on rock. Tasiilaq, East Greenland. April.
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Franco Banfi / True whelk sea snail (Buccinum sp) on rock. Tasiilaq, East Greenland. April.
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Nick Upton / Thick / Toothed top shell (Phorcus lineatus), five exposed on rock at low tide. Cornwall, England, UK. September.
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Nick Upton / Dog whelk (Nucella lapillus) from Atlantic Ocean. Cornwall, England, UK. September.
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Chris Mattison / Rare purple form of Dog whelk (Nucella lapillus) on the shore at Nash Point, Glamorgan.
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Chris Mattison / Rare purple form of Dog whelk (Nucella lapillus) resting on a colony of honeycomb worms (Sabellaria alveolata) on the shore at Nash Point, Glamorgan.
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Robert Thompson / Dog whelk (Nucella lapillus) on rock. Mill Quarter Bay, Killard Point National Nature Reserve, Strangford, County Down, Northern Ireland. February.
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Robert Thompson / Dog whelk (Nucella lapillus) and Common barnacle (Semibalanus balanoides) on rock. Mill Quarter Bay, Killard Point National Nature Reserve, Strangford, County Down, Northern Ireland. February.
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Robert Thompson / Painted top shell (Calliostoma zizyphinum) and Common barnacle (Semibalanus balanoides) on rock at edge of Strangford Lough. Mill Quarter Bay, Killard Point National Nature Reserve, Strangford, County...
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Tony Wu / Ama diver searching rocks for shellfish including Sea snail (Turbo sazae). Futo Harbour, Izu Peninsula, Honshu, Japan. June 2010.