Sue Daly / Netted dogwhelk (Nassarius reticulatus) moving across the seabed, Sark, British Channel Islands, UK, July.

Nick Upton / Aggregation of Netted dog whelks (Nassarius reticulatus) scavenging on rocks just below the low water tideline, Rhossili, The Gower Peninsula, UK, June.

Nick Upton / Seven Netted dog whelk (Nassarius retuculata) egg cases attached to a rock exposed at low tide, Lyme Regis, Dorset, UK, May

Christophe Courteau / Eggs of Netted dogwhelk {Nassarius reticulata} on seaweed. Brittany France

Philippe Clement / Netted dog whelk (Nassarius reticulatus / Hinia reticulata) shells on beach, Normandy, France

Philippe Clement / Fossils of the Netted dog whelk (Nassarius / Hinia reticulata) Belgium

Philippe Clement / Fossil of the Netted dog whelk (Nassarius / Hinia reticulata) on beach, Belgium

Philippe Clement / Two Netted dog whelk (Nassarius reticulatus / Hinia reticulata) shells, Normandy, France

Philippe Clement / Collection of shells: Common Mussel (Mytilus edulis), Baltic tellin shell (Macoma balthica), Rayed trough shell (Mactra stultorum cinerea / Mactra corallina cinerea), Netted dog whelk (Nassarius retic...

Philippe Clement / Netted dog whelk (Nassarius reticulatus / Hinia reticulata) shells, Belgium

Philippe Clement / Three Netted dog whelk (Nassarius reticulatus / Hinia reticulata) shells on beach, Belgium

Philippe Clement / Netted dog whelk (Nassarius reticulatus / Hinia reticulata) shell, Normandy, France