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A very solid little operculate shell, conical like an inverted ice-cream cone, with very flattened whorls and yellowish-brown colour. Lives in huge densities on estuarine sands and muds. The animal has pale tentacles with a black bar before the tip.
4-6 (-8) mm.
Distributed from northern Norway south through Europe to the Atlantic islands but not in the Mediterranean as variously reported in the past (Giusti et al., 1995). Distribution type: Oceanic Wide Temperate (61).
Widely distributed and abundant in coastal sands and muds in areas of slightly lowered salinity. Suitable habitat is often lacking on exposed coasts, as in many parts of western Ireland and on the north-east coast between the Bann Estuary in Londonderry and Larne Lough in Antrim.