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Müller O.F., 1779

Shell slender with an elongate outline, strongly drawn out posteriorly into a long spout. Anterior margin is rounded. Inequilateral, umbones in front of midline. Sculpture of fine concentric lines. Hinge line with 18 teeth anteriorly and 24 posteriorly (N. pernula).

Up to 23 mm long.

Dull white. Periostracum greenish-yellow, slightly glossy.

Animal with two short, fused siphons.

In depths between 9 and 900 metres in silty bottoms.

North Sea, western Baltic, from the arctic to Biscay and Atlantic coast of North America (Distr. N. pernula).

Nuculana pernula