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(Linnaeus, 1767)

Body short, conical, tapering towards scaphe.
Tentacular membrane low, broad, usually not folded and with 30-50 points. Dorsal brim smooth. Paleae are 3 short, most with blunt tips, 7-10 on each side. Notopodial chaetae on 17, uncini on 12 segments.
Scaphe with pointed lobes on the margin. Anal tongue and pygidial cirrus moderately long.

Up to 52 mm.

Slightly curved, conical masonry of sand grains, up to 60 mm long and 8 mm wide.

In life transparent, colourless with red gills. In alcohol yellowish grey.

Vertical distribution 2-250 m, mainly at depths less than 50 m.

Canadian Atlantic, New England, Canadian Arctic, East Siberian Sea, Bering Sea, Sea of Okhotsk, Kamchatka, Japan Sea, Alaska, Canadian Pacific. East Greenland, Iceland, the Faeroes, Finnmark, Spitzbergen.

Pectinaria granulata