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(Sars, 1856)

Body short, posterior part of abdomen tapering towards pygidium.
Prostomium without glandular ridges or eyespots. Buccal segment ventrally long, with longitudinal folds.
Three pairs of gills united by a membrane. Gills in two groups, well separated and connected by a low membrane; the three gills of each group in a transverse row. Segment 3 achaetous. Seventeen thoracic segments with notopodia with capillary chaetae, the posterior fourteen also with neuropodia with uncini. Thirteen abdominal uncinigerous segments. Uncini with 2-3 rows of teeth with 4-8 teeth in each row (S. sexcirrata-detail).
Pygidium with round papillae.

Up to 25 mm.


In alcohol pale yellow or whitish.

Mainly on mud, occasionally on mixed bottoms; upper sublittoral to about 5000 m.

Canadian Atlantic, Arctic, North American Pacific (California). Svalbard, Norwegian Sea, Shetland, Norwegian coast, North Sea, Skagerrak, Kattegat, Swedish west coast, north coast of Jutland.

Samytha sexcirrata