(M. Sars, 1861)
Description:
Body short and thick. Thorax with 8, abdomen with 24 chaetigers.
10-16 pairs of radioli, webbed for the half of their length. 5-8 tentacular filaments and two small palps. Dorsal surface of the abdomen with glandular areas visible as narrow transverse bands.
Collar a little higher ventrally, with a small ventral incision. Eyes absent.
The first chaetiger with capillary chaetae on notopodia. All thoracic notochaetae are winged capillaries; spatulate chaetae absent. Ventral hooks with long shafts.
Abdominal neuropodial chaetae are winged capillary chaetae. They are not geniculate. Notopodial uncini with 2-5 small teeth over the large terminal tooth.
11-12 posterior segments form a deep faecal funnel on the ventral side, with a membranous anterior margin.
Size:
Up to 25 mm.
Tube:
Unknown.
Colour:
Body pale pink, thoracic segments with red rings. Crown dark red, with yellow bands or white dots.
Habitat:
On soft substrata, sublittoral.
Distribution:
Arctic, North Atlantic to Mediterranean, English Channel, northern North Sea, Skagerrak, Kattegat and Ă–resund.