Malmgren, 1867
Description:
Body thin and cylindrical.
8 Thoracic and about 70 abdominal segments.
5-8 pairs of radioli. Each half of the crown webbed for about two-thirds of length. Each side with eight radioli with long filamentous tips. Dorsal radioli have enlarged side-branches basally. Three tentacular filaments without side-branches ventrally.
Two short, rounded palps. Eyes absent.
Collar without dorsal gap; set low on first segment; base of crown showing well above collar margins.
Thoracic chaetae are long, winged capillaries and short spatulate chaetae. Neuropodia with hooks.
Abdominal neuropodial chaetae are thin, winged capillaries; abdominal notochaetae are uncini (C. duneri-detail).
Pygidium without papillae.
Size:
Up to 17 mm.
Tube:
Thin, encrusted with sand.
Colour:
Colourless.
Habitat:
On rock, sand or mud, between stones and seaweeds. Upper sublittoral to 1500 m.
Distribution:
Öresund, Skagerrak, Oslofjord, Shetlands, western Ireland.