(Mackie, 1991)
Description:
Body is cylindrical with up to 100 chaetigers.
Prostomium is short and conical, without eyes or antenna. Nuchal slits present. Prostomium and peristomium are fused; the the first chaetiger is ventrally fused with peristomium.
Notopodial postchaetal lobes on the first chaetiger short, papilla-like from chaetiger 4 onwards finger-like short again, posteriorly becoming longer and thinner.
All chaetae on the anterior segments are capillaries.
1-3 notopodial modified chaetae: forked, with a long and a short branch, starting at notopodium 4-8. Posterior 25-35 neuropodia with capillary chaetae and one weakly bent spine (C. eliasoni-detail).
Up to twelve pairs of finger-like, pointed gills, starting at chaetiger 4.
Pygidium with three cirri, the median somewhat shorter than the lateral ones.
Size:
Up to 7.2 mm for 86 segments.
Colour:
Colourless, anteriorly with small brown spots.
Habitat:
Usually on mud and sand; upper sublittoral to 680 m.
Distribution:
Arctic, North Sea to Ă–resund.