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(Leidy, 1855)

Description:
Prostomium oval, a little longer than wide. Nuchal slits almost parallel, straight, long, almost of the same length as the head (C. torquata-anterior end).
4th chaetiger with collar. Anterior 4-8 chaetigers with complete glandular bands, posterior segments with glandular areas around the parapodia. No spines.
Pygidium with a short funnel, with 22-26 equal cirri.

Size:
Up to 150 mm for 18 chaetigers.

Tube:
Straight, cylindrical, often forked, covered with sand or shell fragments.

Colour:
Greenish-brown to reddish, with dark brown or red glandular areas.

Habitat:
Intertidal.

Distribution:
Southern North Sea, Newcastle. Introduced from North America.

Clymenella torquata