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(McIntosh, 1903)

Body long, cylindrical, with numerous segments.
Prostomium pointed, conical, longer than wide.
Prechaetal lobes of anterior parapodia without a distinct shape, postchaetal lobes of anterior parapodia small and conical; both become longer in posterior segments, finger-like. Anterior parapodia with winged capillary chaetae only. Simple hooded hooks start on about chaetiger 20. These with 7-9 teeth, the main fang only slightly bigger. Aciculae and chaetae yellow.
Mandibles fused for two-thirds of their length, with a clear semicircular striation and anterior black colouration. Maxillae I hooked; maxillae II with 4 teeth; maxillae III and maxillae IV unidentate (A. hibernica-detail).

Over 60 mm for over 180 chaetigers.

Light salmon-coloured.

Found in mud and various mixtures of mud with sand, shell debris, gravel, rocks, slag and clay from 1.5 to 6000 m.

Northeast Atlantic from Norway to northwestern Spain.

Abyssoninoe hibernica