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Laubier, 1967

Description:
Antenna basally somewhat swollen. Nuchal slits oblique.
Notopodial postchaetal lobes in the first chaetigers small and oval, posteriorly becoming long and filamentous.
Neuropodial postchaetal lobes papilla-like.
Modified neuropodial chaetae with a distinct hood and terminal prolongation (that often falls off), starting at chaetiger 19-70.
Up to 25 pairs of gills, starting at chaetiger 4.
Pygidium with two long and one short cirrus.

Size:
Up to 8 mm for 75 segments.

Colour:
Living animal yellowish, with dark green pigmentation. In alcohol prostomium, gills and dorsolateral part of anterior segments with brown pigmentation.

Habitat:
Unknown.

Distribution:
Arctic, North Pacific, Atlantic to Paraguay, Mediterranean, northern North Sea to Skagerrak.

Aricidea catherinae