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(Malmgren, 1867)

Prostomium of this scale-worm is somewhat broader than long, bilobed, with a peak on each lobe, median and lateral antennae papillate, and a pair of palps. Two pairs of eyes, the anterior pair below the prostomial peaks, a little more posterior than in Gattyana cirrosa , the posterior pair in front of the rear margin. Tentacular cirri similar to the median antenna. Scales overlap, covering the body. The first pair of scales are round, the remainder kidney-shaped; margins fringed with papillae, the surfaces covered with small conical tubercles with simple or bifid tips. Notopodia are small mounds with a ventral acicular ligule and numerous chaetae. Upper notopodial chaetae are stout with rows of spines and blunt tips; the lower notopodial chaetae are capillaries with fine tips. Neuropodia well developed, with an anterodorsal ligule and chaetae in rows. Neuropodial chaetae with several rows of spines on the swollen terminal part and unidentate tips (G. amondseni-detail).

Up to 29 mm for 36 chaetigers.

Body transparent. Each scale has a small dark central patch.

On mud; upper sublittoral to 700 m.

Arctic, North Pacific, North Atlantic to Öresund.

Gattyana amondseni