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(Tebble & Chambers, 1982)

Description:
A scale-worm with a body of uniform width.Dorsal and ventral surfaces smooth.
Prostomium bilobed, without peaks, with a median antenna, a pair of lateral antennae, laterally inserted, and a pair of palps. Two pairs of eyes, the anterior pair near the line of greatest width, the posterior pair in front of the rear margin. First segment bearing chaetae and a pair of dorsal and ventral tentacular cirri. Scales overlap, covering the body. The first pair of scales are round with smooth margins, the rest oval to kidney-shaped with a shallow anterior fold, the outer margins fringed with papillae and the surfaces covered with small tubercles. Notopodia are small mounds with a ventral acicular ligule and many chaetae. Notopodial chaetae spinose with blunt tips.
Neuropodia well developed with an anterior acicular ligule and chaetae. Neuropodial chaetae spinose on the terminal quarter, with bidentate tips and several in lower position with unidentate tips (M. mcintoshi-detail).

Size:
Up to 20 mm for 37 chaetigers.

Colour:
Unknown.

Habitat:
Sublittoral, 12-110 m, on gravel and coralline algae.

Distribution:
Northeast Atlantic, Skagerrak, Shetland, Roscoff area, Isle of Man, Clyde Sea (SW Scotland), Galway, and Celtic Sea.

Malmgrenia mcintoshi