Praxillella gracilis (M. Sars, 1861)

Synonyms:
Clymene gracilis Sars, 1861

Distinguishing characteristics
Cephalic plate oval, cephalic rim higher anteriorly and posteriorly weakly incised, palpod distinctly elongate.
Pygidium funnel-shaped with numerous short filamentous and 1 longer ventral cirrus.

Species description
Body long, cylindrical, head with oval cephalic plate. Cephalic rim higher anteriorly and posteriorly weakly incised. Palpod distinctly elongate. 18 chaetigers. Notopodial capillaries smooth with narrow or broad wings. Anterior 3 segments with 1-2 stout chaetae on the neuropodia. Other segments with normal hooks. Neurochaetae present on all chaetigers. Four pre-pygidial achaetous segments plus a callus ring. Pygidium funnel-shaped with numerous short filamentous and 1 longer ventral cirrus. Anal cone longer then cirri.

Size
Up to 55 mm.

Color

Habitat

Mobility
Sedentary.

Feeding
Surface deposit feeder.

Life cycle

Distribution
Arctic-atlantic-pacific shelf species.