Description: Body long with numerous segments. Anterior segments broader than the following ones. Prostomium broadly conical with a small papilla at the tip. Two semicircular nuchal slits present. Without eyes or antenna. Notopodialpostchaetal lobes cirriform or finger-like, on the first chaetigers short, becoming longer in the branchial region, posteriorly thinner. Chaetae are capillaries. Additionally 2-7 winged spines present on neuropodia, starting at chaetiger 20-26. Up to 15 pairs of finger-shaped gills, starting at chaetiger 5-8; the median ones longest. Pygidium conical with two cirri.
Size: Up to 25 mm for 100 segments.
Colour: Colourless.
Habitat: Upper sublittoral to 2900 m.
Distribution: North Sea to Baltic Sea. Possibly cosmopolitan.
Kingdom Animalia Phylum Annelida Class Polychaeta Order Cirratulida Family Paraonidae Genus Levinsenia Species Levinsenia gracilis
