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(Claparède, 1868)

Description:
Body long and thin.
Prostomium rounded pentagonal with four eyes with lenses, in a trapezoid arrangement. Often with two ocelli. Palps rounded triangular, longer than the prostomium, extending as two long and broad lips. All three antennae similar, oval or club-shaped, median antenna sometimes a little longer.
Tentacular cirri like the antennae or smaller. Dorsal cirri oval and as long as the parapodial lobes or a little smaller, missing on the second parapodium. Ventral cirri smaller. Acicula with a terminal button.
Blades of compound chaetae of different structure, 2 or 3 needle-like chaetae, the others short. Upper simple chaetae present on all parapodia. Posterior parapodia with an additional lower simple bidentate chaetae.
Pharynx with one anterior tooth.

Size:
Body up to 10 mm long for 62 segments.

Colour:
Transparent.

Habitat:
On mud or sand.

Distribution:
Pacific, Atlantic Ocean to the Mediterranean, southern North Sea, Skagerrak and Kattegat.

Exogone verugera