Claparède, 1868
Description:
Body long, strong, with 3 body regions.
Prostomium small, rounded, without antennae. Eyes small and obscure; 2 long strong palps.
Peristomium with two small tentacles. 
Anterior part of body consists of 11 segments with conical notopodia. Fourth notopodium with big, distally broadened, obliquely concave hooks (P. major-chaetae). Neuropodia absent. 
Middle body region of two very elongate segments with bi- or trilobed notopodia and bilobed neuropodia. 
Posterior body region of many short segments, with cylindrical notopodia and bilobed neuropodia. 
Size:
Up to 300 mm for over 170 segments. 
Tube: 
Cylindrical, straight, transparent.
Colour:
Palps and posterior end violet; rest of body yellow. Parapodia with a pink spot at the base.
Habitat:
10-300 m deep. 
Distribution:
Oslofjord, Mediterranean and West Africa.