Abstract
The paper is a revision of the Norwegian nephtyids. The following species have been found in Norwegian waters: Nephtys hombergi, N. ciliala, N. longosetosa, N. caeca, N. paradoxa, N. incisa, Aglaophamus malmgreni and A. rubella. The ecological data existing for the present material are discussed and some comments are given on the geographical and bathymetrical distribution of the species.