New reports of benthic species from the French coasts of the eastern English Channel and the North Sea.

New reports of benthic species from the french coasts of the eastern Englis h Channel and the North Sea. Twenty six benthic species from several phyla have been found for the first time in the French part of the eastern Englis h Channel and of the North sea : one Nematoda (Synonchus brevisetosus), one Nemertean (Tetrastemma helvolum), twelve polychaeta Annelida (Spio decorat us, Capitella giardi, Mediomastus fragilis, Phyllodoce longipes. Hesionura elongata, Glycera celtica, Glycera oxycephala, Nephtys assimilis, Myriochel e oculata. Chone filicaudata. Fabricia sabella and Protodriloides chaetifie r), one lamellibranchiata Mollusca (Ensis directus), five Bryozoans (Euryst rotos compacta, Scruparia ambigua, Amphiblestrum flemingii, Hippopodinella lata and Plesiothoa gigerium), one Phoronida (Phoronis muelleri), one Entop rocta (Pedicellina hispida) and four malacostracean Crustacea (Harpinia ant ennaria, Idotea metallica, Tanaopsis graciloides and Gastrosaccus sanctus). Their biotope and geographical distribution are discussed and compared wit h data from the literature.