Amalosoma nordpacificum accepted as Alomasoma nordpacificum Zenkevitch, 1958 (basis of record)
Amalosoma terminalis (basis of record)
Amythas lutzi [auct.] accepted as Amphisamytha lutzi (Desbruyères & Laubier, 1996) (basis of record)
Anobothrus ledanoisi (basis of record)
Antinoe mollis (M. Sars in G.O. Sars, 1872) accepted as Austrolaenilla mollis (Sars, 1872) (basis of record)
Aricidea (Allia) belgicae (Fauvel, 1936) accepted as Aricidea (Strelzovia) belgicae (Fauvel, 1936) (basis of record)
Aricidea ramosa Annenkova, 1934 represented as Aricidea (Strelzovia) ramosa Annenkova, 1934 (basis of record)
Aricidea tetrabranchiata [auctt.] accepted as Aricidea tetrabranchia Hartman & Fauchald, 1971 (basis of record)
Bonellia pumicea Sluiter, 1891 (basis of record)
Bonellia thomensis Fischer, 1922 (basis of record)
Bonelliopsis Fisher, 1946 (basis of record)
Bonelliopsis biscayensis (basis of record)
Branchamphinome Hartman, 1967 accepted as Pherecardites Horst, 1912 (additional source)
Castalia Savigny, 1822 accepted as Nereimyra Blainville, 1828 (basis of record)
Castalia punctata accepted as Nereimyra punctata (Müller, 1788) (basis of record)
Choanostomellia Zenkevitch, 1964 (basis of record)
Choanostomellia brevihiatus (basis of record)
Choanostomellia bruuni (Zenkevitch, 1964) (basis of record)
Choanostomellia filatovae (Zenkevitch, 1964) (basis of record)
Cirrophorus abranchiatus represented as Paradoneis abranchiata Hartman, 1965 (basis of record)
Cirrophorus lyriformis (Annenkova, 1934) accepted as Cirrophorus branchiatus Ehlers, 1908 (additional source)
Cirrophorus rubriceps (Hartman & Fauchald, 1971) accepted as Paraonides rubriceps Hartman & Fauchald, 1971 (basis of record)
Ecamphicteis Fauchald, 1972 (basis of record)
Ecamphicteis elongata Fauchald, 1972 (basis of record)
Eubonellia Fisher, 1946 (basis of record)
Eubonellia nordatlanticum accepted as Eubonellia noratlanticum DattaGupta, 1981 (basis of record)
Eurythoe borealis M. Sars, 1862 accepted as Pareurythoe borealis (M. Sars, 1862) (basis of record)
Eusamytha McIntosh, 1885 accepted as Samythella Verrill, 1873 (basis of record)
Eusamytha pacifica McIntosh, 1885 accepted as Samythella pacifica McIntosh, 1885 (basis of record)
Eusyllis bloomstrandi accepted as Eusyllis blomstrandi Malmgren, 1867 (basis of record)
Exogone furcigera (basis of record)
Flabelliderma Hartman, 1969 (additional source)
Flabelligella cirrata Hartman & Fauchald, 1971 accepted as Flabelligena cirrata (Hartman & Fauchald, 1971) (basis of record)
Flabelligella papillata Hartman, 1965 (basis of record)
Glycera rouxi [auctt. misspelling] accepted as Glycera rouxii Audouin & Milne Edwards, 1833 accepted as Glycera unicornis Lamarck, 1818 (additional source)
Glyphanostomum abyssale Day, 1967 (basis of record)
Hesione pantherina Risso, 1826 (additional source)
Jakobia Zenkevitch, 1958 (basis of record)
Lagisca hubrechti (McIntosh, 1900) accepted as Eunoe hubrechti (McIntosh, 1900) (additional source)
Lumbriclymene cylindricauda Sars, 1872 (basis of record)
Lumbrineris albidentata Ehlers, 1908 accepted as Augeneria albidentata (Ehlers, 1908) (additional source)
Lumbrineris gasconiensis [auct. genus error for Lumbrineriopsis] accepted as Lumbrineriopsis gasconiensis Miura, 1980 (basis of record)
Lumbrineris laubieri accepted as Lumbrinerides laubieri Miura, 1980 (basis of record)
Maxmuelleria verrucosum (Studer, 1879) (basis of record)
Melinnexis arctica Annenkova, 1931 accepted as Melinnopsis arctica (Annenkova, 1931) (basis of record)
Nellobia labiorhynchus (basis of record)
Nereis kerguelensis McIntosh, 1885 accepted as Neanthes kerguelensis (McIntosh, 1885) (basis of record)
Nothria hispanica Amoureux, 1972 accepted as Paradiopatra hispanica (Amoureux, 1972) (basis of record)
Nothria lepta Chamberlin, 1919 accepted as Paradiopatra lepta (Chamberlin, 1919) (basis of record)
Nothria rullieriana Amoureux, 1977 accepted as Onuphis rullieriana (Amoureux, 1977) (basis of record)
Ophelina groenlandica Støp-Bowitz, 1948 (basis of record)
Panthalis oerstedii accepted as Panthalis oerstedi Kinberg, 1856 (basis of record)
Paradoneis abranchiata Hartman, 1965 (basis of record)
Paramphinome pulchella M. Sars in G. Sars, 1872 accepted as Paramphinome jeffreysii (McIntosh, 1868) (additional source)
Paraonis neapolitana [auct.] accepted as Paraonides neapolitana (Cerruti, 1909) (basis of record)
Pholoe dorsipapillata Marenzeller, 1893 accepted as Pholoides dorsipapillatus (Marenzeller, 1893) (additional source)
Polynoe synophthalma McIntosh, 1885 accepted as Robertianella synophthalma McIntosh, 1885 (basis of record)
Proclymene mulleri [auct. misspelling] accepted as Proclymene muelleri (Sars, 1856) (basis of record)
Prometor Fisher, 1948 (basis of record)
Protobonellia Ikeda, 1908 (basis of record)
Protobonellia mitsukurii Ikeda, 1908 (basis of record)
Samythella elongata Verrill, 1873 (additional source)
Scoloplos thalassae Amoureux, 1982 accepted as Leodamas thalassae (Amoureux, 1982) (basis of record)
Sluiterina Monro, 1927 (additional source)
Sluiterina flabellorhynchus accepted as Sluiterina flabellorhynchum Murina, 1976 (basis of record)
Sluiterina vitjazi Murina, 1976 (basis of record)
Sphaerodorum gracile accepted as Sphaerodorum gracilis (Rathke, 1843) (basis of record)
Thalassema ovatum Sluiter, 1902 (basis of record)
Trochochaeta multisetorum [auct. misspelling for 'multisetosa'] accepted as Trochochaeta multisetosa (Örsted, 1844) (basis of record)
Typosyllis variegata (Grube, 1860) accepted as Syllis variegata Grube, 1860 (additional source)
Vitjazema Zenkevitch, 1958 (basis of record)
Vitjazema alappetus (basis of record)