Aglaophamus malmgreni (Théel, 1879) (redescription)
Alentia gelatinosa (M. Sars, 1835) (redescription)
Alitta virens (M. Sars, 1835) (redescription)
Amaeana trilobata (Sars, 1863) (redescription)
Amage auricula Malmgren, 1866 (redescription)
Ampharete acutifrons (Grube, 1860) (redescription)
Ampharete falcata Eliason, 1955 (redescription)
Ampharete finmarchica (M. Sars, 1865) (redescription)
Ampharete lindstroemi Hessle, 1917 (redescription)
Ampharete octocirrata (Sars, 1835) (basis of record)
Amphicteis gunneri (M. Sars, 1835) (redescription)
Amphitrite cirrata Müller, 1776 (redescription)
Amythasides macroglossus Eliason, 1955 (redescription)
Anobothrus gracilis (Malmgren, 1866) (redescription)
Anobothrus laubieri (Desbruyères, 1978) (basis of record)
Aonides oxycephala (Sars, 1862) (redescription)
Aonides paucibranchiata Southern, 1914 (redescription)
Aphrodita aculeata Linnaeus, 1758 (identification resource)
Apistobranchus tullbergi (Théel, 1879) (redescription)
Arenicola marina (Linnaeus, 1758) (redescription)
Aricidea albatrossae Pettibone, 1957 represented as Aricidea (Aricidea) albatrossae Pettibone, 1957 (redescription)
Aricidea catherinae Laubier, 1967 represented as Aricidea (Acmira) catherinae Laubier, 1967 (redescription)
Asychis biceps (M. Sars, 1861) accepted as Chirimia biceps biceps (Sars, 1861) (redescription)
Brada inhabilis (Rathke, 1843) (redescription)
Brada villosa (Rathke, 1843) accepted as Bradabyssa villosa (Rathke, 1843) (redescription)
Ceratocephale loveni Malmgren, 1867 (redescription)
Chaetoparia nilssoni Malmgren, 1867 (redescription)
Circeis spirillum (Linnaeus, 1758) (redescription)
Cirrophorus branchiatus Ehlers, 1908 (redescription)
Cirrophorus lyra (Southern, 1914) represented as Paradoneis lyra (Southern, 1914) (redescription)
Clymenura borealis (Arwidsson, 1906) (redescription)
Diplocirrus glaucus (Malmgren, 1867) (redescription)
Ditrupa arietina (O. F. Müller, 1776) (redescription)
Drilonereis filum (Claparède, 1868) (redescription)
Eclysippe Eliason, 1955 (source of synonymy)
Eteone barbata (Malmgren, 1865) accepted as Mysta barbata Malmgren, 1865 (redescription)
Eteone flava (Fabricius, 1780) (redescription)
Eteone foliosa Quatrefages, 1866 accepted as Hypereteone foliosa (Quatrefages, 1865) (redescription)
Eteone suecica Bergström, 1914 (redescription)
Euclymene droebachiensis (Sars, 1872) (redescription)
Eulalia bilineata (Johnston, 1840) (redescription)
Eulalia expusilla Pleijel, 1987 (redescription)
Eulalia mustela Pleijel, 1987 (redescription)
Eulalia viridis (Linnaeus, 1767) (redescription)
Eumida bahusiensis Bergstrom, 1914 (redescription)
Eumida ockelmanni Eibye-Jacobsen, 1987 (redescription)
Eumida sanguinea (Örsted, 1843) (redescription)
Eunereis longissima (Johnston, 1840) (redescription)
Eunice dubitata Fauchald, 1974 (redescription)
Eunice pennata (Müller, 1776) (redescription)
Eunoe nodosa (M. Sars, 1861) (redescription)
Euphrosine borealis Örsted, 1843 (redescription)
Eupolymnia nebulosa (Montagu, 1819) (redescription)
Eupolymnia nesidensis (Delle Chiaje, 1828) (redescription)
Euzonus flabelligerus [Auctt.] accepted as Thoracophelia flabellifera Ziegelmeier, 1955 (redescription)
Flabelligera affinis M. Sars, 1829 (redescription)
Galathowenia fragilis (Nilsen & Holthe, 1985) (basis of record)
Galathowenia oculata (Zachs, 1923) (redescription)
Gattyana amondseni (Malmgren, 1867) (redescription)
Gattyana cirrhosa (Pallas, 1766) (redescription)
Glycera alba (O.F. Müller, 1776) (redescription)
Glycera capitata Örsted, 1842 (redescription)
Glycera lapidum Quatrefages, 1866 (redescription)
Glycera unicornis Lamarck, 1818 (redescription)
Glycinde nordmanni (Malmgren, 1866) (redescription)
Goniada maculata Örsted, 1843 (redescription)
Goniada norvegica Örsted, 1845 (redescription)
Harmothoe antilopes McIntosh, 1876 (redescription)
Harmothoe extenuata (Grube, 1840) (redescription)
Harmothoe fragilis Moore, 1910 (redescription)
Harmothoe imbricata (Linnaeus, 1767) (redescription)
Hauchiella tribullata (McIntosh, 1869) (redescription)
Hediste diversicolor (O.F. Müller, 1776) (redescription)
Heteroclymene robusta Arwidsson, 1906 (redescription)
Hyalinoecia bilineata Baird, 1870 accepted as Aponuphis bilineata (Baird, 1870) (redescription)
Hyalinoecia tubicola (O.F. Müller, 1776) (redescription)
Hydroides norvegica Gunnerus, 1768 (redescription)
Laetmonice filicornis Kinberg, 1856 (redescription)
Lanassa nordenskioldi Malmgren, 1866 (redescription)
Lanice conchilega (Pallas, 1766) (redescription)
Laonice bahusiensis Söderström, 1920 (redescription)
Laonice cirrata (M. Sars, 1851) (redescription)
Laonice sarsi Söderström, 1920 (redescription)
Laonome kroyeri Malmgren, 1866 (redescription)
Lepidonotus squamatus (Linnaeus, 1758) (redescription)
Levinsenia gracilis (Tauber, 1879) (redescription)
Lumbrineris agastos Fauchald, 1974 accepted as Lumbrineris futilis Kinberg, 1865 (redescription)
Lumbrineris aniara Fauchald, 1974 (redescription)
Lumbrineris fragilis (O.F. Müller, 1776) accepted as Scoletoma fragilis (O.F. Müller, 1776) (redescription)
Lumbrineris latreilli Audouin & Milne Edwards, 1833 (redescription)
Lumbrineris tetraura (Schmarda, 1861) accepted as Scoletoma tetraura (Schmarda, 1861) (taxonomy source)
Lysilla loveni Malmgren, 1866 (redescription)
Lysippe Malmgren, 1866 (taxonomy source)
Lysippe fragilis (Wollebaek, 1912) (basis of record)
Lysippe labiata Malmgren, 1866 (redescription)
Lysippides Hessle, 1917 accepted as Lysippe Malmgren, 1866 (source of synonymy)
Malacoceros fuliginosus (Claparède, 1868) (redescription)
Malacoceros tetracerus (Schmarda, 1861) (redescription)
Maldane sarsi Malmgren, 1865 (redescription)
Malmgrenia arenicolae (Saint-Joseph, 1888) (redescription)