Aglaophamus malmgreni (Théel, 1879) (redescription)
Alitta virens (M. Sars, 1835) (redescription)
Amaeana trilobata (Sars, 1863) (redescription)
Amage auricula Malmgren, 1866 (redescription)
Amagopsis Pergament & Khlebovich, 1964 accepted as Grubianella McIntosh, 1885 (source of synonymy)
Amagopsis klugei Pergament & Khlebovich, 1964 accepted as Grubianella klugei (Pergament & Khlebovich, 1964) (source of synonymy)
Ampharete acutifrons (Grube, 1860) (redescription)
Ampharete borealis (M. Sars, 1856) (basis of record)
Ampharete falcata Eliason, 1955 (redescription)
Ampharete finmarchica (M. Sars, 1865) (redescription)
Ampharete lindstroemi Hessle, 1917 (redescription)
Ampharete sibirica (Wirén, 1883) (basis of record)
Ampharete vega (Wirén, 1883) (redescription)
Amphicteis gunneri (M. Sars, 1835) (redescription)
Amphicteis ninonae Jirkov, 1985 (redescription)
Amphicteis sundevalli Malmgren, 1866 (redescription)
Amphitrite cirrata Müller, 1776 (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)
Arcteobia anticostiensis (Mcintosh, 1874) (redescription)
Arctonoe vittata (Grube, 1855) (redescription)
Arenicola marina (Linnaeus, 1758) (redescription)
Aricidea abranchiata Hartman, 1965 (redescription)
Aricidea catherinae Laubier, 1967 represented as Aricidea (Acmira) catherinae Laubier, 1967 (redescription)
Aricidea nolani Webster & Benedict, 1887 (redescription)
Aricidea quadrilobata Webster & Benedict, 1887 represented as Aricidea (Strelzovia) quadrilobata Webster & Benedict, 1887 (redescription)
Artacama proboscidea Malmgren, 1866 (redescription)
Asychis biceps (M. Sars, 1861) accepted as Chirimia biceps biceps (Sars, 1861) (redescription)
Axiothella catenata (Malmgren, 1865) (redescription)
Baffinia hesslei (Annenkova-Chlopina, 1924) (additional source)
Bathycanadia diaphana Levenstein, 1981 (redescription)
Bathymiranda microcephala Levenstein, 1981 (redescription)
Bathypolaria carinata Levenstein, 1981 (redescription)
Bispira crassicornis (Sars, 1851) (redescription)
Bispira fabricii (Krøyer, 1856) (redescription)
Brada granulosa Hansen, 1880 (redescription)
Brada incrustata Støp-Bowitz, 1948 (redescription)
Brada inhabilis (Rathke, 1843) (redescription)
Brada nuda Annenkova-Chlopina, 1922 accepted as Bradabyssa nuda (Annenkova-Chlopina, 1922) (redescription)
Brada ochotensis Annenkova-Chlopina, 1922 (redescription)
Brada villosa (Rathke, 1843) accepted as Bradabyssa villosa (Rathke, 1843) (redescription)
Bushiella (Bushiella) verruca (Fabricius in Mörch, 1863) (redescription)
Bushiella (Jugaria) granulata (Linnaeus, 1767) accepted as Janua heterostropha (Montagu, 1803) (redescription)
Bushiella (Jugaria) kofiadii Rzhavsky, 1988 (redescription)
Bushiella (Jugaria) quadrangularis (Stimpson, 1853) (redescription)
Bushiella (Jugaria) similis (Bush, 1905) (redescription)
Bylgides annenkovae Pettibone, 1993 (redescription)
Bylgides elegans (Théel, 1879) (redescription)
Bylgides groenlandicus (Malmgren, 1867) (redescription)
Bylgides promamme (Malmgren, 1867) (redescription)
Ceratocephale loveni Malmgren, 1867 (redescription)
Chauvinelia arctica Averincev, 1980 (additional source)
Chitinopoma serrula (Stimpson, 1853) (redescription)
Circeis spirillum (Linnaeus, 1758) (redescription)
Cirrophorus branchiatus Ehlers, 1908 (redescription)
Clymenura borealis (Arwidsson, 1906) (redescription)
Clymenura polaris (Théel, 1879) (redescription)
Diplocirrus glaucus (Malmgren, 1867) (redescription)
Diplocirrus hirsutus (Hansen, 1878) accepted as Saphobranchia hirsuta (Hansen, 1878) (redescription)
Diplocirrus longisetosus (Marenzeller, 1890) accepted as Saphobranchia longisetosa (Marenzeller, 1890) (redescription)
Dysponetus pygmaeus Levinsen, 1879 (redescription)
Eclysippe Eliason, 1955 (source of synonymy)
Enipo chuckchi Uschakov, 1982 (redescription)
Enipo gracilis Verrill, 1874 (redescription)
Enipo tamarae (Annenkova, 1952) (redescription)
Enipo torelli (Malmgren, 1865) (redescription)
Eteone barbata (Malmgren, 1865) accepted as Mysta barbata Malmgren, 1865 (redescription)
Eteone flava (Fabricius, 1780) (redescription)
Euchone analis (Krøyer, 1856) (redescription)
Euchone papillosa (Sars, 1851) (redescription)
Euclymene droebachiensis (Sars, 1872) (redescription)
Eucranta villosa Malmgren, 1865 (redescription)
Eulalia bilineata (Johnston, 1840) (redescription)
Eulalia hanssoni Pleijel, 1987 (redescription)
Eulalia viridis (Linnaeus, 1767) (redescription)
Eumida arctica (Annenkova, 1946) (additional source)
Eumida bahusiensis Bergstrom, 1914 (redescription)
Eumida sanguinea (Örsted, 1843) (redescription)
Eunice pennata (Müller, 1776) (redescription)
Eunoe barbata Moore, 1910 (redescription)
Eunoe clarki Pettibone, 1951 (redescription)
Eunoe depressa Moore, 1905 (redescription)
Eunoe globifera (Sars G.O., 1873) accepted as Harmothoe globifera (Sars G.O., 1873) (redescription)
Eunoe nodosa (M. Sars, 1861) (redescription)
Eunoe oerstedi Malmgren, 1865 (redescription)
Euphrosine borealis Örsted, 1843 (redescription)
Eupolymnia nebulosa (Montagu, 1819) (redescription)
Eupolymnia nesidensis (Delle Chiaje, 1828) (redescription)
Fabricia stellaris (Müller, 1774) (redescription)
Filograna implexa Berkeley, 1835 (redescription)
Flabelligera affinis M. Sars, 1829 (redescription)
Flabelligera bophortica Annenkova-Chlopina, 1924 (redescription)
Flabelligera mastigophora Annenkova, 1952 accepted as Annenkova mastigophora (Annenkova, 1952) (redescription)
Galathowenia fragilis (Nilsen & Holthe, 1985) (basis of record)
Galathowenia oculata (Zachs, 1923) (redescription)
Gattyana amondseni (Malmgren, 1867) (redescription)