Aglaophamus malmgreni (Théel, 1879) (redescription)
Alitta virens (M. Sars, 1835) (redescription)
Amaeana trilobata (Sars, 1863) (redescription)
Amage auricula Malmgren, 1866 (redescription)
Ampharete acutifrons (Grube, 1860) (redescription)
Ampharete borealis (M. Sars, 1856) (basis of record)
Ampharete finmarchica (M. Sars, 1865) (redescription)
Ampharete lindstroemi Hessle, 1917 (redescription)
Ampharete octocirrata (Sars, 1835) (basis of record)
Ampharete sibirica (Wirén, 1883) (basis of record)
Ampharete vega (Wirén, 1883) (redescription)
Amphicteis gunneri (M. Sars, 1835) (redescription)
Amphicteis sundevalli Malmgren, 1866 (redescription)
Amphitrite cirrata Müller, 1776 (redescription)
Amphitrite figulus (Dalyell, 1853) represented as Neoamphitrite figulus (Dalyell, 1853) (redescription)
Anobothrus gracilis (Malmgren, 1866) (redescription)
Aphrodita aculeata Linnaeus, 1758 (identification resource)
Apistobranchus tullbergi (Théel, 1879) (redescription)
Arcteobia anticostiensis (Mcintosh, 1874) (redescription)
Arenicola marina (Linnaeus, 1758) (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)
Austrolaenilla mollis (Sars, 1872) (redescription)
Axiothella catenata (Malmgren, 1865) (redescription)
Bispira crassicornis (Sars, 1851) (redescription)
Brada inhabilis (Rathke, 1843) (redescription)
Brada villosa (Rathke, 1843) accepted as Bradabyssa villosa (Rathke, 1843) (redescription)
Bushiella (Jugaria) granulata (Linnaeus, 1767) accepted as Janua heterostropha (Montagu, 1803) (redescription)
Bylgides elegans (Théel, 1879) (redescription)
Bylgides groenlandicus (Malmgren, 1867) (redescription)
Bylgides promamme (Malmgren, 1867) (redescription)
Ceratocephale loveni Malmgren, 1867 (redescription)
Chitinopoma serrula (Stimpson, 1853) (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)
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)
Ditrupa arietina (O. F. Müller, 1776) (redescription)
Dysponetus pygmaeus Levinsen, 1879 (redescription)
Enipo gracilis Verrill, 1874 (redescription)
Enipo torelli (Malmgren, 1865) (redescription)
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)
Euchone analis (Krøyer, 1856) (redescription)
Euchone papillosa (Sars, 1851) (redescription)
Eucranta villosa Malmgren, 1865 (redescription)
Eulalia bilineata (Johnston, 1840) (redescription)
Eulalia viridis (Linnaeus, 1767) (redescription)
Eumida sanguinea (Örsted, 1843) (redescription)
Eunice norvegica (Linnaeus, 1767) (redescription)
Eunice pennata (Müller, 1776) (redescription)
Eunoe nodosa (M. Sars, 1861) (redescription)
Eunoe oerstedi Malmgren, 1865 (redescription)
Euphrosine borealis Örsted, 1843 (redescription)
Euphrosine cirrata Sars, 1862 (redescription)
Fabricia stellaris (Müller, 1774) (redescription)
Filograna implexa Berkeley, 1835 (redescription)
Flabelligera affinis M. Sars, 1829 (redescription)
Flabelligera mastigophora Annenkova, 1952 accepted as Annenkova mastigophora (Annenkova, 1952) (redescription)
Galathowenia oculata (Zachs, 1923) (redescription)
Gattyana amondseni (Malmgren, 1867) (redescription)
Gattyana cirrhosa (Pallas, 1766) (redescription)
Gattyana nutti Pettibone, 1955 (redescription)
Glycera alba (O.F. Müller, 1776) (redescription)
Glycera capitata Örsted, 1842 (redescription)
Glycinde nordmanni (Malmgren, 1866) (redescription)
Glyphanostomum pallescens (Théel, 1879) (redescription)
Goniada maculata Örsted, 1843 (redescription)
Goniada norvegica Örsted, 1845 (redescription)
Harmothoe extenuata (Grube, 1840) (redescription)
Harmothoe fragilis Moore, 1910 (redescription)
Harmothoe imbricata (Linnaeus, 1767) (redescription)
Harmothoe rarispina (M. Sars, 1861) (redescription)
Hediste diversicolor (O.F. Müller, 1776) (redescription)
Hyalinoecia tubicola (O.F. Müller, 1776) (redescription)
Hydroides norvegica Gunnerus, 1768 (redescription)
Laetmonice filicornis Kinberg, 1856 (redescription)
Lanassa nordenskioldi Malmgren, 1866 (redescription)
Laonice cirrata (M. Sars, 1851) (redescription)
Laonome kroyeri Malmgren, 1866 (redescription)
Laphania boecki Malmgren, 1866 (redescription)
Leaena abranchiata Malmgren, 1866 accepted as Leaena ebranchiata (M. Sars, 1865) (redescription)
Lepidonotus squamatus (Linnaeus, 1758) (redescription)
Levinsenia gracilis (Tauber, 1879) (redescription)
Lumbriclymene minor Arwidsson, 1906 (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 labiata Malmgren, 1866 (redescription)
Maldane sarsi Malmgren, 1865 (redescription)
Manayunkia aestuarina (Bourne, 1883) (redescription)
Marphysa bellii (Audouin & Milne Edwards, 1833) accepted as Paucibranchia bellii (Audouin & Milne Edwards, 1833) (redescription)

 Editor's comment

 for Grubianella cirratus (Kucheruk, 1976)

Basionym is orphan taxon in synonymised genus. Awaiting revision. Possibly a synonym. Close to G. antarctica fide ... [details]

 Editor's comment

 for Owenia lobopygidiata Uschakov, 1950

data-entry spelling error in species epithet of 'lobopygidata' corrected to 'lobopygidiata' [GBR June 2016] [details]

 Editor's comment

 for Poylphysia [auct. misspelling for 'Polyphysia']

Could not find a literature usage of the misspelling. It appears to be an original data-entry lapsus by Fauchald. [details]

 Editor's comment

 for Pterolysippe vanelli (Fauvel, 1936)

In the original database data entry for aphia 334692 Fauchald recorded the authority of Pterolysippe vanelli as ... [details]

 Editor's comment

 for Spio armata (Thulin, 1957)

As known records are from the shallows in the Baltic Sea, a deepsea presence seems unlikely. Inclusion as a deepsea ... [details]

 Etymology

 for Laetmonice uschakovi Jirkov, 1989

The species is named after Pavel Vladimirovich Uschakov [details]

 Homonymy

 for Sosane wireni Caullery, 1944

The recombination of Sosanopsis wireni Hessle, 1917 into Sosane makes Sosane wireni Caullery, 1944 an unreplaced ... [details]

 New combination

 for Nereis gracilis (Hansen, 1879)

As Nereis gracilis comb nov.. Jirkov gets the original genus spelling, and the original date wrong. He has ... [details]

 Spelling

 for Paramphinome jeffreisii [auctt.]

lapsus introduced in Jirkov (2001:248). [details]

 Synonymy

 for Eclysippe Eliason, 1955

Day (1964:118) tentatively placed Eclysippe in Samythella Verrill, and later (1973:113) confirmed this synonymy. ... [details]

 Synonymy

 for Lysippe sexcirrata (Sars, 1856)

Combination suggested if Samytha is synonym of Lysippe, but the proposal of this by Jirkov currently appears not to ... [details]

 Synonymy

 for Paramphitrite tetrabranchia Holthe, 1976

May be a junior synonym of Paramphitrite birulai (Ssolowiew, 1899) according to Jirkov (2001: 519). Subsequently ... [details]

 Synonymy

 for Sosanopsis Hessle, 1917

Although multiple authors regarded Sosanopsis as valid, including up to Hilbig (2000), in 2001 Jirkov merged it ... [details]

 Taxonomy

 for Eunoe barbata Moore, 1910

Pettibone 1954 included Eunoe barbata in Eunoe oerstedi. However Jirkov 2001 describes both and treats E. barbata ... [details]

 Taxonomy

 for Proclea malmgreni (Ssolowiew, 1899)

Solowetia malmgreni Ssolowiew, 1899 was considered to be a junior synonym of Proclea graffii (Langerhans, 1884) by ... [details]

 Taxonomy

 for Solowetia malmgreni Ssolowiew, 1899

Solowetia malmgreni Ssolowiew, 1899 was considered to be a junior synonym of Proclea graffii (Langerhans, 1884) by ... [details]