Aglaophamus malmgreni (Théel, 1879) (additional source)
Aglaophamus rubella (Michaelsen, 1897) accepted as Aglaophamus agilis (Langerhans, 1880) (additional source)
Ampharete acutifrons (Grube, 1860) (additional source)
Ampharete falcata Eliason, 1955 (additional source)
Ampharete grubei Malmgren, 1865 (source of synonymy)
Ampharetinae Malmgren, 1866 (basis of record)
Amphictene auricoma (O.F. Müller, 1776) (basis of record)
Amphictene auricoma (O.F. Müller, 1776) (source of synonymy)
Anaitides Czerniavsky, 1882 accepted as Phyllodoce Lamarck, 1818 (source of synonymy)
Anaitides groenlandica (Örsted, 1842) accepted as Phyllodoce groenlandica Örsted, 1842 (additional source)
Anaitides lineata (Claparède, 1870) accepted as Phyllodoce lineata (Claparède, 1870) (status source)
Anaitides longipes (Kinberg, 1866) accepted as Phyllodoce longipes Kinberg, 1866 (basis of record)
Anaitides longipes (Kinberg, 1866) accepted as Phyllodoce longipes Kinberg, 1866 (source of synonymy)
Anaitides maculata (Linnaeus, 1767) accepted as Phyllodoce maculata (Linnaeus, 1767) (additional source)
Anaitides mucosa (Örsted, 1843) accepted as Phyllodoce mucosa Örsted, 1843 (source of synonymy)
Anobothrus gracilis (Malmgren, 1866) (additional source)
Antinoe sarsi Kinberg in Malmgren, 1866 accepted as Bylgides sarsi (Kinberg in Malmgren, 1866) (additional source)
Aonides paucibranchiata Southern, 1914 (additional source)
Apistobranchus tullbergi (Théel, 1879) (additional source)
Aricidea catherinae Laubier, 1967 represented as Aricidea (Acmira) catherinae Laubier, 1967 (additional source)
Aricidea cerrutii Laubier, 1966 represented as Aricidea (Acmira) cerrutii Laubier, 1966 (additional source)
Aricidea suecica Eliason, 1920 represented as Aricidea (Strelzovia) suecica Eliason, 1920 (additional source)
Axionice maculata (Dalyell, 1853) accepted as Pista maculata (Dalyell, 1853) (additional source)
Brada villosa (Rathke, 1843) accepted as Bradabyssa villosa (Rathke, 1843) (additional source)
Capitomastus minimus (Langerhans, 1880) accepted as Capitella minima Langerhans, 1880 (additional source)
Caulleriella alata (Southern, 1914) (additional source)
Chaetoparia Malmgren, 1867 (additional source)
Cirratulus cirratus (O. F. Müller, 1776) (additional source)
Cossura longocirrata Webster & Benedict, 1887 (additional source)
Ctenodrilidae Kennel, 1882 accepted as Ctenodrilinae Kennel, 1882 (status source)
Diplocirrus glaucus (Malmgren, 1867) (additional source)
Drilonereis filum (Claparède, 1868) (additional source)
Eclysippe vanelli (Fauvel, 1936) (additional source)
Ephesiella peripatus [Auctt. not Johnston, 1845] accepted as Ephesiella abyssorum (Hansen, 1878) (additional source)
Eteone Savigny, 1822 (additional source)
Eteone flava (Fabricius, 1780) (additional source)
Eteone lactea Claparède, 1868 accepted as Hypereteone lactea (Claparède, 1868) (source of synonymy)
Eteone longa (Fabricius, 1780) (additional source)
Eteoninae Bergström, 1914 (basis of record)
Euchone analis (Krøyer, 1856) (additional source)
Eulalia Savigny, 1822 (additional source)
Eulalia bilineata (Johnston, 1840) (additional source)
Eulalia mustela Pleijel, 1987 (additional source)
Eumida Malmgren, 1865 (additional source)
Eunice pennata (Müller, 1776) (additional source)
Eupolymnia nebulosa (Montagu, 1819) (additional source)
Eupolymnia nesidensis (Delle Chiaje, 1828) (additional source)
Exogone (Exogone) verugera (Claparède, 1868) accepted as Exogone verugera (Claparède, 1868) (additional source)
Exogone (Parexogone) hebes (Webster & Benedict, 1884) accepted as Parexogone hebes (Webster & Benedict, 1884) (additional source)
Galathowenia oculata (Zachs, 1923) (additional source)
Genetyllis lutea Malmgren, 1865 accepted as Nereiphylla lutea (Malmgren, 1865) (source of synonymy)
Glycera lapidum Quatrefages, 1866 (additional source)
Glycera rouxii Audouin & Milne Edwards, 1833 accepted as Glycera unicornis Lamarck, 1818 (additional source)
Glycera tridactyla Schmarda, 1861 (additional source)
Glycinde nordmanni (Malmgren, 1866) (additional source)
Goniada norvegica Örsted, 1845 (additional source)
Harmothoe antilopes McIntosh, 1876 (additional source)
Harmothoe fragilis Moore, 1910 (additional source)
Harmothoe imbricata (Linnaeus, 1767) (additional source)
Harmothoe impar (Johnston, 1839) (additional source)
Hauchiella tribullata (McIntosh, 1869) (basis of record)
Hediste Malmgren, 1867 (additional source)
Hesionura Hartmann-Schröder, 1958 (additional source)
Hesionura elongata (Southern, 1914) (additional source)
Hyalinoecia tubicola (O.F. Müller, 1776) (additional source)
Hypereteone lactea (Claparède, 1868) (basis of record)
Kefersteinia cirrhata (Keferstein, 1862) accepted as Psamathe fusca Johnston, 1836 (additional source)
Lagis Malmgren, 1866 (source of synonymy)
Lagis koreni Malmgren, 1866 (source of synonymy)
Langerhansia cornuta (Rathke, 1843) accepted as Syllis cornuta Rathke, 1843 (additional source)
Laonice bahusiensis Söderström, 1920 (additional source)
Laonice cirrata (M. Sars, 1851) (additional source)
Laonice sarsi Söderström, 1920 (additional source)
Leanira tetragona (Örsted, 1845) accepted as Neoleanira tetragona (Örsted, 1845) (source of synonymy)
Lepidonotus squamatus (Linnaeus, 1758) (additional source)
Leptonereis glauca (Claparède, 1870) accepted as Websterinereis glauca (Claparède, 1870) (basis of record)
Leptonereis glauca (Claparède, 1870) accepted as Websterinereis glauca (Claparède, 1870) (source of synonymy)
Levinsenia gracilis (Tauber, 1879) (additional source)
Lumbrineris fragilis (O.F. Müller, 1776) accepted as Scoletoma fragilis (O.F. Müller, 1776) (basis of record)
Lumbrineris gracilis (Ehlers, 1868) accepted as Hilbigneris gracilis (Ehlers, 1868) (additional source)
Lumbrineris tetraura (Schmarda, 1861) accepted as Scoletoma tetraura (Schmarda, 1861) (basis of record)
Macrochaeta clavicornis (M. Sars, 1835) (additional source)
Macrochaeta polyonyx Eliason, 1962 accepted as Actaedrilus polyonyx (Eliason, 1962) (additional source)
Malacoceros fuliginosus (Claparède, 1868) (additional source)
Maldane sarsi Malmgren, 1865 (additional source)
Malmgrenia lunulata (Delle Chiaje, 1830) (source of synonymy)
Malmgrenia mcintoshi (Tebble & Chambers, 1982) (additional source)
Malmgreniella lunulata (Delle Chiaje, 1830) accepted as Malmgrenia lunulata (Delle Chiaje, 1830) (additional source)
Malmgreniella mcintoshi (Tebble & Chambers, 1982) accepted as Malmgrenia mcintoshi (Tebble & Chambers, 1982) (additional source)
Melinna cristata (M. Sars, 1851) (additional source)
Melinnidae Chamberlin, 1919 (additional source)
Mystides Théel, 1879 (additional source)
Mystides limbata Saint-Joseph, 1888 accepted as Pseudomystides limbata (Saint-Joseph, 1888) (basis of record)
Mystides limbata Saint-Joseph, 1888 accepted as Pseudomystides limbata (Saint-Joseph, 1888) (source of synonymy)
Neanthes succinea (Leuckart, 1847) accepted as Alitta succinea (Leuckart, 1847) (additional source)
Neoamphitrite groenlandica (Malmgren, 1866) (additional source)
Nephtys caeca (Fabricius, 1780) (additional source)
Nephtys ciliata (Müller, 1788) (additional source)
Nephtys hystricis McIntosh, 1900 (additional source)
Nephtys incisa Malmgren, 1865 (additional source)

Kattegat for Prionospio multibranchiata Berkeley, 1927 
North Sea for Prionospio multibranchiata Berkeley, 1927 
Skagerrak for Prionospio multibranchiata Berkeley, 1927 

 Authority

 for Aglaophamus malmgreni (Théel, 1879)

Théel, 1879 [details]

 Authority

 for Amblyosyllis Grube, 1857

The authorship of the genus was considered to be "Grube & Ørsted in Grube" by Salazar-Vallejo & Eibye-Jacobsen ... [details]

 Authority

 for Antinoella sarsi (Kinberg in Malmgren, 1866)

(Kinberg, 1865) [details]

 Authority

 for Autolytus prolifer (O. F. Müller, 1788)

(O.F. Müller, 1776) [details]

 Authority

 for Glycera gigantea Quatrefages, 1866

de Quatrefages, 1866 [details]

 Authority

 for Leucia nivea (M. Sars, 1863)

(Sars, 1863) [details]

 Authority

 for Malmgreniella lunulata (Delle Chiaje, 1830)

(Delle Chiaje, 1841) [details]

 Authority

 for Neanthes fucata (Savigny, 1822)

(Savigny, 1820) [details]

 Authority

 for Neanthes succinea (Leuckart, 1847)

Frey & Leuckart, 1847 [details]

 Authority

 for Neanthes virens (M. Sars, 1835)

(Sars, 1835) [details]

 Authority

 for Nephtys longosetosa Örsted, 1842

Oersted, 1843 [details]

 Authority

 for Ophryotrocha gracilis Huth, 1933

Huth, 1934 [details]

 Authority

 for Orbinia armandi (McIntosh, 1910)

McIntosh, 1910 [details]

 Authority

 for Phylo kupfferi (Ehlers, 1874)

(Ehlers, 1875) [details]

 Authority

 for Praxillura longissima Arwidsson, 1906

Arwidsson, 1907 [details]

 Authority

 for Pseudomystides spinachia Petersen & Pleijel in Pleijel, 1993

Pleijel, 1993 [details]

 Authority

 for Scolelepis foliosa (Audouin & Milne Edwards, 1833)

(Audouin & Millne Edwards, 1833) [details]

 Classification

 for Amphitritinae Malmgren, 1866

Genus Amphitrite belongs to Terebellinae, from Terebella. [details]

 Classification

 for Calamyzas amphictenicola Arwidsson, 1932

Calamyzas amphictenicola is a parasite that was originally placed as a syllid or later as Calamyzinae subfamily in ... [details]

 Diagnosis

 for Pistella Hartmann-Schröder, 1996

Original diagnosis by Hartmann-Schröder (1996: 520): "17 Borstensegmente im Thorax; Abdomen lang, mit zahlreichen ... [details]

 Distribution

 for Boccardia ligerica Ferronnière, 1898

Atlantic Ocean: western coast of Europe, from the Atlantic coast of France to Finland, in the Baltic Sea. [details]

 Distribution

 for Prionospio multibranchiata Berkeley, 1927

Before Hartmann's publication only known from North Pacific and Gulf of Mexico. Probably reasnably wide-spread in ... [details]

 Editor's comment

 for Cirratulus longisetis Möbius, 1874

Regarded as a synonym of C. setosa by Augener, probably correctly for the subsequent Arctic record of Bidenkap, but ... [details]

 Etymology

 for Ammotrypane aulogastrella Hartman & Fauchald, 1971

Not stated by the authors. The specific epithet aulogastrella is composed by the name of the species Ammotrypane ... [details]

 Etymology

 for Pistella Hartmann-Schröder, 1996

Not stated in the original description. The name of the genus is composed by the name of the genus Pista Malmgren, ... [details]

 Homonymy

 for Macrochaeta bansei Hartmann-Schröder, 1974

Macrochaeta bansei was used twice in 1974 by Hartmann-Schröder - this is the senior one, published in April, while ... [details]

 Homonymy

 for Macrochaeta natalensis Hartmann-Schröder, 1996

Macrochaeta natalensis is a replacement name for African Macrochaeta bansei Hartmann-Schröder, 1974 (homonym), ... [details]

 New combination

 for Polydora (Boccardiella) ligerica (Ferronnière, 1898)

Hartmann-Schröder (1996) treated Boccardiella as a subgenus of Polydora. This placement has not been adopted elsewhere [details]

 Nomenclature

 for Lacydonia eliasoni Hartmann-Schröder, 1996

Nom nov. for Lacydonia nahe L. miranda Marion & Bobretzky, 1875 of Eliason (1962). Magalhães et al. (2012:66) ... [details]

 Synonymy

 for Anaitides groenlandica (Örsted, 1842)

Often regarded as a subgenus of Phyllodoce: Phyllodoce (Anaitides) groenlandica; or sometimes regarded as accepted [details]

 Synonymy

 for Eunoe nodosa (M. Sars, 1861)

Synonymised with Harmothoe (Eunoe) nodosa Sars, 1861 [details]

 Synonymy

 for Harmothoe Kinberg, 1856

Synonym of Harmothoe Antinoella Malmgren, 1865. [details]

 Synonymy

 for Paradoneis eliasoni Mackie, 1991

Synonymised with Cirrophorus eliasoni (Mackie, 1991) [details]

 Synonymy

 for Paradoneis lyra (Southern, 1914)

Synonymised with Cirrophorus lyra (Southern, 1914) [details]

 Synonymy

 for Streblospio shrubsolii (Buchanan, 1890)

Has been synonymised with Streblospio benedicti Webster, 1879, but is distinct [details]

 Taxonomy

 for Minuspio Foster, 1971

Past use at generic and subgeneric levels, eg Maciolek (1985), Hartmann-Schröder, G. (1996), but currently ... [details]

 Taxonomy

 for Pseudeulalia Eliason, 1962

Pleijel (1991:245) refers that the main difference between Pseudeulalia and Protomystides Czerniavsky, 1882 is that ... [details]

 Validity

 for Eteone (Mysta) barbata (Malmgren, 1865)

Valid according to some sources as Eteone (Mysta) barbata (Malmgren, 1865) or Mysta barbata. Pleijel (1991) ... [details]

 Validity

 for Orbinia latreillii (Audouin & H Milne Edwards, 1833)

Valid as Orbinia (Orbinia) latreillii (Audouin & Milne Edwards, 1833) [details]