Anaitides maculata (Linnaeus, 1767) accepted as Phyllodoce maculata (Linnaeus, 1767) (basis of record)
Artacama proboscidea Malmgren, 1866 (additional source)
Calamyzinae Hartmann-Schröder, 1971 (original description)
Clymenura borealis (Arwidsson, 1906) (additional source)
Errantia (additional source)
Eteone flava (Fabricius, 1780) (additional source)
Eteone lactea Claparède, 1868 accepted as Hypereteone lactea (Claparède, 1868) (basis of record)
Euclymene praetermissa (Malmgren, 1865) accepted as Praxillella praetermissa (Malmgren, 1865) (basis of record)
Fabricia stellaris stellaris (O. F. Müller, 1774) (additional source)
Gyptis rosea (Malm, 1874) accepted as Neogyptis rosea (Malm, 1874) (taxonomy source)
Harmothoe micraspis Eliason, 1962 (additional source)
Hesioninae Grube, 1850 (status source)
Hesionura augeneri (Friedrich, 1937) accepted as Hesionura elongata (Southern, 1914) (additional source)
Jugaria Knight-Jones, 1978 represented as Bushiella (Jugaria) Knight-Jones, 1978 (additional source)
Lanassa venusta (Malm, 1874) (additional source)
Macellicephalinae Hartmann-Schröder, 1971 (original description)
Microphthalmidae Hartmann-Schröder, 1971 (original description)
Microphthalmus aberrans (Webster & Benedict, 1887) (additional source)
Mysta picta (Quatrefages, 1866) (basis of record)
Nereis elitoralis Eliason, 1962 accepted as Eunereis elitoralis (Eliason, 1962) (source of synonymy)
Nereis irrorata (Malmgren, 1867) accepted as Neanthes nubila (Savigny, 1822) (source of synonymy)
Odontosyllis ctenostoma Claparède, 1868 (additional source)
Onuphis quadricuspis M. Sars in G.O. Sars, 1872 accepted as Paradiopatra quadricuspis (M. Sars in G.O. Sars, 1872) (source of synonymy)
Opheliidae Malmgren, 1867 (taxonomy source)
Ophelininae Hartmann-Schröder, 1971 (original description)
Paradoneis armata Glémarec, 1966 (additional source)
Paraonis gracilis (Tauber, 1879) accepted as Levinsenia gracilis (Tauber, 1879) (basis of record)
Parophryotrocha Hartmann-Schröder, 1971 (original description)
Parophryotrocha isochaeta (Eliason, 1962) (basis of record)
Pirakia Bergström, 1914 accepted as Eumida Malmgren, 1865 (additional source)
Polydora caeca (Örsted, 1843) accepted as Dipolydora coeca (Örsted, 1843) (additional source)
Raphidrilinae Hartmann-Schröder, 1971 (original description)
Scionella lornensis Pearson, 1969 accepted as Pista lornensis (Pearson, 1969) (additional source)
Sedentaria (additional source)
Sosane gracilis (Malmgren, 1866) accepted as Anobothrus gracilis (Malmgren, 1866) (basis of record)
Thoracophelia flabellifera Ziegelmeier, 1955 (source of synonymy)
Travisiidae Hartmann-Schröder, 1971 (original description)