Amaeana trilobata (Sars, 1863) (additional source)
Ampharete finmarchica (M. Sars, 1865) (additional source)
Amphicteis gunneri (M. Sars, 1835) (additional source)
Amphitrite cirrata Müller, 1776 (additional source)
Antinoella sarsi (Kinberg in Malmgren, 1866) accepted as Bylgides sarsi (Kinberg in Malmgren, 1866) (additional source)
Aricidea simonae Laubier & Ramos, 1974 represented as Aricidea (Acmira) simonae Laubier & Ramos, 1974 (additional source)
Aricidea wassi Pettibone, 1965 represented as Aricidea (Aricidea) wassi Pettibone, 1965 (additional source)
Chrysopetalum fragile Ehlers, 1864 accepted as Chrysopetalum debile (Grube, 1855) (source of synonymy)
Cirrophorus furcatus (Hartman, 1957) (additional source)
Dipolydora caulleryi (Mesnil, 1897) (additional source)
Dipolydora giardi (Mesnil, 1893) (additional source)
Dipolydora quadrilobata (Jacobi, 1883) (additional source)
Dipolydora socialis (Schmarda, 1861) (additional source)
Ditrupa arietina (O. F. Müller, 1776) (additional source)
Euclymene droebachiensis (Sars, 1872) (additional source)
Eunereis elitoralis (Eliason, 1962) (additional source)
Eunoe nodosa (M. Sars, 1861) (additional source)
Heteroclymene Arwidsson, 1906 (additional source)
Heteroclymene robusta Arwidsson, 1906 (additional source)
Lumbrineris fragilis (O.F. Müller, 1776) accepted as Scoletoma fragilis (O.F. Müller, 1776) (source of synonymy)
Lumbrineris tetraura (Schmarda, 1861) accepted as Scoletoma tetraura (Schmarda, 1861) (source of synonymy)
Magelona rosea Moore, 1907 (additional source)
Minuspio cirrifera (Wirén, 1883) accepted as Prionospio cirrifera Wirén, 1883 (source of synonymy)
Odontosyllis gibba Claparède, 1863 (additional source)
Ophelia borealis Quatrefages, 1866 (additional source)
Ophiodromus flexuosus (Delle Chiaje, 1827) accepted as Oxydromus flexuosus (Delle Chiaje, 1827) (additional source)
Ophiodromus pallidus (Claparède, 1864) accepted as Oxydromus pallidus Claparède, 1864 (additional source)
Phyllodoce (Anaitides) groenlandica Örsted, 1842 represented as Phyllodoce groenlandica Örsted, 1842 (additional source)
Podarke pallida (Claparède, 1864) accepted as Oxydromus pallidus Claparède, 1864 (basis of record)
Polydora (Polydora) caulleryi Mesnil, 1897 accepted as Dipolydora caulleryi (Mesnil, 1897) (source of synonymy)
Polydora (Polydora) giardi Mesnil, 1893 accepted as Dipolydora giardi (Mesnil, 1893) (source of synonymy)
Polydora (Polydora) quadrilobata Jacobi, 1883 accepted as Dipolydora quadrilobata (Jacobi, 1883) (source of synonymy)
Polydora ligni Webster, 1879 accepted as Polydora cornuta Bosc, 1802 (source of synonymy)
Protomystides bidentata (Langerhans, 1880) (source of synonymy)
Sabellides octocirrata (M. Sars, 1835) accepted as Ampharete octocirrata (Sars, 1835) (additional source)
Scolelepis bonnieri (Mesnil, 1896) (additional source)
Scoletoma fragilis (O.F. Müller, 1776) (additional source)
Scoletoma impatiens (Claparède, 1868) accepted as Scoletoma laurentiana (Grube, 1863) (additional source)
Spio mecznikowianus Claparède, 1869 accepted as Microspio mecznikowiana (Claparède, 1869) (source of synonymy)
Streblospio shrubsolii (Buchanan, 1890) (additional source)
Syllis armillaris (O.F. Müller, 1776) (additional source)
Trypanosyllis coeliaca Claparède, 1868 accepted as Pseudosyllis brevipennis Grube, 1863 (additional source)
Typosyllis (Typosyllis) armillaris (O.F. Müller, 1776) accepted as Syllis armillaris (O.F. Müller, 1776) (source of synonymy)