Amaeana trilobata (Sars, 1863) (redescription)
Ampharete acutifrons (Grube, 1860) (redescription)
Ampharete finmarchica (M. Sars, 1865) (redescription)
Ampharete octocirrata (Sars, 1835) (basis of record)
Amphicteis gunneri (M. Sars, 1835) (redescription)
Amphitrite cirrata Müller, 1776 (redescription)
Aonides oxycephala (Sars, 1862) (redescription)
Aphrodita aculeata Linnaeus, 1758 (identification resource)
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)
Brada villosa (Rathke, 1843) accepted as Bradabyssa villosa (Rathke, 1843) (redescription)
Circeis spirillum (Linnaeus, 1758) (redescription)
Cirrophorus branchiatus Ehlers, 1908 (redescription)
Ditrupa arietina (O. F. Müller, 1776) (redescription)
Drilonereis filum (Claparède, 1868) (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)
Eupolymnia nebulosa (Montagu, 1819) (redescription)
Glycera alba (O.F. Müller, 1776) (redescription)
Glycera capitata Örsted, 1842 (redescription)
Glycera unicornis Lamarck, 1818 (redescription)
Goniada maculata Örsted, 1843 (redescription)
Harmothoe imbricata (Linnaeus, 1767) (redescription)
Hyalinoecia tubicola (O.F. Müller, 1776) (redescription)
Janua pagenstecheri (Quatrefages, 1866) accepted as Janua heterostropha (Montagu, 1803) (redescription)
Laetmonice filicornis Kinberg, 1856 (redescription)
Lanice conchilega (Pallas, 1766) (redescription)
Laonice cirrata (M. Sars, 1851) (redescription)
Laonome kroyeri Malmgren, 1866 (redescription)
Lepidonotus squamatus (Linnaeus, 1758) (redescription)
Levinsenia gracilis (Tauber, 1879) (redescription)
Lumbrineris latreilli Audouin & Milne Edwards, 1833 (redescription)
Lumbrineris tetraura (Schmarda, 1861) accepted as Scoletoma tetraura (Schmarda, 1861) (taxonomy source)
Maldane sarsi Malmgren, 1865 (redescription)
Marphysa bellii (Audouin & Milne Edwards, 1833) accepted as Paucibranchia bellii (Audouin & Milne Edwards, 1833) (redescription)
Melinna cristata (M. Sars, 1851) (redescription)
Melinna elisabethae McIntosh, 1885 (redescription)
Neoamphitrite Hessle, 1917 (taxonomy source)
Nephtys caeca (Fabricius, 1780) (redescription)
Nephtys ciliata (Müller, 1788) (redescription)
Nephtys longosetosa Örsted, 1842 (redescription)
Nephtys paradoxa Malm, 1874 (redescription)
Nereis pelagica Linnaeus, 1758 (redescription)
Nereis zonata Malmgren, 1867 (redescription)
Nicomache lumbricalis (Fabricius, 1780) (redescription)
Notophyllum foliosum (Sars, 1835) (redescription)
Ophelia limacina (Rathke, 1843) (redescription)
Ophelina acuminata Örsted, 1843 (redescription)
Orbinia cuvierii (Audouin & Milne Edwards, 1833) accepted as Orbinia sertulata (Savigny, 1822) (redescription)
Pareurythoe borealis (M. Sars, 1862) (redescription)
Pelagobia longicirrata Greeff, 1879 (redescription)
Pherusa plumosa (Müller, 1776) (redescription)
Phyllodoce groenlandica Örsted, 1842 (redescription)
Pista Malmgren, 1866 (additional source)
Pista cristata (Müller, 1776) (redescription)
Platynereis dumerilii (Audouin & Milne Edwards, 1833) (redescription)
Poecilochaetus serpens Allen, 1904 (redescription)
Polychaeta (identification resource)
Polycirrus plumosus (Wollebaek, 1912) (redescription)
Pomatoceros triqueter (Linnaeus, 1758) accepted as Spirobranchus triqueter (Linnaeus, 1758) (redescription)
Potamilla neglecta (Sars, 1851) (redescription)
Praxillella affinis (M. Sars in G.O. Sars, 1872) (redescription)
Praxillella gracilis (M. Sars, 1861) (redescription)
Praxillella praetermissa (Malmgren, 1865) (redescription)
Protula tubularia (Montagu, 1803) (redescription)
Pseudopotamilla reniformis (Bruguière, 1789) (redescription)
Pygospio elegans Claparède, 1863 (redescription)
Sabellides octocirrata (M. Sars, 1835) accepted as Ampharete octocirrata (Sars, 1835) (source of synonymy)
Samytha sexcirrata (M. Sars, 1856) (source of synonymy)
Scalibregma inflatum Rathke, 1843 (redescription)
Scoloplos armiger (Müller, 1776) (redescription)
Spio filicornis (Müller, 1776) (redescription)
Spiophanes bombyx (Claparède, 1870) (redescription)
Sternaspis scutata (Ranzani, 1817) (redescription)
Tomopteris septentrionalis Steenstrup, 1849 (redescription)
Travisiopsis levinseni Southern, 1910 (redescription)
Trichobranchus roseus (Malm, 1874) (redescription)
Trochochaeta multisetosa (Örsted, 1844) (redescription)
Typhloscolex muelleri Busch, 1851 (redescription)
Vanadis formosa Claparède, 1870 (redescription)