Aglaophamus malmgreni (Théel, 1879) (additional source)
Ampharete acutifrons (Grube, 1860) (additional source)
Ampharetinae Malmgren, 1866 (basis of record)
Anaitides Czerniavsky, 1882 accepted as Phyllodoce Lamarck, 1818 (source of synonymy)
Anaitides mucosa (Örsted, 1843) accepted as Phyllodoce mucosa Örsted, 1843 (source of synonymy)
Aonides paucibranchiata Southern, 1914 (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)
Cirratulus cirratus (O. F. Müller, 1776) (additional source)
Ctenodrilidae Kennel, 1882 accepted as Ctenodrilinae Kennel, 1882 (status source)
Drilonereis filum (Claparède, 1868) (additional source)
Eclysippe vanelli (Fauvel, 1936) (additional source)
Eteone Savigny, 1822 (additional source)
Eteoninae Bergström, 1914 (basis of record)
Eulalia Savigny, 1822 (additional source)
Eumida Malmgren, 1865 (additional source)
Eunice pennata (Müller, 1776) (additional source)
Eupolymnia nebulosa (Montagu, 1819) (additional source)
Exogone (Exogone) verugera (Claparède, 1868) accepted as Exogone verugera (Claparède, 1868) (additional source)
Glycera alba (O.F. Müller, 1776) (additional source)
Glycera gigantea Quatrefages, 1866 accepted as Glycera fallax Quatrefages, 1850 (additional source)
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)
Harmothoe antilopes McIntosh, 1876 (additional source)
Harmothoe imbricata (Linnaeus, 1767) (additional source)
Harmothoe lunulata (Delle Chiaje, 1830) accepted as Malmgrenia lunulata (Delle Chiaje, 1830) (basis of record)
Hediste Malmgren, 1867 (additional source)
Hediste diversicolor (O.F. Müller, 1776) (additional source)
Hesionura Hartmann-Schröder, 1958 (additional source)
Hyalinoecia tubicola (O.F. Müller, 1776) (additional source)
Lagis Malmgren, 1866 (source of synonymy)
Lagis koreni Malmgren, 1866 (source of synonymy)
Laonice cirrata (M. Sars, 1851) (additional source)
Lepidonotus clava (Montagu, 1808) (additional source)
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)
Maldane sarsi Malmgren, 1865 (additional source)
Malmgrenia lunulata (Delle Chiaje, 1830) (source of synonymy)
Malmgreniella lunulata (Delle Chiaje, 1830) accepted as Malmgrenia lunulata (Delle Chiaje, 1830) (additional source)
Melinna cristata (M. Sars, 1851) (additional source)
Melinnidae Chamberlin, 1919 (additional source)
Mysta Malmgren, 1865 (additional source)
Neanthes succinea (Leuckart, 1847) accepted as Alitta succinea (Leuckart, 1847) (additional source)
Nephtys incisa Malmgren, 1865 (additional source)
Nereiphylla Blainville, 1828 (additional source)
Nereis (Neanthes) Kinberg, 1865 accepted as Neanthes Kinberg, 1865 (additional source)
Nereis (Neanthes) succinea Leuckart, 1847 accepted as Alitta succinea (Leuckart, 1847) (basis of record)
Nereis (Nereis) Linnaeus, 1758 accepted as Nereis Linnaeus, 1758 (basis of record)
Nereis pelagica Linnaeus, 1758 (additional source)
Nereis zonata Malmgren, 1867 (additional source)
Nicomache lumbricalis (Fabricius, 1780) (additional source)
Nothria conchylega (Sars, 1835) (additional source)
Notophyllum Örsted, 1843 (additional source)
Onuphis quadricuspis M. Sars in G.O. Sars, 1872 accepted as Paradiopatra quadricuspis (M. Sars in G.O. Sars, 1872) (basis of record)
Orbiniinae Hartman, 1942 (basis of record)
Paradoneis lyra (Southern, 1914) (additional source)
Paramphitrite Holthe, 1976 (additional source)
Paraonis fulgens (Levinsen, 1884) (basis of record)
Paraonis gracilis (Tauber, 1879) accepted as Levinsenia gracilis (Tauber, 1879) (source of synonymy)
Pectinaria (Amphictene) Savigny, 1822 accepted as Amphictene Savigny, 1822 (basis of record)
Pectinaria (Lagis) Malmgren, 1866 accepted as Lagis Malmgren, 1866 (basis of record)
Pectinaria (Lagis) koreni (Malmgren, 1866) accepted as Lagis koreni Malmgren, 1866 (additional source)
Phyllodoce Lamarck, 1818 (additional source)
Phyllodoce (Anaitides) Czerniavsky, 1882 accepted as Phyllodoce Lamarck, 1818 (basis of record)
Phyllodoce (Anaitides) mucosa Örsted, 1843 represented as Phyllodoce mucosa Örsted, 1843 (additional source)
Phyllodocinae Örsted, 1843 (basis of record)
Pista cristata (Müller, 1776) (additional source)
Poecilochaetus serpens Allen, 1904 (additional source)
Polychaeta (identification resource)
Polydora ciliata (Johnston, 1838) (additional source)
Polydora hoplura Claparède, 1868 (additional source)
Praxillella praetermissa (Malmgren, 1865) (additional source)
Prionospio (Prionospio) [auctorum] accepted as Prionospio Malmgren, 1867 (basis of record)
Prionospio cirrifera Wirén, 1883 (additional source)
Prionospio steenstrupi Malmgren, 1867 (additional source)
Protodorvillea kefersteini (McIntosh, 1869) (additional source)
Protomystides Czerniavsky, 1882 (additional source)
Protula tubularia (Montagu, 1803) (additional source)
Pseudomystides Bergström, 1914 (additional source)
Rhodine gracilior Tauber, 1879 (additional source)
Sabellaria spinulosa (Leuckart, 1849) (additional source)
Scolelepis (Parascolelepis) Maciolek, 1987 (basis of record)
Scolelepis (Scolelepis) Blainville, 1828 (basis of record)
Scolelepis squamata (Müller, 1806) represented as Scolelepis (Scolelepis) squamata (O.F. Muller, 1806) (additional source)
Scoloplos (Scoloplos) Blainville, 1828 represented as Scoloplos Blainville, 1828 (basis of record)
Scoloplos armiger (Müller, 1776) (additional source)
Serpula vermicularis Linnaeus, 1767 (additional source)
Sige Malmgren, 1865 (additional source)
Sphaerosyllis erinaceus Claparède, 1863 accepted as Erinaceusyllis erinaceus (Claparède, 1863) (additional source)
Sphaerosyllis hystrix Claparède, 1863 (additional source)
Spio filicornis (Müller, 1776) (additional source)
Sthenelais boa (Johnston, 1833) (additional source)