Ampharete Malmgren, 1866 (additional source)
Ampharete acutifrons (Grube, 1860) (additional source)
Ampharete baltica Eliason, 1955 (additional source)
Aonides Claparède, 1864 (additional source)
Aonides oxycephala (Sars, 1862) (basis of record)
Aonides paucibranchiata Southern, 1914 (basis of record)
Aphelochaeta Blake, 1991 (additional source)
Aphelochaeta filiformis (Keferstein, 1862) (basis of record)
Aphelochaeta marioni (Saint-Joseph, 1894) (basis of record)
Aphelochaeta serrata (Eliason, 1962) accepted as Kirkegaardia serrata (Eliason, 1962) (basis of record)
Arenicola Lamarck, 1801 (additional source)
Arenicola marina (Linnaeus, 1758) (basis of record)
Aricidea Webster, 1879 (additional source)
Aricidea minuta Southward, 1956 represented as Aricidea (Aricidea) minuta Southward, 1956 (basis of record)
Autolytus Grube, 1850 accepted as Myrianida Milne Edwards, 1845 (additional source)
Autolytus edwardsii Saint Joseph, 1887 accepted as Myrianida edwarsi (Saint Joseph, 1887) (basis of record)
Autolytus prolifer (O. F. Müller, 1788) accepted as Myrianida prolifera (O.F. Müller, 1788) (additional source)
Capitella Blainville, 1828 (additional source)
Capitella capitata (Fabricius, 1780) (basis of record)
Capitella minima Langerhans, 1880 (additional source)
Caulleriella Chamberlin, 1919 (additional source)
Caulleriella alata (Southern, 1914) (additional source)
Caulleriella killariensis (Southern, 1914) accepted as Tharyx killariensis (Southern, 1914) (additional source)
Chaetozone Malmgren, 1867 (additional source)
Chaetozone setosa Malmgren, 1867 (additional source)
Cirratulus Lamarck, 1818 (additional source)
Cirriformia Hartman, 1936 (additional source)
Cirriformia tentaculata (Montagu, 1808) (basis of record)
Eteone Savigny, 1822 (additional source)
Eteone (Mysta) barbata (Malmgren, 1865) accepted as Eteone barbata (Malmgren, 1865) accepted as Mysta barbata Malmgren, 1865 (additional source)
Eteone flava (Fabricius, 1780) (basis of record)
Eteone foliosa Quatrefages, 1866 accepted as Hypereteone foliosa (Quatrefages, 1865) (basis of record)
Eteone longa (Fabricius, 1780) (basis of record)
Eulalia Savigny, 1822 (additional source)
Eulalia viridis (Linnaeus, 1767) (additional source)
Eumida Malmgren, 1865 (additional source)
Eumida bahusiensis Bergstrom, 1914 (basis of record)
Eumida sanguinea (Örsted, 1843) (basis of record)
Eunereis longissima (Johnston, 1840) (additional source)
Eunoe Malmgren, 1865 (additional source)
Eunoe nodosa (M. Sars, 1861) (basis of record)
Eusyllis blomstrandi Malmgren, 1867 (basis of record)
Euzonus Grube, 1866 accepted as Thoracophelia Ehlers, 1897 (additional source)
Euzonus flabelligerus [Auctt.] accepted as Thoracophelia flabellifera Ziegelmeier, 1955 (basis of record)
Exogone Örsted, 1845 (basis of record)
Exogone (Parexogone) hebes (Webster & Benedict, 1884) accepted as Parexogone hebes (Webster & Benedict, 1884) (additional source)
Gattyana cirrhosa (Pallas, 1766) (basis of record)
Glycera Lamarck, 1818 (additional source)
Glycera alba (O.F. Müller, 1776) (basis of record)
Glycera capitata Örsted, 1842 (basis of record)
Glycera convoluta Keferstein, 1862 accepted as Glycera tridactyla Schmarda, 1861 (basis of record)
Glycera tridactyla Schmarda, 1861 (basis of record)
Goniadella Hartman, 1950 (basis of record)
Goniadella bobrezkii (Annenkova, 1929) (additional source)
Harmothoe Kinberg, 1856 (additional source)
Harmothoe extenuata (Grube, 1840) (basis of record)
Harmothoe spinifera (Ehlers, 1864) (basis of record)
Hesionides Friedrich, 1937 (additional source)
Hesionides arenaria Friedrich, 1937 (basis of record)
Hesionura Hartmann-Schröder, 1958 (additional source)
Hesionura elongata (Southern, 1914) (basis of record)
Heteromastus Eisig, 1887 (additional source)
Lanice conchilega (Pallas, 1766) (additional source)
Lepidonotus Leach, 1816 (additional source)
Lepidonotus squamatus (Linnaeus, 1758) (basis of record)
Lumbrineris Blainville, 1828 (additional source)
Lumbrineris latreilli Audouin & Milne Edwards, 1833 (additional source)
Macrochaeta Grube, 1850 (additional source)
Macrochaeta helgolandica Friedrich, 1937 (basis of record)
Magelona F. Müller, 1858 (additional source)
Magelona filiformis Wilson, 1959 (additional source)
Magelona johnstoni Fiege, Licher & Mackie, 2000 (basis of record)
Malacoceros Quatrefages, 1843 (basis of record)
Malacoceros fuliginosus (Claparède, 1868) (basis of record)
Malacoceros vulgaris (Johnston, 1827) (additional source)
Malmgreniella castanea (McIntosh, 1876) accepted as Malmgrenia castanea McIntosh, 1876 (basis of record)
Malmgreniella glabra (Malmgren, 1866) accepted as Harmothoe glabra (Malmgren, 1865) (basis of record)
Malmgreniella ljungmani (Malmgren, 1867) accepted as Malmgrenia ljungmani (Malmgren, 1867) (basis of record)
Malmgreniella lunulata (Delle Chiaje, 1830) accepted as Malmgrenia lunulata (Delle Chiaje, 1830) (additional source)
Manayunkia Leidy, 1859 (additional source)
Manayunkia aestuarina (Bourne, 1883) (additional source)
Microphthalmus Mecznikow, 1865 (additional source)
Microphthalmus listensis Westheide, 1967 (basis of record)
Microphthalmus similis Bobretzky, 1870 (basis of record)
Monticellina Laubier, 1961 accepted as Kirkegaardia Blake, 2016 (additional source)
Monticellina dorsobranchialis (Kirkegaard, 1959) accepted as Kirkegaardia dorsobranchialis (Kirkegaard, 1959) (basis of record)
Myrianida Milne Edwards, 1845 (additional source)
Neanthes Kinberg, 1865 (basis of record)
Neanthes succinea (Leuckart, 1847) accepted as Alitta succinea (Leuckart, 1847) (basis of record)
Nephtys Cuvier, 1817 (additional source)
Nephtys assimilis Örsted, 1843 (basis of record)
Nephtys caeca (Fabricius, 1780) (basis of record)
Nephtys cirrosa Ehlers, 1868 (additional source)
Nephtys hombergii Savigny in Lamarck, 1818 (basis of record)
Nephtys longosetosa Örsted, 1842 (basis of record)
Nereis Linnaeus, 1758 (basis of record)
Nereis (Hediste) diversicolor O.F. Müller, 1776 accepted as Hediste diversicolor (O.F. Müller, 1776) (additional source)
Nereis pelagica Linnaeus, 1758 (basis of record)
Nicomache Malmgren, 1865 (additional source)
Notomastus latericeus Sars, 1851 (basis of record)