Clymene lumbricoides [auct. misspelling] accepted as Euclymene lombricoides (Quatrefages, 1866) (basis of record)
Lumbriconereis coccinea (Renier, 1804) accepted as Lumbrineris coccinea (Renier, 1804) (basis of record)
Lumbriconereis fragilis (Müller, 1776) accepted as Scoletoma fragilis (O.F. Müller, 1776) (basis of record)
Lumbriconereis latreilli Audouin & Milne Edwards, 1833 accepted as Lumbrineris latreilli Audouin & Milne Edwards, 1833 (additional source)
Polymnia nesidensis (Delle Chiaje, 1828) accepted as Eupolymnia nesidensis (Delle Chiaje, 1828) (basis of record)
Spirorbis spirillum (Linnaeus, 1758) accepted as Circeis spirillum (Linnaeus, 1758) (basis of record)
Syllis hyalina Grube, 1863 (additional source)

North Sea for Ammotrypane aulogaster Rathke, 1843 
North Sea for Ampharete grubei Malmgren, 1865 
North Sea for Amphitrite johnstoni Malmgren, 1866 
North Sea for Aphrodita aculeata Linnaeus, 1758  (doubtful)
North Sea for Arenicola marina (Linnaeus, 1758) 
North Sea for Autolytus aurantiacus (Claparède, 1868) 
North Sea for Autolytus prolifer (O. F. Müller, 1788) 
North Sea for Capitella capitata (Fabricius, 1780) 
North Sea for Chaetopterus variopedatus (Renier, 1804) 
North Sea for Chaetozone setosa Malmgren, 1867 
North Sea for Cirratulus filiformis Keferstein, 1862 
North Sea for Clymene lumbricoides [auct. misspelling] 
North Sea for Dodecaceria concharum Örsted, 1843 
North Sea for Eone nordmanni Malmgren, 1866 
North Sea for Ephesia gracilis Rathke, 1843 
North Sea for Eteone lactea Claparède, 1868 
North Sea for Eteone picta Quatrefages, 1866 
North Sea for Eulalia punctifera (Grube, 1860) 
North Sea for Eulalia sanguinea Örsted, 1843 
North Sea for Eulalia viridis (Linnaeus, 1767) 
North Sea for Eunoe nodosa (M. Sars, 1861) 
North Sea for Euphrosine foliosa Audouin & H Milne Edwards, 1833 
North Sea for Filograna implexa Berkeley, 1835 
North Sea for Flabelligera affinis M. Sars, 1829 
North Sea for Gattyana cirrhosa (Pallas, 1766) 
North Sea for Glycera alba (O.F. Müller, 1776) 
North Sea for Glycera capitata Örsted, 1842 
North Sea for Glycera convoluta Keferstein, 1862 
North Sea for Glycera lapidum Quatrefages, 1866 
North Sea for Glycera rouxii Audouin & Milne Edwards, 1833 
North Sea for Harmothoe longisetis (Grube, 1863) 
North Sea for Harmothoe lunulata (Delle Chiaje, 1830) 
North Sea for Jasmineira elegans Saint-Joseph, 1894 
North Sea for Lagisca extenuata (Grube, 1840) 
North Sea for Lanice conchilega (Pallas, 1766) 
North Sea for Leiochone clypeata Saint-Joseph, 1894 
North Sea for Lepidasthenia argus Hodgson, 1900 
North Sea for Lumbriconereis coccinea (Renier, 1804) 
North Sea for Lumbriconereis fragilis (Müller, 1776) 
North Sea for Lumbriconereis impatiens Claparède, 1868 
North Sea for Lumbriconereis latreilli Audouin & Milne Edwards, 1833 
North Sea for Magelona papillicornis F. Müller, 1858  (inaccurate)
North Sea for Marphysa sanguinea (Montagu, 1813) 
North Sea for Neanthes flavipes Ehlers, 1868 
North Sea for Neanthes irrorata (Malmgren, 1867) 
North Sea for Neanthes virens (M. Sars, 1835) 
North Sea for Nephtys caeca (Fabricius, 1780) 
North Sea for Nephtys ciliata (Müller, 1788) 
North Sea for Nephtys cirrosa Ehlers, 1868 
North Sea for Nephtys hombergii Savigny in Lamarck, 1818 
North Sea for Nephtys longosetosa Örsted, 1842 
North Sea for Nephtys malmgreni Théel, 1879 
North Sea for Nephtys paradoxa Malm, 1874 
North Sea for Nephtys rubella Michaelsen, 1897 
North Sea for Nereis (Hediste) diversicolor O.F. Müller, 1776 
North Sea for Nereis (Neanthes) fucata (Savigny, 1822) 
North Sea for Nereis (Neanthes) kerguelensis McIntosh, 1885 
North Sea for Nereis (Neanthes) succinea Leuckart, 1847 
North Sea for Nereis longissima Johnston, 1840 
North Sea for Nereis pelagica Linnaeus, 1758 
North Sea for Nereis zonata Malmgren, 1867 
North Sea for Nerine bonnieri Mesnil, 1896 
North Sea for Nerine cirratulus (Delle Chiaje, 1831) 
North Sea for Nerinides cantabra Rioja, 1918 
North Sea for Nicolea venustula (Montagu, 1819) 
North Sea for Notomastus latericeus Sars, 1851 
North Sea for Ophelia limacina (Rathke, 1843) 
North Sea for Owenia fusiformis Delle Chiaje, 1844 
North Sea for Pectinaria (Lagis) koreni (Malmgren, 1866) 
North Sea for Petaloproctus terricola Quatrefages, 1866 
North Sea for Pholoe minuta (Fabricius, 1780) 
North Sea for Phyllodoce (Anaitides) groenlandica Örsted, 1842 
North Sea for Phyllodoce (Anaitides) lineata (Claparède, 1870) 
North Sea for Phyllodoce (Anaitides) maculata (Linnaeus, 1767) 
North Sea for Phyllodoce (Anaitides) mucosa Örsted, 1843 
North Sea for Phyllodoce lamelligera (Gmelin in Linnaeus, 1788) 
North Sea for Phyllodoce laminosa Savigny in Lamarck, 1818 
North Sea for Poecilochaetus serpens Allen, 1904 
North Sea for Polycirrus medusa Grube, 1850 
North Sea for Polydora ciliata (Johnston, 1838) 
North Sea for Polymnia nesidensis (Delle Chiaje, 1828) 
North Sea for Polynoe scolopendrina Savigny, 1822 
North Sea for Pomatoceros triqueter (Linnaeus, 1758) 
North Sea for Protula tubularia (Montagu, 1803) 
North Sea for Sabella pavonina Savigny, 1822 
North Sea for Sabellaria alveolata (Linnaeus, 1767) 
North Sea for Sabellaria spinulosa (Leuckart, 1849) 
North Sea for Scalibregma inflatum Rathke, 1843 
North Sea for Scalisetosus pellucidus (Ehlers, 1864) 
North Sea for Scolelepis ciliata (Keferstein, 1862) 
North Sea for Scolelepis fuliginosa (Claparède, 1868) 
North Sea for Scoloplos armiger (Müller, 1776) 
North Sea for Serpula vermicularis Linnaeus, 1767 
North Sea for Spinther oniscoides Johnson, 1845 
North Sea for Spio filicornis (Müller, 1776) 
North Sea for Spiophanes bombyx (Claparède, 1870) 
North Sea for Spirographis spallanzanii (Gmelin, 1791) 
North Sea for Spirorbis spirillum (Linnaeus, 1758) 
North Sea for Sthenelais boa (Johnston, 1833) 
North Sea for Stylarioides plumosa (O.F. Müller, 1776) 

 Spelling

 for Scolelepis Blainville, 1828

Various misspellings have entered the literature. Hartman catalogue reports Scolecolepis, Scolecolipis, ... [details]

 Spelling

 for Thelepus Leuckart, 1849

misspelling as Telepus [details]