Apistobranchus tullbergi (Théel, 1879) (additional source)
Arabella iricolor (Montagu, 1804) (additional source)
Aricidea suecica Eliason, 1920 represented as Aricidea (Strelzovia) suecica Eliason, 1920 (additional source)
Austrolaenilla mollis (Sars, 1872) (additional source)
Autolytus alexandri Malmgren, 1867 accepted as Epigamia alexandri (Malmgren, 1867) (additional source)
Brania clavata (Claparède, 1863) accepted as Salvatoria clavata (Claparède, 1863) (additional source)
Bylgides elegans (Théel, 1879) (additional source)
Dysponetus pygmaeus Levinsen, 1879 (additional source)
Eteone flava (Fabricius, 1780) (additional source)
Eteone longa (Fabricius, 1780) (additional source)
Eulalia bilineata (Johnston, 1840) (additional source)
Eulalia viridis (Linnaeus, 1767) (additional source)
Eumida sanguinea (Örsted, 1843) (additional source)
Eunice pennata (Müller, 1776) (additional source)
Euphrosine borealis Örsted, 1843 (additional source)
Eusyllis blomstrandi Malmgren, 1867 (additional source)
Exogone (Exogone) dispar (Webster, 1879) accepted as Exogone dispar (Webster, 1879) (additional source)
Exogone (Exogone) verugera (Claparède, 1868) accepted as Exogone verugera (Claparède, 1868) (additional source)
Exogone (Parexogone) hebes (Webster & Benedict, 1884) accepted as Parexogone hebes (Webster & Benedict, 1884) (additional source)
Glycera capitata Örsted, 1842 (additional source)
Goniada maculata Örsted, 1843 (additional source)
Goniada norvegica Örsted, 1845 (additional source)
Levinsenia gracilis (Tauber, 1879) (additional source)
Lumbrineris fragilis (O.F. Müller, 1776) accepted as Scoletoma fragilis (O.F. Müller, 1776) (additional source)
Lumbrineris impatiens Claparède, 1868 accepted as Scoletoma laurentiana (Grube, 1863) (additional source)
Lumbrineris latreilli Audouin & Milne Edwards, 1833 (additional source)
Microphthalmus sczelkowii Mecznikow, 1865 (additional source)
Mystides borealis Théel, 1879 (additional source)
Neanthes succinea (Leuckart, 1847) accepted as Alitta succinea (Leuckart, 1847) (additional source)
Neanthes virens (M. Sars, 1835) accepted as Alitta virens (M. Sars, 1835) (additional source)
Neoleanira tetragona (Örsted, 1845) (additional source)
Nephtys incisa Malmgren, 1865 (additional source)
Nephtys longosetosa Örsted, 1842 (additional source)
Nephtys paradoxa Malm, 1874 (additional source)
Nereimyra punctata (Müller, 1788) (additional source)
Nereis zonata Malmgren, 1867 (additional source)
Parougia caeca (Webster & Benedict, 1884) (additional source)
Pholoe minuta (Fabricius, 1780) (additional source)
Scoloplos armiger (Müller, 1776) (additional source)
Sphaerosyllis erinaceus Claparède, 1863 accepted as Erinaceusyllis erinaceus (Claparède, 1863) (additional source)
Spinther citrinus (Stimpson, 1853) (additional source)
Sthenelais limicola (Ehlers, 1864) (additional source)
Streptosyllis varians Webster & Benedict, 1887 (additional source)
Syllides longocirratus (Örsted, 1845) (additional source)
Syllis cornuta Rathke, 1843 (additional source)
Syllis gracilis Grube, 1840 (additional source)
Tomopteris helgolandica Greeff, 1879 represented as Tomopteris (Johnstonella) helgolandica (Greeff, 1879) (additional source)
Travisiopsis levinseni Southern, 1910 (additional source)
Trochochaeta multisetosa (Örsted, 1844) (additional source)