Anaitides maculata (Linnaeus, 1767) accepted as Phyllodoce maculata (Linnaeus, 1767) (additional source)
Eteone longa (Fabricius, 1780) (source of synonymy)
Eulalia bilineata (Johnston, 1840) (source of synonymy)
Eulalia viridis (Linnaeus, 1767) (additional source)
Eumida sanguinea (Örsted, 1843) (source of synonymy)
Euphrosine borealis Örsted, 1843 (additional source)
Eusyllis blomstrandi Malmgren, 1867 (source of synonymy)
Exogone verugera (Claparède, 1868) (additional source)
Gattyana cirrhosa (Pallas, 1766) (redescription)
Harmothoe fragilis Moore, 1910 (additional source)
Harmothoe imbricata (Linnaeus, 1767) (additional source)
Laetmonice filicornis Kinberg, 1856 (additional source)
Lumbrineris Blainville, 1828 (taxonomy source)
Lumbrineris fragilis (O.F. Müller, 1776) accepted as Scoletoma fragilis (O.F. Müller, 1776) (source of synonymy)
Marphysa sanguinea (Montagu, 1813) (additional source)
Nephtys incisa Malmgren, 1865 (additional source)
Nephtys paradoxa Malm, 1874 (additional source)
Nereis (Hediste) diversicolor O.F. Müller, 1776 accepted as Hediste diversicolor (O.F. Müller, 1776) (additional source)
Odontosyllis fulgurans (Audouin & Milne Edwards, 1833) (source of synonymy)
Sphaerodorum gracilis (Rathke, 1843) (source of synonymy)
Sthenelais limicola (Ehlers, 1864) (additional source)
Syllis cornuta Rathke, 1843 (source of synonymy)
Tomopteris helgolandica Greeff, 1879 represented as Tomopteris (Johnstonella) helgolandica (Greeff, 1879) (source of synonymy)