Amblyosyllis finmarchica (Malmgren, 1867) (additional source)
Autolytus cornutus Agassiz, 1862 accepted as Proceraea cornuta (Agassiz, 1862) (additional source)
Dysponetus pygmaeus Levinsen, 1879 (source of synonymy)
Enipo gracilis Verrill, 1874 (basis of record)
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, 1842 (additional source)
Eusyllis blomstrandi Malmgren, 1867 (source of synonymy)
Gattyana cirrhosa (Pallas, 1766) (redescription)
Harmothoe fragilis Moore, 1910 (additional source)
Harmothoe imbricata (Linnaeus, 1767) (additional source)
Laetmonice filicornis Kinberg, 1856 (additional source)
Lagisca rarispina (Sars, 1861) accepted as Harmothoe rarispina (M. Sars, 1861) (additional source)
Lumbrineris Blainville, 1828 (taxonomy source)
Lumbrineris fragilis (O.F. Müller, 1776) accepted as Scoletoma fragilis (O.F. Müller, 1776) (source of synonymy)
Microphthalmus sczelkowii Mecznikow, 1865 (taxonomy source)
Nephtys paradoxa Malm, 1874 (additional source)
Sphaerodorum gracilis (Rathke, 1843) (source of synonymy)
Sphaerosyllis erinaceus Claparède, 1863 accepted as Erinaceusyllis erinaceus (Claparède, 1863) (additional source)
Spinther citrinus (Stimpson, 1853) (taxonomy source)
Syllides longocirrata (Örsted, 1845) accepted as Syllides longocirratus (Örsted, 1845) (status source)
Syllis cornuta Rathke, 1843 (source of synonymy)
Trochochaeta Levinsen, 1884 (taxonomy source)
Trochochaetidae Pettibone, 1963 (original description)