Autolytinae Langerhans, 1879 (additional source)
Brania Quatrefages, 1866 (redescription)
Dioplosyllis Gidholm, 1962 (redescription)
Dioplosyllis cirrosa Gidholm, 1962 (redescription)
Eusyllinae Malaquin, 1893 (additional source)
Eusyllis Malmgren, 1867 (redescription)
Eusyllis blomstrandi Malmgren, 1867 (redescription)
Exogone Örsted, 1845 (redescription)
Exogone (Exogone) Örsted, 1845 (basis of record)
Exogone (Exogone) naidina Örsted, 1845 accepted as Exogone naidina Örsted, 1845 (redescription)
Exogone (Exogone) verugera (Claparède, 1868) accepted as Exogone verugera (Claparède, 1868) (redescription)
Exogone (Parexogone) Mesnil & Caullery, 1918 represented as Parexogone Mesnil & Caullery, 1918 (taxonomy source)
Exogone (Parexogone) hebes (Webster & Benedict, 1884) accepted as Parexogone hebes (Webster & Benedict, 1884) (redescription)
Exogoninae Langerhans, 1879 (additional source)
Langerhansia Czerniavsky, 1881 accepted as Syllis Lamarck, 1818 (source of synonymy)
Langerhansia cornuta (Rathke, 1843) accepted as Syllis cornuta Rathke, 1843 (source of synonymy)
Odontosyllis Claparède, 1863 (redescription)
Odontosyllis gibba Claparède, 1863 (redescription)
Opisthodonta Langerhans, 1879 (redescription)
Prosphaerosyllis San Martín, 1984 (additional source)
Prosphaerosyllis tetralix (Eliason, 1920) (redescription)
Pseudosyllis Grube, 1863 (source of synonymy)
Pseudosyllis brevipennis Grube, 1863 (source of synonymy)
Sphaerosyllis Claparède, 1863 (additional source)
Sphaerosyllis bulbosa Southern, 1914 (redescription)
Sphaerosyllis hystrix Claparède, 1863 (redescription)
Sphaerosyllis tetralix Eliason, 1920 accepted as Prosphaerosyllis tetralix (Eliason, 1920) (new combination reference)
Streptodonta pterochaeta (Southern, 1914) (additional source)
Streptosyllis Webster & Benedict, 1884 (redescription)
Streptosyllis websteri Southern, 1914 (redescription)
Syllidae Grube, 1850 (taxonomy source)
Syllidae Grube, 1850 (identification resource)
Syllides Örsted, 1845 (redescription)
Syllinae Grube, 1850 (additional source)
Syllis Lamarck, 1818 (additional source)
Syllis armillaris (O.F. Müller, 1776) (redescription)
Syllis variegata Grube, 1860 (redescription)
Trypanosyllis Claparède, 1864 (redescription)
Trypanosyllis coeliaca Claparède, 1868 accepted as Pseudosyllis brevipennis Grube, 1863 (redescription)
Typosyllis Langerhans, 1879 accepted as Syllis Lamarck, 1818 (source of synonymy)
Typosyllis (Typosyllis) Langerhans, 1879 accepted as Syllis Lamarck, 1818 (source of synonymy)
Typosyllis (Typosyllis) armillaris (O.F. Müller, 1776) accepted as Syllis armillaris (O.F. Müller, 1776) (source of synonymy)
Typosyllis (Typosyllis) variegata (Grube, 1860) accepted as Syllis variegata Grube, 1860 (source of synonymy)