Amblyosyllis Grube, 1857 (redescription)
Amblyosyllis formosa (Claparède, 1863) accepted as Amblyosyllis spectabilis (Johnston in Baird, 1861) (additional source)
Autolytinae Langerhans, 1879 (additional source)
Brania Quatrefages, 1866 (redescription)
Brania clavata (Claparède, 1863) accepted as Salvatoria clavata (Claparède, 1863) (source of synonymy)
Brania limbata (Claparède, 1868) accepted as Salvatoria limbata (Claparède, 1868) (source of synonymy)
Brania pusilla (Dujardin, 1851) (redescription)
Dioplosyllis Gidholm, 1962 (redescription)
Dioplosyllis cirrosa Gidholm, 1962 (redescription)
Ehlersia Quatrefages, 1866 accepted as Syllis Lamarck, 1818 (source of synonymy)
Ehlersia cornuta (Rathke, 1843) accepted as Syllis cornuta Rathke, 1843 (source of synonymy)
Ehlersia ferrugina Langerhans, 1881 accepted as Paraehlersia ferrugina (Langerhans, 1881) (new combination reference)
Ehlersia ferrugina Langerhans, 1881 accepted as Paraehlersia ferrugina (Langerhans, 1881) (source of synonymy)
Eurysyllis Ehlers, 1864 (redescription)
Eurysyllis tuberculata Ehlers, 1864 (redescription)
Eusyllinae Malaquin, 1893 (additional source)
Eusyllis Malmgren, 1867 (redescription)
Eusyllis assimilis Marenzeller, 1875 (additional source)
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)
Haplosyllis spongicola (Grube, 1855) (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)
Myrianida inermis (Saint Joseph, 1887) (redescription)
Myrianida prolifera (O.F. Müller, 1788) (redescription)
Odontosyllis Claparède, 1863 (redescription)
Odontosyllis ctenostoma Claparède, 1868 (redescription)
Odontosyllis fulgurans (Audouin & Milne Edwards, 1833) (redescription)
Odontosyllis gibba Claparède, 1863 (redescription)
Opisthodonta Langerhans, 1879 (redescription)
Palposyllis Hartmann-Schröder, 1977 (redescription)
Palposyllis prosostoma Hartmann-Schröder, 1977 (redescription)
Paraehlersia San Martín, 2003 (original description)
Paraehlersia ferrugina (Langerhans, 1881) (redescription)
Pionosyllis Malmgren, 1867 (redescription)
Pionosyllis lamelligera Saint Joseph, 1887 accepted as Synmerosyllis lamelligera (Saint-Joseph, 1887) (redescription)
Procerastea Langerhans, 1884 (additional source)
Prosphaerosyllis San Martín, 1984 (additional source)
Prosphaerosyllis tetralix (Eliason, 1920) (redescription)
Pseudosyllis Grube, 1863 (source of synonymy)
Pseudosyllis brevipennis Grube, 1863 (source of synonymy)
Salvatoria McIntosh, 1885 (redescription)
Salvatoria clavata (Claparède, 1863) (redescription)
Salvatoria limbata (Claparède, 1868) (redescription)
Sphaerosyllis Claparède, 1863 (additional source)
Sphaerosyllis bulbosa Southern, 1914 (redescription)
Sphaerosyllis hystrix Claparède, 1863 (redescription)
Sphaerosyllis taylori Perkins, 1981 (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 bidentata Southern, 1914 (redescription)
Streptosyllis websteri Southern, 1914 (redescription)
Syllidae Grube, 1850 (taxonomy source)
Syllidae Grube, 1850 (identification resource)
Syllides Örsted, 1845 (redescription)
Syllides benedicti Banse, 1971 (redescription)
Syllinae Grube, 1850 (additional source)
Syllis Lamarck, 1818 (additional source)
Syllis (Ehlersia) Quatrefages, 1865 accepted as Syllis Lamarck, 1818 (source of synonymy)
Syllis (Ehlersia) cornuta Rathke, 1843 accepted as Syllis cornuta Rathke, 1843 (source of synonymy)
Syllis amica Quatrefages, 1866 (redescription)
Syllis armillaris (O.F. Müller, 1776) (redescription)
Syllis gracilis Grube, 1840 (redescription)
Syllis hyalina Grube, 1863 (redescription)
Syllis prolifera Krohn, 1852 (redescription)
Syllis variegata Grube, 1860 (redescription)
Syllis vittata Grube, 1840 (redescription)
Trypanosyllis Claparède, 1864 (redescription)
Trypanosyllis coeliaca Claparède, 1868 accepted as Pseudosyllis brevipennis Grube, 1863 (redescription)
Trypanosyllis zebra (Grube, 1860) (redescription)
Typosyllis Langerhans, 1879 accepted as Syllis Lamarck, 1818 (source of synonymy)
Typosyllis (Ehlersia) Quatrefages, 1865 accepted as Syllis Lamarck, 1818 (source of synonymy)
Typosyllis (Ehlersia) cornuta (Rathke, 1843) accepted as Syllis cornuta Rathke, 1843 (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) hyalina (Grube, 1863) accepted as Syllis hyalina Grube, 1863 (source of synonymy)
Typosyllis (Typosyllis) variegata (Grube, 1860) accepted as Syllis variegata Grube, 1860 (source of synonymy)
Typosyllis brevipennis (Grube, 1863) accepted as Pseudosyllis brevipennis Grube, 1863 (source of synonymy)
Typosyllis prolifera (Krohn, 1852) accepted as Syllis prolifera Krohn, 1852 (source of synonymy)
Typosyllis vittata (Grube, 1840) accepted as Syllis vittata Grube, 1840 (source of synonymy)