Aporosyllis Quatrefages, 1866 accepted as Syllis Lamarck, 1818 (original description)
Autolytus Grube, 1850 accepted as Myrianida Milne Edwards, 1845 (additional source)
Autolytus agassizii Quatrefages, 1866 accepted as Myrianida prolifera (O.F. Müller, 1788) (original description)
Autolytus roseus Claparède, 1864 (additional source)
Autolytus rubrovittatus Claparède, 1864 (additional source)
Brania Quatrefages, 1866 (original description)
Brania pusilla (Dujardin, 1851) (status source)
Carobia Quatrefages, 1866 accepted as Nereiphylla Blainville, 1828 (original description)
Cystonereis Kölliker, 1846 accepted as Exogone Örsted, 1845 (additional source)
Ehlersia Quatrefages, 1866 accepted as Syllis Lamarck, 1818 (original description)
Eteone foliosa Quatrefages, 1866 accepted as Hypereteone foliosa (Quatrefages, 1865) (original description)
Eteone picta Quatrefages, 1866 accepted as Mysta picta (Quatrefages, 1866) (original description)
Eulalia impostii Quatrefages, 1865 (original description)
Eurysyllis lenta Quatrefages, 1866 accepted as Eurysyllis tuberculata Ehlers, 1864 (original description)
Exogone pusilla Dujardin, 1851 accepted as Brania pusilla (Dujardin, 1851) (new combination reference)
Glycera lapidum Quatrefages, 1866 (original description)
Gossia Quatrefages, 1866 accepted as Exogone Örsted, 1845 (original description)
Grubea Quatrefages, 1866 accepted as Salvatoria McIntosh, 1885 (original description)
Grubea clavata (Claparède, 1863) accepted as Salvatoria clavata (Claparède, 1863) (additional source)
Hemipodus Quatrefages, 1866 accepted as Hemipodia Kinberg, 1865 (original description)
Hesione steenstrupii Quatrefages, 1866 accepted as Hesione sicula Delle Chiaje, 1830 (original description)
Isosyllis Ehlers, 1864 accepted as Syllis Lamarck, 1818 (additional source)
Janua pagenstecheri (Quatrefages, 1866) accepted as Janua heterostropha (Montagu, 1803) (original description)
Johnstonia Quatrefages, 1866 (taxonomy source)
Johnstonia clymenoides Quatrefages, 1866 (additional source)
Kefersteinia Quatrefages, 1866 accepted as Psamathe Johnston, 1836 (original description)
Kefersteinia cirrhata (Keferstein, 1862) accepted as Psamathe cirrhata Keferstein, 1862 (new combination reference)
Krohnia Quatrefages, 1866 (original description)
Lugia Quatrefages, 1866 (original description)
Odontosyllis Claparède, 1863 (additional source)
Odontosyllis dugesiana Claparède, 1864 (additional source)
Odontosyllis fulgurans (Audouin & Milne Edwards, 1833) (additional source)
Ophelia borealis Quatrefages, 1866 (original description)
Orbinia Quatrefages, 1866 (original description)
Pagenstecheria Quatrefages, 1866 accepted as Syllis Lamarck, 1818 (original description)
Pectinariidae Quatrefages, 1866 (original description)
Petaloproctus Quatrefages, 1866 (original description)
Petaloproctus terricola Quatrefages, 1866 accepted as Petaloproctus terricolus Quatrefages, 1866 (original description)
Phenacia Quatrefages, 1866 accepted as Thelepus Leuckart, 1849 (original description)
Polybostrichus longosetus [auct.] accepted as Proceraea prismatica (O.F. Müller, 1776) (basis of record)
Polymastus Claparède, 1864 accepted as Eurysyllis Ehlers, 1864 (source of synonymy)
Polymastus paradoxus Claparède, 1864 accepted as Eurysyllis tuberculata Ehlers, 1864 (additional source)
Polyphysia Quatrefages, 1866 (original description)
Psamathe fusca Johnston, 1836 (additional source)
Pterosyllis Claparède, 1863 accepted as Amblyosyllis Grube, 1857 (additional source)
Sabella Linnaeus, 1767 (taxonomy source)
Sabellides Milne Edwards in Lamarck, 1838 accepted as Ampharete Malmgren, 1866 (additional source)
Sabellides Milne Edwards in Lamarck, 1838 accepted as Ampharete Malmgren, 1866 (status source)
Sacconereis helgolandica M. Müller, 1855 (additional source)
Schmardia Quatrefages, 1866 accepted as Exogone Örsted, 1845 (original description)
Spermosyllis Claparède, 1864 accepted as Exogone Örsted, 1845 (additional source)
Spermosyllis torulosa Claparède, 1864 accepted as Exogone (Exogone) torulosa (Claparède, 1864) (additional source)
Sphaerosyllis hystrix Claparède, 1863 (additional source)
Sphaerosyllis tenuicirrata Claparède, 1864 accepted as Salvatoria tenuicirrata (Claparède, 1864) (additional source)
Syllidia Quatrefages, 1865 (original description)
Syllidia armata Quatrefages, 1866 (original description)
Sylline [ sensu Claparède, 1864, non Grube, 1860 ] accepted as Exogone (Sylline) [ sensu Claparède, 1864, non Grube, 1860 ] accepted as Exogone Örsted, 1845 (additional source)
Sylline brevipes Claparède, 1864 accepted as Exogone (Sylline) brevipes (Claparède, 1864) (additional source)
Syllis amica Quatrefages, 1866 (original description)
Syllis armandi Claparède, 1864 accepted as Syllis prolifera Krohn, 1852 (additional source)
Syllis aurita Claparède, 1864 accepted as Syllis vittata Grube, 1840 (additional source)
Syllis clavata Claparède, 1863 accepted as Salvatoria clavata (Claparède, 1863) (new combination reference)
Syllis danica Quatrefages, 1866 accepted as Syllis armillaris (O.F. Müller, 1776) (original description)
Syllis gracilis Grube, 1840 (additional source)
Syllis hexagonifera Claparède, 1864 accepted as Syllis variegata Grube, 1860 (additional source)
Syllis longiseta Gosse, 1855 accepted as Exogone naidina Örsted, 1845 (new combination reference)
Syllis simillima Claparède, 1864 accepted as Syllis hyalina Grube, 1863 (additional source)
Terebella constrictor Montagu, 1819 accepted as Terebella lapidaria Linnaeus, 1767 (new combination reference)
Terebella gigantea Montagu, 1819 (additional source)
Terebella montagui Quatrefages, 1866 accepted as Amphitrite cirrata Müller, 1776 (original description)
Terebella nebulosa Montagu, 1819 accepted as Eupolymnia nebulosa (Montagu, 1819) (additional source)
Terebella venustula Montagu, 1819 accepted as Nicolea venustula (Montagu, 1819) (additional source)
Thylaciphorus Quatrefages, 1866 accepted as Amblyosyllis Grube, 1857 (original description)
Trypanosyllis Claparède, 1864 (additional source)
Trypanosyllis krohnii Claparède, 1864 (additional source)