Alciopina parassitica Claparède & Panceri, 1867 represented as Alciopina parasitica Claparède & Panceri, 1867 (additional source)
Amblyosyllis formosa (Claparède, 1863) accepted as Amblyosyllis spectabilis (Johnston in Baird, 1861) (additional source)
Amblyosyllis lineata Grube, 1863 (source of synonymy)
Amblyosyllis madeirensis Langerhans, 1879 (source of synonymy)
Anaitides madeirensis (Langerhans, 1880) accepted as Phyllodoce madeirensis Langerhans, 1880 (additional source)
Anaitis lineata Claparède, 1870 accepted as Phyllodoce lineata (Claparède, 1870) (new combination reference)
Ancistrosyllis cingulata (Korschelt, 1893) (additional source)
Anoplonereis herrmanni Giard, 1882 (source of synonymy)
Anoplosyllis edentula Claparède, 1868 (additional source)
Anoplosyllis edentula Claparède, 1868 (source of synonymy)
Aphrodita aculeata Linnaeus, 1758 (additional source)
Arabella geniculata (Claparède, 1868) (additional source)
Arabella iricolor (Montagu, 1804) (additional source)
Autolytus aurantiacus (Claparède, 1868) accepted as Proceraea aurantiaca Claparède, 1868 (additional source)
Autolytus brachycephalus (Marenzeller, 1874) accepted as Myrianida brachycephala (Marenzeller, 1874) (additional source)
Autolytus rubropunctatus (Grube, 1860) accepted as Myrianida rubropunctata (Grube, 1860) (additional source)
Brania pusilla (Dujardin, 1851) (additional source)
Ceratonereis fallax (Quatrefages, 1866) (basis of record)
Ceratonereis hircinicola (Eisig, 1869) accepted as Composetia hircinicola (Eisig, 1869) (source of synonymy)
Chloeia venusta Quatrefages, 1866 (additional source)
Drilonereis filum (Claparède, 1868) (additional source)
Erinaceusyllis erinaceus (Claparède, 1863) (additional source)
Eteone (Mysta) picta (Quatrefages, 1866) accepted as Mysta picta (Quatrefages, 1866) (source of synonymy)
Eteone picta Quatrefages, 1866 accepted as Mysta picta (Quatrefages, 1866) (source of synonymy)
Eulalia bilineata (Johnston, 1840) (additional source)
Eulalia fuscescens Saint-Joseph, 1888 (source of synonymy)
Eulalia punctifera (Grube, 1860) accepted as Eumida punctifera (Grube, 1860) (source of synonymy)
Eulalia pusilla Ørsted, 1843 (source of synonymy)
Eulalia tripunctata McIntosh, 1874 (source of synonymy)
Eulalia viridis (Linnaeus, 1767) (additional source)
Eumida sanguinea (Örsted, 1843) (additional source)
Eunice gallica (Savigny in Lamarck, 1818) (basis of record)
Eunice harassii Audouin & Milne Edwards, 1833 accepted as Leodice harassii (Audouin & Milne Edwards, 1833) (additional source)
Eunice purpurea Grube, 1866 (additional source)
Eunice rubrocincta Ehlers, 1868 (source of synonymy)
Eunice torquata Quatrefages, 1866 accepted as Leodice torquata (Quatrefages, 1866) (source of synonymy)
Euphrosine foliosa Audouin & H Milne Edwards, 1833 (additional source)
Eurysyllis Ehlers, 1864 (additional source)
Eurysyllis tuberculata Ehlers, 1864 (additional source)
Eusyllinae Malaquin, 1893 (additional source)
Eusyllis Malmgren, 1867 (additional source)
Eusyllis assimilis Marenzeller, 1875 (additional source)
Eusyllis blomstrandi Malmgren, 1867 (additional source)
Eusyllis intermedia Saint-Joseph, 1887 (additional source)
Eusyllis lamelligera Marion & Bobretzky, 1875 (additional source)
Exogone (Exogone) torulosa (Claparède, 1864) (basis of record)
Exogone (Exogone) verugera (Claparède, 1868) accepted as Exogone verugera (Claparède, 1868) (additional source)
Exogone (Parexogone) hebes (Webster & Benedict, 1884) accepted as Parexogone hebes (Webster & Benedict, 1884) (additional source)
Exogone (Sylline) brevipes (Claparède, 1864) (additional source)
Exogone brevipes (Claparède, 1864) represented as Exogone (Sylline) brevipes (Claparède, 1864) (basis of record)
Exogone gemmifera Pagenstecher, 1862 accepted as Exogone naidina Örsted, 1845 (source of synonymy)
Exogone gemmifera Pagenstecher, 1862 accepted as Exogone naidina Örsted, 1845 (additional source)
Exogone hebes (Webster & Benedict, 1884) accepted as Parexogone hebes (Webster & Benedict, 1884) (basis of record)
Exogone verugera (Claparède, 1868) (basis of record)
Exogoninae Langerhans, 1879 (additional source)
Fauvelia Gravier, 1900 (additional source)
Fauvelia martinensis Gravier, 1900 (additional source)
Glycera alba (O.F. Müller, 1776) (additional source)
Glycera capitata Örsted, 1842 (additional source)
Glycera convoluta Keferstein, 1862 accepted as Glycera tridactyla Schmarda, 1861 (additional source)
Glycera gigantea Quatrefages, 1866 accepted as Glycera fallax Quatrefages, 1850 (source of synonymy)
Glycera polygona Risso, 1826 (basis of record)
Glycera tesselata Grube, 1863 (additional source)
Glycera unicornis Lamarck, 1818 (additional source)
Halosydna gelatinosa (Sars, 1835) accepted as Alentia gelatinosa (M. Sars, 1835) (source of synonymy)
Haplosyllis spongicola (Grube, 1855) (additional source)
Harmothoe impar (Johnston, 1839) (source of synonymy)
Harmothoe johnstoni (McIntosh, 1876) (additional source)
Harmothoe ljungmani (Malmgren, 1867) accepted as Malmgrenia ljungmani (Malmgren, 1867) (basis of record)
Harmothoe longisetis (Grube, 1863) (source of synonymy)
Harmothoe lunulata (Delle Chiaje, 1830) accepted as Malmgrenia lunulata (Delle Chiaje, 1830) (additional source)
Harmothoe pentactae (Giard, 1886) (basis of record)
Harmothoe reticulata (Claparède, 1870) (additional source)
Harmothoe setosissima (Lamarck, 1818) (basis of record)
Harmothoe spinifera (Ehlers, 1864) (additional source)
Hermodice carunculata (Pallas, 1766) (additional source)
Hesione pantherina Risso, 1826 (taxonomy source)
Histriobdella homari Beneden, 1858 (additional source)
Kefersteinia Quatrefages, 1866 accepted as Psamathe Johnston, 1836 (additional source)
Kefersteinia cirrhata (Keferstein, 1862) accepted as Psamathe fusca Johnston, 1836 (additional source)
Krohnia lepidota krohnii (Greeff, 1879) (additional source)
Laetmonice filicornis Kinberg, 1856 (additional source)
Lagisca extenuata (Grube, 1840) accepted as Harmothoe extenuata (Grube, 1840) (additional source)
Leocrates claparedii (Costa in Claparède, 1868) (additional source)
Lepidasthenia elegans (Grube, 1840) (additional source)
Lepidonotus brevicornis Quatrefages, 1866 (source of synonymy)
Lepidonotus clava (Montagu, 1808) (additional source)
Leptonereis glauca (Claparède, 1870) accepted as Websterinereis glauca (Claparède, 1870) (source of synonymy)
Lopadorrhynchus krohnii (Claparède, 1870) (additional source)
Lumbrineris contorta Quatrefages, 1866 (basis of record)
Lumbrineris humilis Quatrefages, 1866 (basis of record)
Lumbrineris obscura Quatrefages, 1866 (basis of record)
Lumbrineris pectinifera Quatrefages, 1843 (basis of record)
Lysidice galathina Savigny in Lamarck, 1818 (basis of record)
Lysidice ninetta Audouin & H Milne Edwards, 1833 (additional source)
Lysidice valentina Savigny in Lamarck, 1818 (basis of record)
Magalia perarmata Marion, 1874 accepted as Syllidia armata Quatrefages, 1866 (source of synonymy)
Marphysa sanguinea (Montagu, 1813) (additional source)
Myrianida pinnigera (Montagu, 1808) (additional source)
Mysta picta (Quatrefages, 1866) (additional source)