Aphrodita echinus Quatrefages, 1866 accepted as Pontogenia chrysocoma (Baird, 1865) (source of synonymy)
Aricia norvegica M. Sars in G.O. Sars, 1872 accepted as Phylo norvegica (M. Sars in G.O. Sars, 1872) (source of synonymy)
Autolytus (Proceraea) ornatus Marion & Bobretzky, 1875 accepted as Myrianida rubropunctata (Grube, 1860) (source of synonymy)
Autolytus incertus Malmgren, 1867 accepted as Proceraea prismatica (O.F. Müller, 1776) (source of synonymy)
Autolytus prismaticus (O.F. Müller, 1776) accepted as Proceraea prismatica (O.F. Müller, 1776) (additional source)
Autolytus rubropunctatus (Grube, 1860) accepted as Myrianida rubropunctata (Grube, 1860) (additional source)
Ceratonereis costae (Grube, 1840) accepted as Composetia costae (Grube, 1840) (source of synonymy)
Chrysopetalum debile (Grube, 1855) (additional source)
Chrysopetalum fragile Ehlers, 1864 accepted as Chrysopetalum debile (Grube, 1855) (source of synonymy)
Euthalenessa dendrolepis (Claparède, 1868) accepted as Euthalenessa oculata (Peters, 1854) (source of synonymy)
Glycera convoluta Keferstein, 1862 accepted as Glycera tridactyla Schmarda, 1861 (additional source)
Glycera fallax Quatrefages, 1850 (source of synonymy)
Glycera folliculosa Ehlers, 1868 accepted as Glycera fallax Quatrefages, 1850 (source of synonymy)
Glycera gigantea Quatrefages, 1866 accepted as Glycera fallax Quatrefages, 1850 (additional source)
Glycera goesi Malmgren, 1867 accepted as Glycera unicornis Lamarck, 1818 (source of synonymy)
Glycera rouxii Audouin & Milne Edwards, 1833 accepted as Glycera unicornis Lamarck, 1818 (basis of record)
Glycera tridactyla Schmarda, 1861 (source of synonymy)
Harmothoe echinopustulata Fauvel, 1913 accepted as Leucia nivea (M. Sars, 1863) (original description)
Harmothoe joubini Fauvel, 1913 (original description)
Lagisca extenuata spinulosa Fauvel, 1913 (original description)
Lagisca hubrechti (McIntosh, 1900) accepted as Eunoe hubrechti (McIntosh, 1900) (new combination reference)
Leptonereis glauca (Claparède, 1870) accepted as Websterinereis glauca (Claparède, 1870) (source of synonymy)
Macellicephala abyssicola Fauvel, 1913 accepted as Bathyeliasona abyssicola (Fauvel, 1913) (original description)
Macellicephala grimaldii Fauvel, 1913 (original description)
Macellicephala macrophthalma Fauvel, 1913 represented as Macellicephala (Sinantenna) macrophthalma (Fauvel, 1913) (original description)
Nematonereis contorta (Quatrefages, 1866) accepted as Lumbrineris contorta Quatrefages, 1866 (basis of record)
Nematonereis grubei Quatrefages, 1866 accepted as Nematonereis unicornis (Grube, 1840) accepted as Lysidice unicornis (Grube, 1840) (basis of record)
Nematonereis oculata Ehlers, 1868 accepted as Lysidice oculata (Ehlers, 1868) (basis of record)
Nereis (Ceratonereis) ehlersiana Claparède, 1870 accepted as Composetia hircinicola (Eisig, 1869) (new combination reference)
Nereis (Nereilepas) parallelogramma Claparède, 1868 accepted as Nereis splendida Grube, 1840 (source of synonymy)
Nereis cylindrata Ehlers, 1868 accepted as Nereis zonata Malmgren, 1867 (source of synonymy)
Nereis falsa Quatrefages, 1866 accepted as Nereis splendida Grube, 1840 (additional source)
Nereis irrorata (Malmgren, 1867) accepted as Neanthes nubila (Savigny, 1822) (source of synonymy)
Nereis lucipeta Ehlers, 1908 (source of synonymy)
Nereis perivisceralis Claparède, 1868 (source of synonymy)
Nereis zonata Malmgren, 1867 (additional source)
Notophyllum coecum Fauvel, 1913 (original description)
Palmyra (Palmyrides) portus-veneris Claparède, 1864 accepted as Chrysopetalum debile (Grube, 1855) (source of synonymy)
Palmyra (Palmyropsis) evelinae Claparède, 1864 accepted as Chrysopetalum debile (Grube, 1855) (source of synonymy)
Palmyreuphrosyne Fauvel, 1913 (original description)
Palmyreuphrosyne paradoxa Fauvel, 1913 (original description)
Paralacydonia Fauvel, 1913 (original description)
Paralacydonia paradoxa Fauvel, 1913 (original description)
Perinereis macropus (Claparède, 1870) (additional source)
Polynoe caeciliae Fauvel, 1913 accepted as Gorgoniapolynoe caeciliae (Fauvel, 1913) (original description)
Pseudocapitella Fauvel, 1913 (original description)
Pseudocapitella incerta Fauvel, 1913 (original description)
Pseudohalosydna Fauvel, 1913 (original description)
Pseudohalosydna rosea Fauvel, 1913 (original description)
Sthenelais leiolepis Claparède, 1868 accepted as Sthenelais limicola (Ehlers, 1864) (source of synonymy)
Sthenelais limicola (Ehlers, 1864) (additional source)
Syllis armandi Claparède, 1864 accepted as Syllis prolifera Krohn, 1852 (source of synonymy)
Syllis aurita Claparède, 1864 accepted as Syllis vittata Grube, 1840 (source of synonymy)
Syllis borealis Malmgren, 1867 accepted as Syllis hyalina Grube, 1863 (source of synonymy)
Syllis hexagonifera Claparède, 1864 accepted as Syllis variegata Grube, 1860 (source of synonymy)
Syllis lussinensis Grube, 1863 accepted as Syllis prolifera Krohn, 1852 (source of synonymy)
Syllis macrocola Marenzeller, 1874 accepted as Syllis hyalina Grube, 1863 (source of synonymy)
Syllis oblonga Keferstein, 1862 accepted as Syllis variegata Grube, 1860 (source of synonymy)
Syllis pellucida Ehlers, 1864 accepted as Syllis hyalina Grube, 1863 (source of synonymy)
Syllis simillima Claparède, 1864 accepted as Syllis hyalina Grube, 1863 (source of synonymy)
Trypanosyllis krohnii Claparède, 1864 (source of synonymy)
Trypanosyllis zebra (Grube, 1860) (additional source)
Typosyllis hyalina (Grube, 1863) accepted as Syllis hyalina Grube, 1863 (additional source)
Typosyllis prolifera (Krohn, 1852) accepted as Syllis prolifera Krohn, 1852 (additional source)
Typosyllis variegata (Grube, 1860) accepted as Syllis variegata Grube, 1860 (additional source)
Typosyllis vittata (Grube, 1840) accepted as Syllis vittata Grube, 1840 (additional source)

 Etymology

 for Polynoe caeciliae Fauvel, 1913

There is no indication as to why Fauvel chose the name 'caeciliae. A caecilian is an almost blind burrowing lizard ... [details]

 Spelling

 for Macellicephala grimaldii Fauvel, 1913

Original spelling as 'grimaldii', not 'grimaldi', as stated in the database until the 2023-11-05. [details]

 Taxonomy

 for Chaetosyllis oerstedi Malmgren, 1867

Current taxon was considered as a junior synonym of Syllis cornuta Rathke, 1843 by Carus (1885: 228), Soulier ... [details]

 Taxonomy

 for Lagisca hubrechti (McIntosh, 1900)

Fauvel placed Evarne hubrechti in Lagisca because some ventral chaetae were bidentate in some specimens. Hartman ... [details]