Acmira catherinae (Laubier, 1967) represented as Aricidea (Acmira) catherinae Laubier, 1967 (additional source)
Aglaophamus circinata (Verrill in Smith & Harger, 1874) (additional source)
Aglaophamus verrilli (McIntosh, 1885) (additional source)
Amaeana trilobata (Sars, 1863) (additional source)
Ampharete acutifrons (Grube, 1860) (additional source)
Ampharete lindstroemi Hessle, 1917 (additional source)
Ampharete parvidentata Day, 1973 (additional source)
Amphicteis gunneri (M. Sars, 1835) (additional source)
Ancistrosyllis carolinensis Gardiner, 1976 (additional source)
Ancistrosyllis groenlandica McIntosh, 1878 (additional source)
Ancistrosyllis hartmanae Pettibone, 1966 (additional source)
Ancistrosyllis jonesi Pettibone, 1966 (additional source)
Aonides mayaguezensis Foster, 1969 (additional source)
Apoprionospio dayi Foster, 1969 (additional source)
Arabella iricolor (Montagu, 1804) (additional source)
Arabella multidentata (Ehlers, 1887) accepted as Arabella iricolor (Montagu, 1804) (basis of record)
Arabella mutans (Chamberlin, 1919) (additional source)
Arenicola cristata Stimpson, 1856 (additional source)
Aricidea nolani Webster & Benedict, 1887 (additional source)
Armandia agilis (Andrews, 1891) (additional source)
Armandia maculata (Webster, 1884) (additional source)
Autolytus dentalius Imajima, 1966 accepted as Myrianida dentalia (Imajima, 1966) (additional source)
Boguea enigmatica Hartman, 1945 (additional source)
Brada villosa (Rathke, 1843) accepted as Bradabyssa villosa (Rathke, 1843) (additional source)
Brania clavata (Claparède, 1863) accepted as Salvatoria clavata (Claparède, 1863) (additional source)
Brania wellfleetensis Pettibone, 1956 (additional source)
Cabira incerta Webster, 1879 (additional source)
Capitella capitata (Fabricius, 1780) (additional source)
Cenogenus brevipes (McIntosh, 1903) (additional source)
Ceratocephale oculata Banse, 1977 (additional source)
Ceratonereis irritabilis (Webster, 1879) accepted as Parasetia irritabilis (Webster, 1879) (additional source)
Ceratonereis versipedata (Ehlers, 1887) accepted as Composetia versipedata (Ehlers, 1887) (additional source)
Chaetopterus variopedatus (Renier, 1804) (additional source)
Chaetozone setosa Malmgren, 1867 (additional source)
Chloeia viridis Schmarda, 1861 (additional source)
Chone duneri Malmgren, 1867 (additional source)
Cirratulus filiformis Keferstein, 1862 accepted as Aphelochaeta filiformis (Keferstein, 1862) (additional source)
Cirratulus grandis Verrill, 1873 accepted as Cirriformia grandis (Verrill, 1873) (additional source)
Cirrophorus branchiatus Ehlers, 1908 (additional source)
Cirrophorus furcatus (Hartman, 1957) (additional source)
Cirrophorus lyra (Southern, 1914) represented as Paradoneis lyra (Southern, 1914) (additional source)
Clymenella torquata (Leidy, 1855) (additional source)
Cossura delta Reish, 1958 (additional source)
Cossura longocirrata Webster & Benedict, 1887 (additional source)
Cossura soyeri Laubier, 1964 (additional source)
Dasybranchus lumbricoides Grube, 1878 (additional source)
Dasybranchus lunulatus Ehlers, 1887 (additional source)
Dayipsammolyce ctenidophora (Day, 1973) (basis of record)
Demonax microphthalmus (Verrill, 1873) accepted as Parasabella microphthalma (Verrill, 1873) (additional source)
Dentatisyllis carolinae (Day, 1973) (additional source)
Diopatra cuprea (Bosc, 1802) (additional source)
Diopatra tridentata Hartman, 1944 (additional source)
Diplocirrus capensis Day, 1961 (additional source)
Dipolydora socialis (Schmarda, 1861) (additional source)
Dispio uncinata Hartman, 1951 (additional source)
Dodecaceria coralii (Leidy, 1855) (additional source)
Drilonereis longa Webster, 1879 (additional source)
Drilonereis magna Webster & Benedict, 1887 (additional source)
Enoplobranchus sanguineus (Verrill, 1873) (additional source)
Eteone heteropoda Hartman, 1951 accepted as Hypereteone heteropoda (Hartman, 1951) (additional source)
Eteone lactea Claparède, 1868 accepted as Hypereteone lactea (Claparède, 1868) (additional source)
Eteone longa (Fabricius, 1780) (additional source)
Euchone incolor Hartman, 1965 (additional source)
Eulalia bilineata Webster & Benedict, 1887 accepted as Eulalia bilineata (Johnston, 1840) (additional source)
Eumida sanguinea (Örsted, 1843) (additional source)
Eunice norvegica (Linnaeus, 1767) (additional source)
Eunice pennata (Müller, 1776) (additional source)
Eunice vittata (Delle Chiaje, 1828) (additional source)
Eunice websteri Fauchald, 1969 (additional source)
Eusyllis lamelligera Marion & Bobretzky, 1875 (additional source)
Exogone dispar (Webster, 1879) (additional source)
Exogone verugera (Claparède, 1868) (additional source)
Fabricia sabella (Ehrenberg, 1836) accepted as Fabricia stellaris (Müller, 1774) (additional source)
Filograna implexa Berkeley, 1835 (additional source)
Glycera abranchiata Treadwell, 1901 accepted as Glycera brevicirris Grube, 1870 (additional source)
Glycera americana Leidy, 1855 (additional source)
Glycera brevicirris Grube, 1870 (additional source)
Glycera capitata Örsted, 1842 (additional source)
Glycera dibranchiata Ehlers, 1868 (additional source)
Glycera papillosa Grube, 1857 (additional source)
Glycera robusta Ehlers, 1868 (additional source)
Glycera sphyrabrancha Schmarda, 1861 (additional source)
Glycinde nordmanni (Malmgren, 1866) (additional source)
Glycinde solitaria (Webster, 1879) accepted as Glycinde multidens Müller, 1858 (additional source)
Goniada littorea Hartman, 1950 (additional source)
Goniada maculata Örsted, 1843 (additional source)
Goniada norvegica Örsted, 1845 (additional source)
Goniada teres Treadwell, 1931 (additional source)
Goniadides carolinae Day, 1973 (additional source)
Gyptis vittata Webster & Benedict, 1887 (additional source)
Heteromastus filiformis (Claparède, 1864) (additional source)
Heterospio longissima Ehlers, 1874 (additional source)
Hobsonia florida (Hartman, 1951) (additional source)
Hyalinoecia tubicola (O.F. Müller, 1776) (additional source)
Hydroides dianthus (Verrill, 1873) (additional source)
Isolda pulchella Müller in Grube, 1858 (additional source)
Janua (Dexiospira) spirillum (Linnaeus, 1758) accepted as Circeis spirillum (Linnaeus, 1758) (additional source)
Laonice cirrata (M. Sars, 1851) (additional source)
Leitoscoloplos fragilis (Verrill, 1873) (additional source)
Leitoscoloplos robustus (Verrill, 1873) (basis of record)

 New combination

 for Nicon aestuariensis Knox, 1951

The species appears under the new combination Nereis aestuarensis [sic] in Fauchald et al. (2009: 771). However, no ... [details]

 Spelling

 for Dorvillea jumarsii (Blake, 1985)

Clearly a proof-reading lapsus. Misspelled, and a non-existent combination as an entry in a checklist. No ... [details]