Acmira catherinae (Laubier, 1967) represented as Aricidea (Acmira) catherinae Laubier, 1967 (additional source)
Acmira simplex (Day, 1963) represented as Aricidea (Acmira) simplex Day, 1963 (basis of record)
Acoetidae Kinberg, 1856 (additional source)
Aglaophamus circinata (Verrill in Smith & Harger, 1874) (additional source)
Aglaophamus malmgreni (Théel, 1879) (additional source)
Aglaophamus neotenus Noyes, 1980 accepted as Micronephthys neotena (Noyes, 1980) (additional source)
Aglaophamus verrilli (McIntosh, 1885) (additional source)
Alkmaria rominji [auct.] accepted as Alkmaria romijni Horst, 1919 (basis of record)
Amage auricula Malmgren, 1866 (additional source)
Amastigos Piltz, 1977 (basis of record)
Amblyosyllis finmarchica (Malmgren, 1867) (additional source)
Amelinna Hartman, 1969 accepted as Melinnopsis McIntosh, 1885 (basis of record)
Ammotrypane aulogaster Rathke, 1843 accepted as Ophelina acuminata Örsted, 1843 (source of synonymy)
Ampharete acutifrons (Grube, 1860) (additional source)
Ampharete arctica Malmgren, 1866 accepted as Ampharete finmarchica (M. Sars, 1865) (additional source)
Ampharete baltica Eliason, 1955 (additional source)
Ampharete finmarchica (M. Sars, 1865) (additional source)
Ampharete goesi Malmgren, 1866 (additional source)
Ampharete lindstroemi Hessle, 1917 (additional source)
Ampharete parvidentata Day, 1973 (additional source)
Amphicteis floridus Hartman, 1951 accepted as Hobsonia florida (Hartman, 1951) (additional source)
Amphicteis gunneri (M. Sars, 1835) (additional source)
Amphitrite Müller, 1771 (additional source)
Amphitrite cirrata Müller, 1776 (additional source)
Amphitrite figulus (Dalyell, 1853) represented as Neoamphitrite figulus (Dalyell, 1853) (additional source)
Amphitrite johnstoni Malmgren, 1866 accepted as Neoamphitrite figulus (Dalyell, 1853) (additional source)
Anaitides longipes (Kinberg, 1866) accepted as Phyllodoce longipes Kinberg, 1866 (additional source)
Anaitides maculata (Linnaeus, 1767) accepted as Phyllodoce maculata (Linnaeus, 1767) (additional source)
Anaitides mucosa (Örsted, 1843) accepted as Phyllodoce mucosa Örsted, 1843 (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)
Anobothrus gracilis (Malmgren, 1866) (additional source)
Aonides mayaguezensis Foster, 1969 (additional source)
Apistobranchus tullbergi (Théel, 1879) (additional source)
Apistobranchus typicus (Webster & Benedict, 1887) (additional source)
Apoprionospio dayi Foster, 1969 (additional source)
Arabella iricolor (Montagu, 1804) (additional source)
Arabella mutans (Chamberlin, 1919) (additional source)
Archiannelida (additional source)
Arcteobia anticostiensis (Mcintosh, 1874) (additional source)
Arenicola brasiliensis Nonato, 1958 (additional source)
Arenicola cristata Stimpson, 1856 (additional source)
Arenicola marina (Linnaeus, 1758) (additional source)
Aricidea lopezi Berkeley & Berkeley, 1956 represented as Aricidea (Acmira) lopezi Berkeley & Berkeley, 1956 (additional source)
Aricidea quadrilobata Webster & Benedict, 1887 represented as Aricidea (Strelzovia) quadrilobata Webster & Benedict, 1887 (additional source)
Aricidea suecica Eliason, 1920 represented as Aricidea (Strelzovia) suecica Eliason, 1920 (additional source)
Armandia agilis (Andrews, 1891) (additional source)
Armandia maculata (Webster, 1884) (additional source)
Artacama proboscidea Malmgren, 1866 (additional source)
Asychis elongata (Verrill, 1873) accepted as Sabaco elongatus (Verrill, 1873) (additional source)
Austrolaenilla mollis (Sars, 1872) (additional source)
Autolytus Grube, 1850 accepted as Myrianida Milne Edwards, 1845 (additional source)
Autolytus alexandri Malmgren, 1867 accepted as Epigamia alexandri (Malmgren, 1867) (additional source)
Autolytus cornutus Agassiz, 1862 accepted as Proceraea cornuta (Agassiz, 1862) (additional source)
Autolytus dentalius Imajima, 1966 accepted as Myrianida dentalia (Imajima, 1966) (additional source)
Autolytus emertoni Verrill, 1881 (additional source)
Autolytus fasciatus (Bosc, 1802) accepted as Proceraea fasciata (Bosc, 1802) (additional source)
Autolytus prismaticus (O.F. Müller, 1776) accepted as Proceraea prismatica (O.F. Müller, 1776) (additional source)
Autolytus prolifera (O.F. Müller, 1788) accepted as Myrianida prolifera (O.F. Müller, 1788) (additional source)
Autolytus verrilli Marenzeller, 1892 accepted as Epigamia alexandri (Malmgren, 1867) (additional source)
Axionice flexuosa (Grube, 1860) (additional source)
Axiothella catenata (Malmgren, 1865) (additional source)
Boguea enigmatica Hartman, 1945 (additional source)
Brada granosa Stimpson, 1853 (additional source)
Brada inhabilis (Rathke, 1843) (additional source)
Brada setosa Verrill, 1873 accepted as Bradabyssa setosa (Verrill, 1873) (additional source)
Brania clavata (Claparède, 1863) accepted as Salvatoria clavata (Claparède, 1863) (additional source)
Brania wellfleetensis Pettibone, 1956 (additional source)
Bylgides elegans (Théel, 1879) (additional source)
Cabira incerta Webster, 1879 (additional source)
Canalipalpata (basis of record)
Capitella Blainville, 1828 (additional source)
Capitella capitata (Fabricius, 1780) (additional source)
Capitella capitata capitata (Fabricius, 1780) (basis of record)
Caulleriella fragilis (Leidy, 1855) (additional source)
Ceratocephale loveni Malmgren, 1867 (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 Cuvier, 1830 (additional source)
Chaetopterus variopedatus (Renier, 1804) (additional source)
Chaetozone caputesocis (Saint-Joseph, 1894) (basis of record)
Chaetozone setosa Malmgren, 1867 (additional source)
Cheilonereis Benham, 1916 (basis of record)
Chitinopoma serrula (Stimpson, 1853) (additional source)
Chloeia viridis Schmarda, 1861 (additional source)
Chone Krøyer, 1856 (additional source)
Chone duneri Malmgren, 1867 (additional source)
Chone infundibuliformis Krøyer, 1856 (additional source)
Circeis armoricana Saint-Joseph, 1894 (additional source)
Circeis spirillum (Linnaeus, 1758) (additional source)
Cirratulus Lamarck, 1818 (additional source)
Cirratulus cirratus (O. F. Müller, 1776) (additional source)
Cirratulus dorsobranchialis Kirkegaard, 1959 accepted as Kirkegaardia dorsobranchialis (Kirkegaard, 1959) (basis of record)
Cirratulus dorsobranchialis Kirkegaard, 1959 accepted as Kirkegaardia dorsobranchialis (Kirkegaard, 1959) (source of synonymy)
Cirratulus grandis Verrill, 1873 accepted as Cirriformia grandis (Verrill, 1873) (additional source)
Cirrophorus branchiatus Ehlers, 1908 (additional source)
Cirrophorus brevicirratus Strelzov, 1973 (additional source)

Dutch Alaskastrandloper for Calidris mauri (Cabanis, 1857)
Dutch Amerikaanse zee-eend [from synonym] for Melanitta nigra americana (Swainson, 1832)
Dutch Beringstrandloper for Calidris ptilocnemis (Coues, 1873)
Dutch grote kanoetstrandloper for Calidris tenuirostris (Horsfield, 1821)
Dutch kattenstaart for Lythrum salicaria L.
Dutch taigastrandloper for Calidris subminuta (Middendorff, 1853)
Dutch Temmincks strandloper for Calidris temminckii (Leisler, 1812)
Dutch zwanenbloem for Butomus umbellatus L.
English abyssal grenadier for Coryphaenoides armatus (Hector, 1875)
English African softnose stake for Bathyraja smithii (Müller & Henle, 1841)
English Aleutian fringed sculpin for Porocottus mednius (Bean, 1898)
English alligatorfishes for Agonidae Swainson, 1839
English Amazon river dolphin for Inia geoffrensis (de Blainville, 1817)
English Antarctic armless flounder [from synonym] for Mancopsetta maculata antarctica Kotlyar, 1978
English Antarctic escolar for Paradiplospinus antarcticus Andriashev, 1960
English Antarctic jonasfish [from synonym] for Notolepis coatsi Dollo, 1908
English Antarctic silverfish for Pleuragramma antarcticum Boulenger, 1902
English Antarctic spiny plunderfish for Harpagifer antarcticus Nybelin, 1947
English Antarctic starry skate for Amblyraja georgiana (Norman, 1938)
English Antarctic toothfish for Dissostichus mawsoni Norman, 1937
English armless flounder for Neoachiropsetta milfordi (Penrith, 1965)
English Asian clam for Corbicula fluminea (O. F. Müller, 1774)
English Atlantic humpback dolphin for Sousa teuszii (Kükenthal, 1892)
English Atlantic sand crab for Emerita talpoida (Say, 1817)
English Atlantic white-spotted octopus [from synonym] for Octopus macropus Risso, 1826
English Australian sea lion for Neophoca cinerea (Péron, 1816)
English badwater snail [from synonym] for Assiminea infima S. S. Berry, 1947
English baiji for Lipotes vexillifer Miller, 1918
English Baird's beaked whale for Berardius bairdii Stejneger, 1883
English bald notothen for Pagothenia borchgrevinki (Boulenger, 1902)
English Balearic shearwater for Puffinus mauretanicus Lowe, 1921
English baleen whales for Balaenoptera Lacépède, 1804
English bandidos for Agonidae Swainson, 1839
English bandtail notothen for Pagothenia brachysoma (Pappenheim, 1912)
English barratt corbula [from synonym] for Corbula barrattiana C. B. Adams, 1852
English bears for Ursidae Fischer, 1817
English belligerent sculpin for Megalocottus platycephalus (Pallas, 1814)
English bent sea rod [from synonym] for Plexaura flexuosa Lamouroux, 1821
English Bering poacher for Occella dodecaedron (Tilesius, 1813)
English Bering Sea beaked whale for Mesoplodon stejnegeri True, 1885
English bigeye grenadier for Macrourus holotrachys Günther, 1878
English bigeye notothen for Trematomus tokarevi Andriashev, 1978
English black abalone for Haliotis cracherodii Leach, 1814
English black cod for Notothenia microlepidota Hutton, 1875
English black dolphin for Cephalorhynchus eutropia Gray, 1846
English black dragonfish for Idiacanthus atlanticus Brauer, 1906
English black mangrove [from synonym] for Avicennia africana Palisot de Beauvois
English black oreo for Allocyttus niger James, Inada & Nakamura, 1988
English blackfin icefish for Chaenocephalus aceratus (Lönnberg, 1906)
English blackfin notothen for Trematomus scotti (Boulenger, 1907)
English blackline prickleback for Acantholumpenus mackayi (Gilbert, 1896)
English blue mud shrimp for Upogebia pugettensis (Dana, 1852)
English blue rockcod for Notothenia cyanobrancha Richardson, 1844
English blunt scalyhead for Trematomus eulepidotus Regan, 1914
English bogue lanternfish for Symbolophorus boops (Richardson, 1845)
English boreal rosy margarite for Margarites costalis costalis (A. Gould, 1841)
English bottle brush tree for Melaleuca quinquenervia (Cav.) S.T. Blake
English bottlenose dolphins for Tursiops Gervais, 1855
English brightbelly sculpin for Microcottus sellaris (Gilbert, 1896)
English broad cockle [from synonym] for Serripes (Serripes) laperousii (Deshayes, 1839)
English broad smoothcockle [from synonym] for Serripes (Serripes) laperousii (Deshayes, 1839)
English broadleaf rush for Juncus planifolius R.Br.
English bullheads for Cottidae Bonaparte, 1831
English butterfly kingfish for Gasterochisma melampus Richardson, 1845
English calico crayfish [from synonym] for Orconectes immunis (Hagen, 1870)
English California aglaja for Navanax inermis (J. G. Cooper, 1863)
English California seahare for Aplysia californica J. G. Cooper, 1863
English California softshell clam for Cryptomya californica (Conrad, 1837)
English carapine grenadier for Coryphaenoides carapinus Goode & Bean, 1883
English Caribbean glassy-bubble for Atys caribaeus (A. d'Orbigny, 1841)
English Carolinian ghost shrimp for Callichirus major (Say, 1818)
English chaffy sedge for Carex paleacea Schreb. ex Wahlenb.
English Chinese mud shrimp [from synonym] for Upogebia wuhsienweni Yu, 1931
English Chinese mysterysnail for Cipangopaludina chinensis (J. E. Gray, 1833)
English Chinese river dolphin for Lipotes vexillifer Miller, 1918
English cixid planthoppers for Cixiidae Spinola, 1839
English clean glassy-bubble [from synonym] for Atys castus P. P. Carpenter, 1864
English clinging jellyfish for Gonionemus vertens A. Agassiz, 1862
English cod icefish for Patagonotothen ramsayi (Regan, 1913)
English colubrids for Colubridae Oppel, 1811
English common dolphins for Delphinus Linnaeus, 1758
English common Mediterranean grass for Schismus barbatus (Loefl. ex L.) Thellung
English common timothy for Phleum pratense L.
English common water hyacinth for Eichhornia crassipes (Mart.) Solms
English cosmopolitan bulrush [from synonym] for Schoenoplectus maritimus (L.) Lye
English creeping bell hydroid for Calycella syringa (Linnaeus, 1767)
English crested bigscale for Poromitra crassiceps (Günther, 1878)
English cross-barred venus for Chione cancellata (Linnaeus, 1767)
English Crozet scad for Trachurus longimanus (Norman, 1935)
English curly pondweed for Potamogeton crispus L.
English dark toad plunderfish for Pogonophryne fusca Balushkin & Eakin, 1998
English dark-belly skate for Bathyraja meridionalis Stehmann, 1987
English darkfin sculpin for Malacocottus zonurus Bean, 1890
English deepwater arrowtooth eel for Histiobranchus bathybius (Günther, 1877)
English deepwater dragon for Bathydraco marri Norman, 1938
English deepwater notothen for Trematomus loennbergii Regan, 1913
English deep-water spiny plunderfish for Harpagifer spinosus Hureau, Louis, Tomo & Ozouf, 1980
English docked snailfish for Lethotremus muticus Gilbert, 1896
English dogtooth grenadier for Cynomacrurus piriei Dollo, 1909
English double-ended pipefish [from synonym] for Yozia bicoarctata (Bleeker, 1857)

 Authority

 for Euclymene lumbricoides [auct. misspelling]

(de Quatrefagues, 1866) [details]

 Authority

 for Scolelepis (Scolelepis) cantabra (Rioja, 1918)

(Rioja, 1919) [details]

 Spelling

 for Antinoe finmarchica Malmgren, 1867

Antinoe fimmarchica in ITIS database [details]

 Spelling

 for Aricidea jeffreysii [Auctt. (Non McIntosh, 1879)]

Aricidea jeffreysi in ITIS database [details]

 Spelling

 for Demonax brachychona (Claparède, 1870)

Demonax brachychona is the correct original spelling (contrary to Tovar-Hernández & Harris, 2010 who use D. ... [details]

 Spelling

 for Pirakia punctifera (Grube, 1860)

Pirakia punctifer in ITIS database [details]

 Spelling

 for Spirorbis tridentatus Levinsen, 1884

Spirorbis tridentata in ITIS database [details]

 Spelling

 for Syllis krohni Ehlers, 1864

Syllis krohni in ITIS database [details]

 Spelling

 for Typosyllis krohnii (Ehlers, 1864)

T. krohni in ITIS database [details]

 Synonymy

 for Aricidea catherinae Laubier, 1967

Junior synonym of Acmira catherinae [details]

 Synonymy

 for Monticellina dorsobranchialis (Kirkegaard, 1959)

junior synonym of Tharyx dorsobranchialis (Kirkegaard, 1959) [details]

 Validity

 for Phylo grubei (McIntosh, 1910)

Valid as Orbinia (Orbinia) grubei (Mc Intosh, 1910) [details]