Aeverrillia setigera (Hincks, 1887) (basis of record)
Ampharete acutifrons (Grube, 1860) (additional source)
Amphipholis squamata (Delle Chiaje, 1828) (additional source)
Anaitides mucosa (Örsted, 1843) accepted as Phyllodoce mucosa Örsted, 1843 (additional source)
Arabella iricolor (Montagu, 1804) (additional source)
Arenicola marina (Linnaeus, 1758) (additional source)
Asterias rubens Linnaeus, 1758 (additional source)
Aurelia aurita (Linnaeus, 1758) (additional source)
Botryllus schlosseri (Pallas, 1766) (additional source)
Brada villosa (Rathke, 1843) accepted as Bradabyssa villosa (Rathke, 1843) (additional source)
Byblis gaimardi (Krøyer, 1846) accepted as Byblis gaimardii (Krøyer, 1846) (additional source)
Capitella capitata (Fabricius, 1780) (additional source)
Caprella linearis (Linnaeus, 1767) (additional source)
Caprella penantis Leach, 1814 (additional source)
Carcinus maenas (Linnaeus, 1758) (additional source)
Caridion gordoni (Spence Bate, 1858) (additional source)
Chaetozone setosa Malmgren, 1867 (additional source)
Ciona intestinalis (Linnaeus, 1767) (additional source)
Cirratulus cirratus (O. F. Müller, 1776) (additional source)
Cliona vastifica Hancock, 1849 accepted as Pione vastifica (Hancock, 1849) (additional source)
Clytia hemisphaerica (Linnaeus, 1767) (additional source)
Corophium insidiosum Crawford, 1937 accepted as Monocorophium insidiosum (Crawford, 1937) (additional source)
Didemnum albidum (Verrill, 1871) (additional source)
Dosima fascicularis (Ellis & Solander, 1786) (additional source)
Doto coronata (Gmelin, 1791) (additional source)
Ectopleura crocea (Agassiz, 1862) (additional source)
Eualus gaimardii (H. Milne Edwards, 1837) (additional source)
Eualus pusiolus (Krøyer, 1841) (additional source)
Eulalia viridis (Linnaeus, 1767) (additional source)
Eunice pennata (Müller, 1776) (additional source)
Exogone (Exogone) verugera (Claparède, 1868) accepted as Exogone verugera (Claparède, 1868) (additional source)
Fabricia sabella (Ehrenberg, 1836) accepted as Fabricia stellaris (Müller, 1774) (additional source)
Facelina bostoniensis (Couthouy, 1838) (additional source)
Filograna implexa Berkeley, 1835 (additional source)
Flabelligera affinis M. Sars, 1829 (additional source)
Geukensia demissa (Dillwyn, 1817) (additional source)
Glycera capitata Örsted, 1842 (additional source)
Halecium beanii (Johnston, 1838) (additional source)
Halecium muricatum (Ellis & Solander, 1786) (additional source)
Halichondria panicea (Pallas, 1766) represented as Halichondria (Halichondria) panicea (Pallas, 1766) (additional source)
Halisarca dujardinii Johnston, 1842 (additional source)
Harmothoe imbricata (Linnaeus, 1767) (additional source)
Heteromastus filiformis (Claparède, 1864) (additional source)
Hydractinia echinata (Fleming, 1828) (additional source)
Hyperia galba (Montagu, 1813) (additional source)
Idotea metallica Bosc, 1801 (additional source)
Ischyrocerus anguipes Krøyer, 1838 (additional source)
Jassa marmorata Holmes, 1905 (additional source)
Laonice cirrata (M. Sars, 1851) (additional source)
Lebbeus groenlandicus (Fabricius, 1775) (additional source)
Lebbeus polaris (Sabine, 1824) (additional source)
Lepas anatifera Linnaeus, 1758 represented as Lepas (Lepas) anatifera Linnaeus, 1758 (additional source)
Lepidonotus squamatus (Linnaeus, 1758) (additional source)
Leuckartiara octona (Fleming, 1823) (additional source)
Leucosolenia botryoides (Ellis & Solander, 1786) (additional source)
Levinsenia gracilis (Tauber, 1879) (additional source)
Libinia dubia H. Milne Edwards, 1834 (additional source)
Limnoria lignorum (Rathke, 1799) (additional source)
Lumbrineris fragilis (O.F. Müller, 1776) accepted as Scoletoma fragilis (O.F. Müller, 1776) (additional source)
Melinna cristata (M. Sars, 1851) (additional source)
Mesonerilla Remane, 1949 (additional source)
Metridium senile (Linnaeus, 1761) (additional source)
Microciona prolifera (Ellis & Solander, 1786) accepted as Clathria (Clathria) prolifera (Ellis & Solander, 1786) (additional source)
Microporella ciliata (Pallas, 1766) (additional source)
Myxicola infundibulum (Montagu, 1808) (additional source)
Nephtys incisa Malmgren, 1865 (additional source)
Nereis pelagica Linnaeus, 1758 (additional source)
Nereis zonata Malmgren, 1867 (additional source)
Nicomache lumbricalis (Fabricius, 1780) (additional source)
Nothria conchylega (Sars, 1835) (additional source)
Notomastus latericeus Sars, 1851 (additional source)
Ophelina acuminata Örsted, 1843 (additional source)
Orchestia gammarella (Pallas, 1766) accepted as Orchestia gammarellus (Pallas, 1766) (additional source)
Orchestia platensis Krøyer, 1845 accepted as Platorchestia platensis (Krøyer, 1845) (additional source)
Owenia fusiformis Delle Chiaje, 1844 (additional source)
Pandalus montagui Leach, 1814 (additional source)
Paraonis fulgens (Levinsen, 1884) (additional source)
Parasagitta elegans (Verrill, 1873) (additional source)
Petricolaria pholadiformis (Lamarck, 1818) (additional source)
Phascolion strombi (Montagu, 1804) accepted as Phascolion (Phascolion) strombus strombus (Montagu, 1804) (additional source)
Pholoe minuta (Fabricius, 1780) (additional source)
Placopecten magellanicus (Gmelin, 1791) (additional source)
Polydora ciliata (Johnston, 1838) (additional source)
Potamilla neglecta (Sars, 1851) (additional source)
Potamilla reniformis (Bruguière, 1789) accepted as Pseudopotamilla reniformis (Bruguière, 1789) (additional source)
Praxillella praetermissa (Malmgren, 1865) (additional source)
Prionospio steenstrupi Malmgren, 1867 (additional source)
Protodorvillea Pettibone, 1961 (additional source)
Ptilanthura tenuis Harger, 1878 (additional source)
Scalibregma inflatum Rathke, 1843 (additional source)
Sclerocrangon boreas (Phipps, 1774) (additional source)
Scoloplos armiger (Müller, 1776) (additional source)
Sertularella polyzonias (Linnaeus, 1758) (additional source)
Sphaerosyllis erinaceus Claparède, 1863 accepted as Erinaceusyllis erinaceus (Claparède, 1863) (additional source)
Sphaerosyllis hystrix Claparède, 1863 (additional source)
Spio filicornis (Müller, 1776) (additional source)
Spiophanes bombyx (Claparède, 1870) (additional source)
Spirontocaris phippsii (Krøyer, 1841) (additional source)
Spirontocaris spinus (Sowerby, 1805) (additional source)
Sternaspis fossor Stimpson, 1853 (additional source)