Acanthodoris pilosa (Abildgaard, 1789) (additional source)
Actinostola callosa (Verrill, 1882) (additional source)
Adalaria proxima (Alder & Hancock, 1854) (additional source)
Aega psora (Linnaeus, 1758) (additional source)
Aetea anguina (Linnaeus, 1758) (additional source)
Alcyonium digitatum Linnaeus, 1758 (additional source)
Ampharete acutifrons (Grube, 1860) (additional source)
Amphicteis gunneri (M. Sars, 1835) (additional source)
Amphipholis squamata (Delle Chiaje, 1828) (additional source)
Amphiporus bioculatus sensu Verrill, 1892 (additional source)
Amphitrite johnstoni Malmgren, 1866 accepted as Neoamphitrite figulus (Dalyell, 1853) (additional source)
Anobothrus gracilis (Malmgren, 1866) (additional source)
Anomia simplex A. d'Orbigny, 1853 (basis of record)
Astarte borealis (Schumacher, 1817) accepted as Tridonta borealis Schumacher, 1817 (additional source)
Atolla wyvillei Haeckel, 1880 (additional source)
Aurelia aurita (Linnaeus, 1758) (additional source)
Bolinopsis infundibulum (O.F. Müller, 1776) (additional source)
Boltenia echinata (Linnaeus, 1767) (additional source)
Bopyroides hippolytes (Kröyer, 1838) (additional source)
Boreotrophon clathratus (Linnaeus, 1767) (additional source)
Boreotrophon truncatus (Strøm, 1768) (additional source)
Botryllus schlosseri (Pallas, 1766) (additional source)
Bugula simplex Hincks, 1886 accepted as Bugulina simplex (Hincks, 1886) (additional source)
Caberea ellisii (Fleming, 1814) (additional source)
Calliobdella van Beneden & Hesse, 1863 (additional source)
Calliobdella nodulifera (Malm, 1863) (additional source)
Carcinonemertes carcinophila (Kölliker, 1845) (additional source)
Ceramaster granularis (Retzius, 1783) (additional source)
Cerebratulus lacteus (Leidy, 1851) (additional source)
Cerebratulus marginatus [Renier], [1804] (additional source)
Chalinula loosanoffi (Hartman, 1958) (additional source)
Chlamys islandica (O. F. Müller, 1776) (additional source)
Ciona intestinalis (Linnaeus, 1767) (additional source)
Clione limacina (Phipps, 1774) (additional source)
Cnemidocarpa mollis (Stimpson, 1852) (additional source)
Colus pygmaeus (A. Gould, 1841) (additional source)
Cossura longocirrata Webster & Benedict, 1887 (additional source)
Craterolophus convolvulus (Johnston, 1835) (additional source)
Crella rosea (Topsent, 1892) represented as Crella (Yvesia) rosea (Topsent, 1892) (additional source)
Crisia eburnea (Linnaeus, 1758) (additional source)
Cryptosula pallasiana (Moll, 1803) (additional source)
Cuspidaria glacialis (G. O. Sars, 1878) (additional source)
Cuthona concinna (Alder & Hancock, 1843) accepted as Cuthonella concinna (Alder & Hancock, 1843) (additional source)
Cyanea capillata (Linnaeus, 1758) (additional source)
Dendrobeania murrayana (Bean in Johnston, 1847) (additional source)
Didemnum albidum (Verrill, 1871) (additional source)
Epitonium greenlandicum (Perry, 1811) accepted as Boreoscala greenlandica (Perry, 1811) (additional source)
Epizoanthus incrustatus Düben & Koren, 1847 accepted as Epizoanthus papillosus Johnston, 1842 (additional source)
Eubranchus exiguus (Alder & Hancock, 1848) (additional source)
Euchone rubrocincta (Sars, 1862) (additional source)
Eucratea loricata (Linnaeus, 1758) (additional source)
Eudorella truncatula (Bate, 1856) (additional source)
Gammarus oceanicus Segerstråle, 1947 (additional source)
Gonactinia prolifera (Sars, 1835) (additional source)
Haliclona (Haliclona) oculata (Linnaeus, 1759) (additional source)
Haliclystus auricula James-Clark, 1863 (additional source)
Haliclystus salpinx James-Clark, 1863 (additional source)
Haliplanella lineata (Verrill, 1869) accepted as Diadumene lineata (Verrill, 1869) (additional source)
Halocynthia pyriformis (Rathke, 1806) (additional source)
Hemiarthrus abdominalis (Krøyer, 1840) (additional source)
Hiatella arctica (Linnaeus, 1767) (additional source)
Hyale prevosti (H. Milne Edwards, 1830) accepted as Apohyale prevostii (H. Milne Edwards, 1830) (additional source)
Iophon hyndmani (Bowerbank, 1858) (additional source)
Lacuna pallidula (da Costa, 1778) (additional source)
Lacuna vincta (Montagu, 1803) (additional source)
Lafoea gracillima (Alder, 1856) accepted as Lafoea dumosa (Fleming, 1820) (additional source)
Laonice cirrata (M. Sars, 1851) (additional source)
Leucosolenia botryoides (Ellis & Solander, 1786) (additional source)
Lichenopora hispida (Fleming) accepted as Disporella hispida (Fleming, 1828) (additional source)
Limnoria lignorum (Rathke, 1799) (additional source)
Lineus ruber (Müller, 1774) (additional source)
Lucernaria quadricornis O. F. Müller, 1776 (additional source)
Lyonsia arenosa (Møller, 1842) (additional source)
Macoma calcarea (Gmelin, 1791) (additional source)
Melinna cristata (M. Sars, 1851) (additional source)
Melonanchora elliptica Carter, 1874 (additional source)
Metridium senile (Linnaeus, 1761) (additional source)
Molgula citrina Alder & Hancock, 1848 (additional source)
Molgula complanata Alder & Hancock, 1870 (additional source)
Mya truncata Linnaeus, 1758 (additional source)
Myriochele heeri Malmgren, 1867 (additional source)
Myxicola infundibulum (Montagu, 1808) (additional source)
Myxilla fimbriata (Bowerbank, 1866) represented as Myxilla (Myxilla) fimbriata (Bowerbank, 1866) (additional source)
Nectonema agile Verrill, 1879 (additional source)
Nematostella vectensis Stephenson, 1935 (additional source)
Nephasoma (Nephasoma) eremita (Sars, 1851) (additional source)
Nicolea zostericola Örsted, 1844 (additional source)
Nipponnemertes pulcher (Johnston, 1837) accepted as Nipponnemertes pulchra (Johnston, 1837) (additional source)
Oerstedia dorsalis (Abildgaard, 1806) (additional source)
Ophiomusium lymani Wyville-Thomson, 1873 accepted as Ophiomusa lymani (Wyville Thomson, 1873) (additional source)
Ophiopholis aculeata (Linnaeus, 1767) (additional source)
Owenia fusiformis Delle Chiaje, 1844 (additional source)
Panomya arctica (Lamarck, 1818) accepted as Panomya norvegica (Spengler, 1793) (additional source)
Pedicellina cernua (Pallas, 1774) (additional source)
Periphylla periphylla (Péron & Lesueur, 1810) (additional source)
Petalosarsia declivis (Sars, 1865) (additional source)
Pherusa plumosa (Müller, 1776) (additional source)
Pione vastifica (Hancock, 1849) (additional source)
Pleurobrachia pileus (O. F. Müller, 1776) (additional source)
Podon polyphemoides (Leuckart, 1859) accepted as Pleopis polyphemoides (Leuckart, 1859) (additional source)