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)
Amicula vestita (Broderip & G. B. Sowerby I, 1829) (additional source)
Ampharete acutifrons (Grube, 1860) (additional source)
Amphicteis gunneri (M. Sars, 1835) (additional source)
Amphipholis squamata (Delle Chiaje, 1828) (additional source)
Amphiporus angulatus (Müller, 1774) (additional source)
Amphiporus groenlandicus Ørsted, 1843 (additional source)
Anobothrus gracilis (Malmgren, 1866) (additional source)
Anomia aculeata O. F. Müller, 1776 accepted as Heteranomia squamula (Linnaeus, 1758) (basis of record)
Ascidia callosa Stimpson, 1852 (additional source)
Astarte borealis (Schumacher, 1817) accepted as Tridonta borealis Schumacher, 1817 (additional source)
Aulactinia stella (Verrill, 1864) (additional source)
Aurelia aurita (Linnaeus, 1758) (additional source)
Bolinopsis infundibulum (O.F. Müller, 1776) (additional source)
Boltenia echinata (Linnaeus, 1767) (additional source)
Boltenia ovifera (Linnaeus, 1767) (additional source)
Boreotrophon clathratus (Linnaeus, 1767) (additional source)
Boreotrophon truncatus (Strøm, 1768) (additional source)
Caberea ellisii (Fleming, 1814) (additional source)
Ceramaster granularis (Retzius, 1783) (additional source)
Cerebratulus marginatus Renier, 1804 (additional source)
Chelyosoma macleayanum Broderip & Sowerby, 1830 (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 pubescens (A. E. Verrill, 1882) (additional source)
Cossura longocirrata Webster & Benedict, 1887 (additional source)
Crisia eburnea (Linnaeus, 1758) (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)
Dendrodoa carnea (Agassiz, 1850) (additional source)
Didemnum albidum (Verrill, 1871) (additional source)
Distaplia clavata (Sars, 1851) (additional source)
Drifa glomerata (Verrill, 1869) (additional source)
Echinarachnius parma (Lamarck, 1816) (additional source)
Eubranchus exiguus (Alder & Hancock, 1848) (additional source)
Euchone rubrocincta (Sars, 1862) (additional source)
Eucratea loricata (Linnaeus, 1758) (additional source)
Eudendrium tenellum Allman, 1877 (additional source)
Eunephthya rubiformis (Ehrenberg, 1834) accepted as Gersemia rubiformis (Ehrenberg, 1834) (additional source)
Gammarus oceanicus Segerstråle, 1947 (additional source)
Gammarus setosus Dementieva, 1931 (additional source)
Gonactinia prolifera (Sars, 1835) (additional source)
Haliclona (Haliclona) oculata (Linnaeus, 1759) (additional source)
Haliclystus auricula James-Clark, 1863 (additional source)
Halocynthia pyriformis (Rathke, 1806) (additional source)
Hiatella arctica (Linnaeus, 1767) (additional source)
Hippoporina propinqua (Smitt, 1868) accepted as Smittoidea propinqua (Smitt, 1868) (basis of record)
Hippoporina reticulatopunctata (Hincks, 1877) (additional source)
Hippothoa hyalina (Linnaeus, 1767) accepted as Celleporella hyalina (Linnaeus, 1767) (additional source)
Hyale prevosti (H. Milne Edwards, 1830) accepted as Apohyale prevostii (H. Milne Edwards, 1830) (additional source)
Lacuna pallidula (da Costa, 1778) (additional source)
Lacuna vincta (Montagu, 1803) (additional source)
Laonice cirrata (M. Sars, 1851) (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)
Mertensia ovum (Fabricius, 1780) (additional source)
Metridium senile (Linnaeus, 1761) (additional source)
Molgula citrina Alder & Hancock, 1848 (additional source)
Molgula complanata Alder & Hancock, 1870 (additional source)
Molgula retortiformis Verrill, 1871 (additional source)
Mya truncata Linnaeus, 1758 (additional source)
Myriapora subgracile (d'Orbigny, 1852) accepted as Myriapora subgracilis (d'Orbigny, 1853) accepted as Leieschara subgracilis (d'Orbigny, 1853) (additional source)
Myriochele heeri Malmgren, 1867 (additional source)
Myxicola infundibulum (Montagu, 1808) (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)
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)
Pectinaria granulata (Linnaeus, 1767) represented as Cistenides granulata (Linnaeus, 1767) (additional source)
Periphylla periphylla (Péron & Lesueur, 1810) (additional source)
Petalosarsia declivis (Sars, 1865) (additional source)
Phacellophora camtschatica Brandt, 1835 (additional source)
Phascolion strombi (Montagu, 1804) accepted as Phascolion (Phascolion) strombus strombus (Montagu, 1804) (additional source)
Pherusa plumosa (Müller, 1776) (additional source)
Pione vastifica (Hancock, 1849) (additional source)
Pleurobrachia pileus (O. F. Müller, 1776) (additional source)
Polycarpa fibrosa (Stimpson, 1852) (additional source)
Polycirrus medusa Grube, 1850 (additional source)
Polydora ciliata (Johnston, 1838) (additional source)
Polyphysia crassa (Örsted, 1843) (additional source)
Pontaster tenuispinus (Düben & Koren, 1846) (additional source)
Praxillella praetermissa (Malmgren, 1865) (additional source)
Prionospio steenstrupi Malmgren, 1867 (additional source)
Ramphogordius sanguineus (Rathke, 1799) accepted as Lineus sanguineus (Rathke, 1799) (additional source)