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)
Anobothrus gracilis (Malmgren, 1866) (additional source)
Astarte borealis (Schumacher, 1817) accepted as Tridonta borealis Schumacher, 1817 (additional source)
Botryllus schlosseri (Pallas, 1766) (additional source)
Cerebratulus marginatus [Renier], [1804] (additional source)
Ciona intestinalis (Linnaeus, 1767) (additional source)
Cossura longocirrata Webster & Benedict, 1887 (additional source)
Crisia eburnea (Linnaeus, 1758) (additional source)
Epizoanthus incrustatus Düben & Koren, 1847 accepted as Epizoanthus papillosus Johnston, 1842 (additional source)
Euchone rubrocincta (Sars, 1862) (additional source)
Eucratea loricata (Linnaeus, 1758) (additional source)
Eudorella truncatula (Bate, 1856) (additional source)
Hiatella arctica (Linnaeus, 1767) (additional source)
Laonice cirrata (M. Sars, 1851) (additional source)
Limnoria lignorum (Rathke, 1799) (additional source)
Macoma calcarea (Gmelin, 1791) (additional source)
Melinna cristata (M. Sars, 1851) (additional source)
Molgula citrina Alder & Hancock, 1848 (additional source)
Mya truncata Linnaeus, 1758 (additional source)
Myriochele heeri Malmgren, 1867 (additional source)
Myxicola infundibulum (Montagu, 1808) (additional source)
Nicolea zostericola Örsted, 1844 (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)
Petalosarsia declivis (Sars, 1865) (additional source)
Phascolion strombi (Montagu, 1804) accepted as Phascolion (Phascolion) strombus strombus (Montagu, 1804) (additional source)
Pherusa plumosa (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)
Praxillella praetermissa (Malmgren, 1865) (additional source)
Prionospio steenstrupi Malmgren, 1867 (additional source)
Prosuberites epiphytum sensu Topsent, 1900 accepted as Protosuberites denhartogi van Soest & de Kluijver, 2003 (additional source)
Scalibregma inflatum Rathke, 1843 (additional source)
Strongylocentrotus droebachiensis (O.F. Müller, 1776) (additional source)
Urticina felina (Linnaeus, 1761) (additional source)