Abietinaria abietina (Linnaeus, 1758) (additional source)
Ampelisca macrocephala Liljeborg, 1853 (additional source)
Ampharete acutifrons (Grube, 1860) (additional source)
Amphipholis squamata (Delle Chiaje, 1828) (additional source)
Amphitrite cirrata Müller, 1776 (additional source)
Anaitides groenlandica (Örsted, 1842) accepted as Phyllodoce groenlandica Örsted, 1842 (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)
Anonyx lilljeborgi Boeck, 1871 (additional source)
Apistobranchus tullbergi (Théel, 1879) (additional source)
Arabella iricolor (Montagu, 1804) (additional source)
Arenicola marina (Linnaeus, 1758) (additional source)
Astarte borealis (Schumacher, 1817) accepted as Tridonta borealis Schumacher, 1817 (additional source)
Astarte elliptica (T. Brown, 1827) accepted as Tridonta elliptica (T. Brown, 1827) (additional source)
Asterias rubens Linnaeus, 1758 (additional source)
Balanus balanus (Linnaeus, 1758) (additional source)
Balanus crenatus Bruguière, 1789 (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)
Calliopius laeviusculus (Krøyer, 1838) (additional source)
Callopora aurita (Hincks) accepted as Amphiblestrum auritum (Hincks, 1877) (additional source)
Calycella syringa (Linnaeus, 1767) (additional source)
Capitella capitata (Fabricius, 1780) (additional source)
Caprella linearis (Linnaeus, 1767) (additional source)
Carcinus maenas (Linnaeus, 1758) (additional source)
Celleporella hyalina (Linnaeus, 1767) (additional source)
Cephalothrix linearis (Rathke, 1799) (additional source)
Chaetozone setosa Malmgren, 1867 (additional source)
Ciona intestinalis (Linnaeus, 1767) (additional source)
Cirratulus cirratus (O. F. Müller, 1776) (additional source)
Clymenella torquata (Leidy, 1855) (additional source)
Clytia hemisphaerica (Linnaeus, 1767) (additional source)
Corophium crassicorne Bruzelius, 1859 accepted as Crassicorophium crassicorne (Bruzelius, 1859) (additional source)
Corophium insidiosum Crawford, 1937 accepted as Monocorophium insidiosum (Crawford, 1937) (additional source)
Cossura longocirrata Webster & Benedict, 1887 (additional source)
Cribrilina annulata (O. Fabricius, 1780) accepted as Juxtacribrilina annulata (Fabricius, 1780) (additional source)
Crisia eburnea (Linnaeus, 1758) (additional source)
Crossaster papposus (Linnaeus, 1767) (additional source)
Cucumaria frondosa (Gunnerus, 1767) (additional source)
Dendrodoa grossularia (Van Beneden, 1846) (additional source)
Dendronotus frondosus (Ascanius, 1774) (additional source)
Diastylis lucifera (Krøyer, 1837) (additional source)
Dipolydora quadrilobata (Jacobi, 1883) (additional source)
Dodecaceria concharum Örsted, 1843 (additional source)
Ectopleura larynx (Ellis & Solander, 1786) (additional source)
Electra pilosa (Linnaeus, 1767) accepted as Electra pilosa (Linnaeus, 1761) (additional source)
Ericthonius difformis H. Milne Edwards, 1830 (additional source)
Ericthonius rubricornis (Stimpson, 1853) (additional source)
Eteone flava (Fabricius, 1780) (additional source)
Eteone longa (Fabricius, 1780) (additional source)
Eualus pusiolus (Krøyer, 1841) (additional source)
Eucratea loricata (Linnaeus, 1758) (additional source)
Eulalia bilineata (Johnston, 1840) (additional source)
Eulalia viridis (Linnaeus, 1767) (additional source)
Eunice pennata (Müller, 1776) (additional source)
Eunoe nodosa (M. Sars, 1861) (additional source)
Euphrosine borealis Örsted, 1842 (additional source)
Eusyllis blomstrandi Malmgren, 1867 (additional source)
Exogone (Exogone) verugera (Claparède, 1868) accepted as Exogone verugera (Claparède, 1868) (additional source)
Exogone (Parexogone) hebes (Webster & Benedict, 1884) accepted as Parexogone hebes (Webster & Benedict, 1884) (additional source)
Facelina bostoniensis (Couthouy, 1838) (additional source)
Flabelligera affinis M. Sars, 1829 (additional source)
Gammarellus angulosus (Rathke, 1843) (additional source)
Gammaropsis nitida (Stimpson, 1853) (additional source)
Gattyana cirrosa (Pallas, 1766) accepted as Gattyana cirrhosa (Pallas, 1766) (additional source)
Glycera capitata Örsted, 1842 (additional source)
Halecium halecium (Linnaeus, 1758) accepted as Halecium halecinum (Linnaeus, 1758) (additional source)
Halecium muricatum (Ellis & Solander, 1786) (additional source)
Haploops setosa Boeck, 1871 (additional source)
Haploops tubicola Liljeborg, 1856 (additional source)
Harmothoe imbricata (Linnaeus, 1767) (additional source)
Harpinia plumosa (Krøyer, 1842) (additional source)
Harpinia propinqua G.O. Sars, 1891 accepted as Harpinia propinqva G.O.Sars, 1891 (additional source)
Heteromastus filiformis (Claparède, 1864) (additional source)
Hyas araneus (Linnaeus, 1758) (additional source)
Hyas coarctatus Leach, 1815 (additional source)
Hydractinia echinata (Fleming, 1828) (additional source)
Hydrallmania falcata (Linnaeus, 1758) (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)
Laomedea flexuosa Alder, 1857 (additional source)
Laonice cirrata (M. Sars, 1851) (additional source)
Lepidonotus squamatus (Linnaeus, 1758) (additional source)
Leuckartiara octona (Fleming, 1823) (additional source)
Levinsenia gracilis (Tauber, 1879) (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)
Metopa alderi (Spence Bate, 1857) (additional source)
Microphthalmus aberrans (Webster & Benedict, 1887) (additional source)
Microporella ciliata (Pallas, 1766) (additional source)
Molgula citrina Alder & Hancock, 1848 (additional source)
Molgula manhattensis (De Kay, 1843) (additional source)
Munna fabricii Krøyer, 1846 (additional source)
Myriochele heeri Malmgren, 1867 (additional source)
Myxicola infundibulum (Montagu, 1808) (additional source)
Neanthes virens (M. Sars, 1835) accepted as Alitta virens (M. Sars, 1835) (additional source)