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)
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)
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)
Chaetozone setosa Malmgren, 1867 (additional source)
Cirratulus cirratus (O. F. Müller, 1776) (additional source)
Corophium crassicorne Bruzelius, 1859 accepted as Crassicorophium crassicorne (Bruzelius, 1859) (additional source)
Cossura longocirrata Webster & Benedict, 1887 (additional source)
Crisia eburnea (Linnaeus, 1758) (additional source)
Crossaster papposus (Linnaeus, 1767) (additional source)
Dendrodoa grossularia (Van Beneden, 1846) (additional source)
Diastylis lucifera (Krøyer, 1837) (additional source)
Dipolydora quadrilobata (Jacobi, 1883) (additional source)
Dodecaceria concharum Örsted, 1843 (additional source)
Ericthonius difformis H. Milne Edwards, 1830 (additional source)
Eteone flava (Fabricius, 1780) (additional source)
Eteone longa (Fabricius, 1780) (additional source)
Eualus pusiolus (Krøyer, 1841) (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)
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)
Gammaropsis nitida (Stimpson, 1853) (additional source)
Haploops tubicola Liljeborg, 1856 (additional source)
Hyas coarctatus Leach, 1815 (additional source)
Ischyrocerus anguipes Krøyer, 1838 (additional source)
Laonice cirrata (M. Sars, 1851) (additional source)
Lepidonotus squamatus (Linnaeus, 1758) (additional source)
Levinsenia gracilis (Tauber, 1879) (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)
Microporella ciliata (Pallas, 1766) (additional source)
Munna fabricii Krøyer, 1846 (additional source)
Neoamphitrite affinis (Malmgren, 1866) (additional source)
Nephtys caeca (Fabricius, 1780) (additional source)
Nephtys ciliata (Müller, 1788) (additional source)
Nephtys incisa Malmgren, 1865 (additional source)
Nephtys longosetosa Örsted, 1842 (additional source)
Nephtys paradoxa Malm, 1874 (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)
Onchidoris bilamellata (Linnaeus, 1767) (additional source)
Onchidoris muricata (O. F. Müller, 1776) (additional source)
Ophelina acuminata Örsted, 1843 (additional source)
Owenia fusiformis Delle Chiaje, 1844 (additional source)
Paraonis fulgens (Levinsen, 1884) (additional source)
Pherusa plumosa (Müller, 1776) (additional source)
Photis reinhardi Krøyer, 1842 (additional source)
Phoxocephalus holbolli (Krøyer, 1842) (additional source)
Polycarpa fibrosa (Stimpson, 1852) (additional source)
Polycirrus medusa Grube, 1850 (additional source)
Polydora ciliata (Johnston, 1838) (additional source)
Polydora cornuta Bosc, 1802 (additional source)
Praxillella praetermissa (Malmgren, 1865) (additional source)
Priapulus caudatus Lamarck, 1816 (additional source)
Prionospio steenstrupi Malmgren, 1867 (additional source)
Protodorvillea Pettibone, 1961 (additional source)
Pycnogonum littorale (Strøm, 1762) accepted as Pycnogonum litorale (Strøm, 1762) (additional source)
Rhodine loveni Malmgren, 1865 (additional source)
Sabellides octocirrata (M. Sars, 1835) accepted as Ampharete octocirrata (Sars, 1835) (additional source)
Scalibregma inflatum Rathke, 1843 (additional source)
Scoloplos armiger (Müller, 1776) (additional source)
Sphaerosyllis hystrix Claparède, 1863 (additional source)
Spio filicornis (Müller, 1776) (additional source)
Spiophanes bombyx (Claparède, 1870) (additional source)
Styela coriacea (Alder & Hancock, 1848) (additional source)
Syllis cornuta Rathke, 1843 (additional source)
Terebellides stroemii Sars, 1835 (additional source)
Thelepus cincinnatus (Fabricius, 1780) (additional source)