Abietinaria Kirchenpauer, 1884 (additional source)
Abludomelita Karaman, 1981 (additional source)
Acanthocythereis dunelmensis (Norman, 1865) accepted as Actinocythereis dunelmensis (Norman, 1865) (additional source)
Acanthodasys Remane, 1927 (additional source)
Acanthodasys aculeatus Remane, 1927 (additional source)
Aega Leach, 1816 (additional source)
Aglantha digitale (O. F. Müller, 1776) (additional source)
Alcyonidiidae Johnston, 1837 (additional source)
Alcyonidium mytili Dalyell, 1848 accepted as Alcyonidioides mytili (Dalyell, 1848) (additional source)
Anaitides citrina (Malmgren, 1865) accepted as Phyllodoce citrina Malmgren, 1865 (basis of record)
Aplidium Savigny, 1816 (additional source)
Arachnidiidae Hincks, 1880 (additional source)
Arachnidium Hincks, 1859 (additional source)
Aspidoconcha limnoriae de Vos, 1953 (additional source)
Atollidae Hickson, 1906 (additional source)
Aurelia Lamarck, 1816 (additional source)
Aurelia aurita (Linnaeus, 1758) (additional source)
Autonoe Bruzelius, 1859 (additional source)
Autonoe longipes (Liljeborg, 1852) (additional source)
Balanus Costa, 1778 (additional source)
Biemna Gray, 1867 (additional source)
Biemna variantia (Bowerbank, 1858) (additional source)
Bursovaginoidea (basis of record)
Byblis Boeck, 1871 (additional source)
Byblis erythrops G.O. Sars, 1883 (additional source)
Byblis gaimardi (Krøyer, 1846) accepted as Byblis gaimardii (Krøyer, 1846) (additional source)
Calycella Hincks, 1864 in Allman, 1864 (additional source)
Campanulina Van Beneden, 1847 (basis of record)
Campanulina pumila (Clark, 1875) (basis of record)
Campanulinidae Hincks, 1868 (basis of record)
Campylaspis costata (Sars, 1865) (additional source)
Campylaspis rubicunda (Liljeborg, 1855) (additional source)
Candelabridae Stechow, 1921 (additional source)
Candelabrum de Blainville, 1830 (additional source)
Cerithiella metula (Lovén, 1846) (additional source)
Chirona hameri (Ascanius, 1767) (additional source)
Chrysaora Péron & Lesueur, 1810 (additional source)
Clathrina Gray, 1867 (additional source)
Clathrina coriacea (Montagu, 1814) (additional source)
Cnidaria (additional source)
Colus gracilis (da Costa, 1778) (additional source)
Crangonidae Haworth, 1825 (additional source)
Crenella decussata (Montagu, 1808) (additional source)
Cribrilina Gray, 1848 (additional source)
Cribrilina annulata (O. Fabricius, 1780) accepted as Juxtacribrilina annulata (Fabricius, 1780) (additional source)
Cribrilina cryptooecium Norman, 1903 accepted as Cribrilina (Cribrilina) cryptooecium Norman, 1903 (additional source)
Cribrilina punctata (Hassall, 1841) (additional source)
Cyanea Péron & Lesueur, 1810 (additional source)
Cyanea capillata (Linnaeus, 1758) (additional source)
Cyaneidae L. Agassiz, 1862 (additional source)
Cyclorhagida (additional source)
Dactylopodola Strand, 1929 (additional source)
Dactylopodola typhle (Remane, 1927) (additional source)
Dactylopodolidae Strand, 1929 (additional source)
Daptonema Cobb, 1920 (additional source)
Dendrodoa MacLeay, 1824 (additional source)
Desmacella Schmidt, 1870 (additional source)
Desmacellidae Ridley & Dendy, 1886 (additional source)
Diastylis laevis Norman, 1869 (additional source)
Didemnum Savigny, 1816 (additional source)
Diphyinae Quoy & Gaimard, 1827 (additional source)
Diplodasyinae Ruppert, 1978 (basis of record)
Echinoderes Claparède, 1863 (additional source)
Echinoderidae Carus, 1885 (additional source)
Echiurus Guérin-Méneville, 1831 (additional source)
Ekmania barthii (Troschel, 1846) (additional source)
Electra Lamouroux, 1816 (additional source)
Electra pilosa (Linnaeus, 1767) (additional source)
Elofsonella concinna (Jones, 1857) Pokorny, 1955 (additional source)
Ericthonius rubricornis (Stimpson, 1853) (additional source)
Escharina Milne Edwards, 1836 (additional source)
Euclymene droebachiensis (Sars, 1872) (additional source)
Eucythere argus (Sars, 1866) (additional source)
Eudendriidae L. Agassiz, 1862 (basis of record)
Eurypon Gray, 1867 (additional source)
Eurytemora hirundoides (Nordquist, 1888) accepted as Eurytemora affinis (Poppe, 1880) accepted as Eurytemora affinis affinis (Poppe, 1880) (source of synonymy)
Eurytemora hirundoides (Nordquist, 1888) accepted as Eurytemora affinis (Poppe, 1880) accepted as Eurytemora affinis affinis (Poppe, 1880) (basis of record)
Flabellina verrucosa (M. Sars, 1829) accepted as Coryphella verrucosa (M. Sars, 1829) (basis of record)
Flustra Linnaeus, 1761 (additional source)
Flustrellidridae Bassler, 1953 (additional source)
Galathowenia fragilis (Nilsen & Holthe, 1985) (additional source)
Gattyana amondseni (Malmgren, 1867) (additional source)
Gnathostomula Ax, 1956 (additional source)
Gnathostomulidae (additional source)
Gonatus steenstrupi Kristensen, 1981 (additional source)
Halisarca dujardinii Johnston, 1842 (additional source)
Harmothoe longisetis Auctt. non Grube, 1863 accepted as Harmothoe glabra (Malmgren, 1865) (basis of record)
Harmothoe longisetis Auctt. non Grube, 1863 accepted as Harmothoe glabra (Malmgren, 1865) (source of synonymy)
Harmothoe longisetis (Grube, 1863) (additional source)
Harpinia plumosa (Krøyer, 1842) (additional source)
Hemilamprops uniplicatus (Sars G.O., 1872) (additional source)
Hemimycale Burton, 1934 (additional source)
Homalorhagida accepted as Allomalorhagida (additional source)
Hormathia digitata (O.F. Müller, 1776) (additional source)
Hornera lichenoides (Linnaeus, 1758) (additional source)
Hymeraphia Bowerbank, 1864 (additional source)
Hymeraphia stellifera Bowerbank, 1864 (additional source)
Laomedea Lamouroux, 1812 (additional source)
Laomedea flexuosa Alder, 1857 (additional source)
Macrodasyidae Remane, 1924 (additional source)