Abietinaria Kirchenpauer, 1884 (basis of record)
Abietinaria abietina (Linnaeus, 1758) (basis of record)
Abietinaria filicula (Ellis & Solander, 1786) (basis of record)
Abietinaria pulchra (Nutting, 1904) (basis of record)
Acaulis Stimpson, 1853 (basis of record)
Acaulis primarius Stimpson, 1853 (basis of record)
Aegina Eschscholtz, 1829 (basis of record)
Aegina citrea Eschscholtz, 1829 (basis of record)
Aeginopsis Brandt, 1835 (basis of record)
Aeginopsis laurentii Brandt, 1838 (basis of record)
Aequorea Péron & Lesueur, 1810 (basis of record)
Aequorea aequorea (Forsskål, 1775) accepted as Aequorea forskalea Péron & Lesueur, 1810 (basis of record)
Aequorea forskalea Péron & Lesueur, 1810 (basis of record)
Aequorea vitrina Gosse, 1853 (basis of record)
Aglantha Haeckel, 1879 (basis of record)
Aglantha digitale (O. F. Müller, 1776) (basis of record)
Aselomaris Berrill, 1948 accepted as Rhizorhagium M. Sars, 1874 (basis of record)
Aselomaris michaeli Berrill, 1948 accepted as Pachycordyle michaeli (Berrill, 1948) (basis of record)
Bimeria Wright, 1859 (basis of record)
Bougainvillia Lesson, 1830 (basis of record)
Bougainvillia muscoides (Sars, 1846) (basis of record)
Bougainvillia muscus (Allman, 1863) (basis of record)
Bougainvillia principis (Steenstrup, 1850) (basis of record)
Bougainvillia ramosa (Van Beneden, 1844) accepted as Bougainvillia muscus (Allman, 1863) (basis of record)
Bougainvillia rugosa Clarke, 1882 (basis of record)
Bougainvillia superciliaris (L. Agassiz, 1849) (basis of record)
Bythotiara Günther, 1903 (basis of record)
Calycella Hincks, 1864 in Allman, 1864 (basis of record)
Calycella syringa (Linnaeus, 1767) (basis of record)
Calycopsis Fewkes, 1882 (basis of record)
Campanularia Lamarck, 1816 (basis of record)
Campanularia crenata (Hartlaub, 1901) accepted as Orthopyxis crenata (Hartlaub, 1901) (basis of record)
Campanularia hincksii Alder, 1856 (basis of record)
Campanularia volubilis (Linnaeus, 1758) (basis of record)
Candelabrum de Blainville, 1830 (basis of record)
Candelabrum phrygium (Fabricius, 1780) (basis of record)
Catablema Haeckel, 1879 (basis of record)
Catablema vesicarium (A. Agassiz, 1862) (basis of record)
Cladonema Dujardin, 1843 (basis of record)
Clava Gmelin, 1791 (basis of record)
Clava multicornis (Forsskål, 1775) (basis of record)
Clytia Lamouroux, 1812 (basis of record)
Clytia gracilis (M. Sars, 1851) (basis of record)
Clytia hemisphaerica (Linnaeus, 1767) (basis of record)
Cordylophora Allman, 1844 (basis of record)
Cordylophora caspia (Pallas, 1771) (basis of record)
Corymorpha M. Sars, 1835 (basis of record)
Corymorpha groenlandica (Allman, 1876) (basis of record)
Coryne Gaertner, 1774 (basis of record)
Coryne hincksi Bonnevie, 1898 (basis of record)
Coryne pusilla Gaertner, 1774 (basis of record)
Cosmetira Forbes, 1848 (basis of record)
Cosmetira pilosella Forbes, 1848 (basis of record)
Crossota Vanhöffen, 1902 (basis of record)
Crossota norvegica Vanhöffen, 1902 (basis of record)
Cuspidella Hincks, 1866 (basis of record)
Cuspidella costata Hincks, 1868 accepted as Laodicea undulata (Forbes & Goodsir, 1853) (basis of record)
Cuspidella grandis Hincks, 1868 (basis of record)
Cuspidella humilis Hincks, 1866 (basis of record)
Cuspidella quadridentatum (Hincks, 1874) accepted as Tetrapoma quadridentatum (Hincks, 1874) (basis of record)
Dicoryne Allman, 1859 (basis of record)
Dicoryne conferta (Alder, 1856) (basis of record)
Dicoryne flexuosa Sars, 1874 accepted as Dicoryne conferta (Alder, 1856) (basis of record)
Diphasia Agassiz, 1862 (basis of record)
Diphasia fallax (Johnston, 1847) (basis of record)
Diphasia margareta (Hassall, 1841) (basis of record)
Diphasia pinastrum (Cuvier, 1830) accepted as Diphasia margareta (Hassall, 1841) (basis of record)
Diphasia rosacea (Linnaeus, 1758) (basis of record)
Dipleurosoma Boeck, 1868 (basis of record)
Dipleurosoma typicum Boeck, 1868 (basis of record)
Dipurena McCrady, 1859 accepted as Slabberia Forbes, 1846 (basis of record)
Dipurena dolichogaster Haeckel, 1864 (basis of record)
Dipurena halterata (Forbes, 1846) accepted as Slabberia halterata Forbes, 1846 (basis of record)
Dynamena Lamouroux, 1812 (basis of record)
Dynamena cornicina McCrady, 1859 accepted as Dynamena disticha (Bosc, 1802) (basis of record)
Dynamena disticha (Bosc, 1802) (basis of record)
Dynamena pumila (Linnaeus, 1758) (basis of record)
Ectopleura L. Agassiz, 1862 (basis of record)
Ectopleura crocea (Agassiz, 1862) (basis of record)
Ectopleura dumortierii (Van Beneden, 1844) (basis of record)
Eirene Eschscholtz, 1829 (basis of record)
Eucheilota McCrady, 1859 (basis of record)
Eucheilota ventricularis McCrady, 1859 (basis of record)
Eudendrium Ehrenberg, 1834 (basis of record)
Eudendrium album Nutting, 1898 (basis of record)
Eudendrium annulatum Norman, 1864 (basis of record)
Eudendrium arbusculum Hincks, 1868 accepted as Eudendrium arbuscula Wright, 1859 (basis of record)
Eudendrium capillare Alder, 1856 (basis of record)
Eudendrium carneum Clarke, 1882 (basis of record)
Eudendrium insigne Hincks, 1861 accepted as Eudendrium ramosum (Linnaeus, 1758) (basis of record)
Eudendrium rameum (Pallas, 1766) (basis of record)
Eudendrium ramosum (Linnaeus, 1758) (basis of record)
Eudendrium tenellum Allman, 1877 (basis of record)
Eudendrium vaginatum Allman, 1863 (basis of record)
Euphysa Forbes, 1848 (basis of record)
Euphysa aurata Forbes, 1848 (basis of record)
Euphysa flammea (Hartlaub, 1902) (basis of record)
Euphysa tentaculata Linko, 1905 (basis of record)
Eutonina Hartlaub, 1897 (basis of record)
Eutonina indicans (Romanes, 1876) (basis of record)

Arctic Ocean for Abietinaria abietina (Linnaeus, 1758) 
Arctic Ocean for Abietinaria filicula (Ellis & Solander, 1786) 
Arctic Ocean for Acaulis primarius Stimpson, 1853 
Arctic Ocean for Aeginopsis laurentii Brandt, 1838 
Arctic Ocean for Aglantha digitale (O. F. Müller, 1776) 
Arctic Ocean for Bougainvillia principis (Steenstrup, 1850) 
Arctic Ocean for Bougainvillia superciliaris (L. Agassiz, 1849) 
Arctic Ocean for Campanularia volubilis (Linnaeus, 1758) 
Arctic Ocean for Candelabrum phrygium (Fabricius, 1780) 
Arctic Ocean for Catablema vesicarium (A. Agassiz, 1862) 
Arctic Ocean for Clava multicornis (Forsskål, 1775) 
Arctic Ocean for Corymorpha groenlandica (Allman, 1876) 
Arctic Ocean for Coryne hincksi Bonnevie, 1898 
Arctic Ocean for Cosmetira pilosella Forbes, 1848 
Arctic Ocean for Crossota norvegica Vanhöffen, 1902 
Arctic Ocean for Cuspidella humilis Hincks, 1866 
Arctic Ocean for Cuspidella quadridentatum (Hincks, 1874) 
Arctic Ocean for Diphasia fallax (Johnston, 1847) 
Arctic Ocean for Dynamena pumila (Linnaeus, 1758) 
Arctic Ocean for Eudendrium annulatum Norman, 1864 
Arctic Ocean for Eudendrium insigne Hincks, 1861 
Arctic Ocean for Eudendrium rameum (Pallas, 1766) 
Arctic Ocean for Eudendrium tenellum Allman, 1877 
Arctic Ocean for Eudendrium vaginatum Allman, 1863 
Arctic Ocean for Euphysa aurata Forbes, 1848 
Arctic Ocean for Euphysa tentaculata Linko, 1905 
Arctic Ocean for Filellum serpens (Hassall, 1848) 
Arctic Ocean for Grammaria abietina (Sars, 1851) 
Arctic Ocean for Grammaria immersa Nutting, 1901 
Arctic Ocean for Halecium curvicaule Lorenz, 1886 
Arctic Ocean for Halecium labrosum Alder, 1859 
Arctic Ocean for Halecium minutum Broch, 1903 
Arctic Ocean for Halecium muricatum (Ellis & Solander, 1786) 
Arctic Ocean for Halitholus pauper Hartlaub, 1914 
Arctic Ocean for Halopsis ocellata Agassiz, 1865 
Arctic Ocean for Hydractinia carica Bergh, 1887 
Arctic Ocean for Hydractinia echinata (Fleming, 1828) 
Arctic Ocean for Hydractinia monocarpa Allman, 1876 
Arctic Ocean for Lafoeina maxima Levinsen, 1893 
Arctic Ocean for Laomedea flexuosa Alder, 1857 
Arctic Ocean for Leuckartiara breviconis (Murbach & Shearer, 1902) 
Arctic Ocean for Leuckartiara nobilis Hartlaub, 1914 
Arctic Ocean for Melicertum octocostatum (M. Sars, 1835) 
Arctic Ocean for Monobrachium parasitum Mereschkowsky, 1877 
Arctic Ocean for Neoturris pileata (Forsskål, 1775) 
Arctic Ocean for Opercularella lacerata (Johnston, 1847) 
Arctic Ocean for Opercularella pumila Clark, 1875 
Arctic Ocean for Polyplumaria gracillima (G.O. Sars, 1873) 
Arctic Ocean for Ptychogastria polaris Allman, 1878 
Arctic Ocean for Ptychogena lactea Agassiz, 1865 
Arctic Ocean for Rhizocaulus verticillatus (Linnaeus, 1758) 
Arctic Ocean for Rhizorhagium roseum M. Sars, 1874 
Arctic Ocean for Sarsia lovenii (M. Sars, 1846) 
Arctic Ocean for Sarsia princeps (Haeckel, 1879) 
Arctic Ocean for Sarsia tubulosa (M. Sars, 1835) 
Arctic Ocean for Sertularella rugosa (Linnaeus, 1758) 
Arctic Ocean for Sertularia cupressina Linnaeus, 1758 
Arctic Ocean for Sertularia fabricii Levinsen, 1893 
Arctic Ocean for Sertularia mirabilis (Verrill, 1873) 
Arctic Ocean for Sertularia plumosa (Clark, 1876) 
Arctic Ocean for Sertularia robusta (Clark, 1877) 
Arctic Ocean for Sertularia schmidti Kudelin, 1914 
Arctic Ocean for Sertularia tenera G. O. Sars, 1874 
Arctic Ocean for Sminthea arctica (Hartlaub, 1909) 
Arctic Ocean for Stegopoma plicatile (Sars, 1863) 
Arctic Ocean for Symplectoscyphus tricuspidatus (Alder, 1856) 
Arctic Ocean for Tamarisca tamarisca (Linnaeus, 1758) 
Arctic Ocean for Thuiaria alternitheca Levinsen, 1893 
Arctic Ocean for Thuiaria articulata (Pallas, 1766) 
Arctic Ocean for Thuiaria carica Levinsen, 1893 
Arctic Ocean for Thuiaria thuja (Linnaeus, 1758) 
Arctic Ocean for Tiaropsis multicirrata (M. Sars, 1835) 
Arctic Ocean for Tubularia indivisa Linnaeus, 1758 
Arctic Ocean for Tubularia regalis Boeck, 1860 
Baltic sea for Protohydra leuckarti Greeff, 1870 
European waters (ERMS scope) for Abietinaria abietina (Linnaeus, 1758) 
European waters (ERMS scope) for Abietinaria filicula (Ellis & Solander, 1786) 
European waters (ERMS scope) for Abietinaria pulchra (Nutting, 1904) 
European waters (ERMS scope) for Acaulis primarius Stimpson, 1853 
European waters (ERMS scope) for Aegina citrea Eschscholtz, 1829 
European waters (ERMS scope) for Aeginopsis laurentii Brandt, 1838 
European waters (ERMS scope) for Aequorea aequorea (Forsskål, 1775) 
European waters (ERMS scope) for Aequorea forskalea Péron & Lesueur, 1810 
European waters (ERMS scope) for Aequorea vitrina Gosse, 1853 
European waters (ERMS scope) for Aglantha digitale (O. F. Müller, 1776) 
European waters (ERMS scope) for Aselomaris michaeli Berrill, 1948 
European waters (ERMS scope) for Bougainvillia muscoides (Sars, 1846) 
European waters (ERMS scope) for Bougainvillia muscus (Allman, 1863) 
European waters (ERMS scope) for Bougainvillia principis (Steenstrup, 1850) 
European waters (ERMS scope) for Bougainvillia rugosa Clarke, 1882  (inaccurate)
European waters (ERMS scope) for Calycella syringa (Linnaeus, 1767) 
European waters (ERMS scope) for Campanularia hincksii Alder, 1856 
European waters (ERMS scope) for Campanularia volubilis (Linnaeus, 1758) 
European waters (ERMS scope) for Candelabrum phrygium (Fabricius, 1780) 
European waters (ERMS scope) for Catablema vesicarium (A. Agassiz, 1862) 
European waters (ERMS scope) for Clava multicornis (Forsskål, 1775) 
European waters (ERMS scope) for Clytia gracilis (M. Sars, 1851) 
European waters (ERMS scope) for Clytia hemisphaerica (Linnaeus, 1767) 
European waters (ERMS scope) for Cordylophora caspia (Pallas, 1771) 
European waters (ERMS scope) for Corymorpha groenlandica (Allman, 1876) 

 Status

 for Tiaranna globulosa (Forbes, 1848)

unrecognizable species [details]

 Taxonomic remark

 for Cunina vitrea Gegenbaur, 1857

Juvenile type specimens [details]

 Taxonomy

 for Bougainvillia charcoti Le Danois, 1913

unrecognizable [details]

 Taxonomy

 for Bougainvillia flavida Hartlaub, 1897

unrecognizable [details]

 Taxonomy

 for Clytia raridentata (Alder in Hincks, 1861)

dubious species [details]

 Taxonomy

 for Cunina lativentris Gegenbaur, 1857

dubious species [details]

 Taxonomy

 for Dipurena dolichogaster Haeckel, 1864

unrecognizable species, is either Stauridiosarsia ophiogaster or St. reesi. [details]

 Taxonomy

 for Eudendrium tenellum Allman, 1877

dubious species [details]

 Taxonomy

 for Laodicea chapmani Günther, 1903

unrecognizable [details]

 Taxonomy

 for Laodicea ocellata Babnik, 1948

unrecognizable [details]

 Taxonomy

 for Sarsia barentsi Linko, 1905

dubious species [details]

 Taxonomy

 for Sminthea arctica (Hartlaub, 1909)

dubious species [details]

 Taxonomy

 for Tiaranna ducalis (Forbes & Goodsir, 1853)

unrecognizable [details]