Abietinaria Kirchenpauer, 1884 (basis of record)
Abietinaria abietina (Linnaeus, 1758) (basis of record)
Acryptolaria Norman, 1875 (basis of record)
Aegina Eschscholtz, 1829 (basis of record)
Aegina citrea Eschscholtz, 1829 (basis of record)
Aeginura Haeckel, 1879 (basis of record)
Aeginura grimaldii Maas, 1904 (basis of record)
Aequorea Péron & Lesueur, 1810 (basis of record)
Amphinema Haeckel, 1879 (basis of record)
Amphinema rubrum (Kramp, 1957) (basis of record)
Amphisbetia L. Agassiz, 1862 (basis of record)
Amphisbetia operculata (Linnaeus, 1758) (basis of record)
Annatiara Russell, 1940 (basis of record)
Annatiara affinis (Hartlaub, 1914) (basis of record)
Arctapodema Dall, 1907 (basis of record)
Arctapodema ampla (Vanhöffen, 1902) (basis of record)
Bimeria Wright, 1859 (basis of record)
Bimeria vestita Wright, 1859 (basis of record)
Botrynema Browne, 1908 (basis of record)
Botrynema brucei Browne, 1908 (basis of record)
Bougainvillia Lesson, 1830 (basis of record)
Bougainvillia macloviana Lesson, 1830 (basis of record)
Branchiocerianthus Mark, 1898 (basis of record)
Branchiocerianthus norvegicus Brattström, 1956 (basis of record)
Bythotiara Günther, 1903 (basis of record)
Calycopsis Fewkes, 1882 (basis of record)
Campanularia Lamarck, 1816 (basis of record)
Candelabrum de Blainville, 1830 (basis of record)
Clytia Lamouroux, 1812 (basis of record)
Clytia paulensis (Vanhöffen, 1910) (basis of record)
Colobonema Vanhöffen, 1902 (basis of record)
Colobonema sericeum Vanhöffen, 1902 (basis of record)
Corymorpha M. Sars, 1835 (basis of record)
Coryne Gaertner, 1774 (basis of record)
Crossota Vanhöffen, 1902 (basis of record)
Crypthelia Milne Edwards & Haime, 1849 (basis of record)
Cunina Eschscholtz, 1829 (basis of record)
Dynamena Lamouroux, 1812 (basis of record)
Ectopleura L. Agassiz, 1862 (basis of record)
Errina Gray, 1835 (basis of record)
Eudendrium Ehrenberg, 1834 (basis of record)
Eudendrium capillare Alder, 1856 (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)
Euphysora Maas, 1905 accepted as Corymorpha M. Sars, 1835 (basis of record)
Filellum Hincks, 1868 (basis of record)
Filellum serpens (Hassall, 1848) (basis of record)
Filellum serratum (Clarke, 1879) (basis of record)
Gossea L. Agassiz, 1862 accepted as Octobulbacea Zamponi, 1983 (basis of record)
Grammaria Stimpson, 1853 (basis of record)
Gymnogonos Bonnevie, 1898 (basis of record)
Halecium Oken, 1815 (basis of record)
Halecium delicatulum Coughtrey, 1876 (basis of record)
Halecium mediterraneum Weismann, 1883 (basis of record)
Halecium tenellum Hincks, 1861 (basis of record)
Halicreas Fewkes, 1882 (basis of record)
Halicreas minimum Fewkes, 1882 (basis of record)
Haliscera Vanhöffen, 1902 (basis of record)
Haliscera bigelowi Kramp, 1947 (basis of record)
Haliscera conica Vanhöffen, 1902 (basis of record)
Haliscera racovitzae (Maas, 1906) (basis of record)
Halitholus Hartlaub, 1914 (basis of record)
Halitiara Fewkes, 1882 (basis of record)
Halitrephes Bigelow, 1909 (basis of record)
Halitrephes maasi Bigelow, 1909 (basis of record)
Halopsis Agassiz, 1865 (basis of record)
Halopsis ocellata Agassiz, 1865 (basis of record)
Hebella Allman, 1888 (basis of record)
Hybocodon L. Agassiz, 1860 (basis of record)
Hydractinia Van Beneden, 1844 (basis of record)
Hydrodendron Hincks, 1874 (basis of record)
Kirchenpaueria Jickeli, 1883 (basis of record)
Koellikerina Kramp, 1939 (basis of record)
Lafoea Lamouroux, 1821 (basis of record)
Lafoea dumosa (Fleming, 1820) (basis of record)
Lafoea fruticosa (Sars, 1851) accepted as Lafoea dumosa (Fleming, 1820) (basis of record)
Lafoeina Sars, 1874 (basis of record)
Laodicea Lesson, 1843 (basis of record)
Laodicea undulata (Forbes & Goodsir, 1853) (basis of record)
Lepidopora Pourtalès, 1871 (basis of record)
Leuckartiara Hartlaub, 1914 (basis of record)
Margelopsis Hartlaub, 1897 (basis of record)
Merga Hartlaub, 1914 (basis of record)
Microhydrula Valkanov, 1965 (basis of record)
Mitrocomella Haeckel, 1879 (basis of record)
Modeeria Forbes, 1848 (basis of record)
Modeeria rotunda (Quoy & Gaimard, 1827) (basis of record)
Monobrachium Mereschkowsky, 1877 (basis of record)
Obelia Péron & Lesueur, 1810 (basis of record)
Obelia bidentata Clark, 1875 (basis of record)
Obelia geniculata (Linnaeus, 1758) (basis of record)
Obelia longissima (Pallas, 1766) (basis of record)
Opercularella Hincks, 1868 (basis of record)
Ophiodissa Stechow, 1919 accepted as Hydrodendron Hincks, 1874 (basis of record)
Orthopyxis L. Agassiz, 1862 (basis of record)
Orthopyxis everta (Clark, 1876) (basis of record)
Pandea Lesson, 1843 (basis of record)
Pandea conica (Quoy & Gaimard, 1827) (basis of record)
Pandea rubra Bigelow, 1913 (basis of record)