Acauloides ammisatum Bouillon, 1965 (redescription)
Amphinema dinema (Péron & Lesueur, 1810) (redescription)
Amphinema rugosum (Mayer, 1900) (redescription)
Annatiara affinis (Hartlaub, 1914) (redescription)
Bimeria vestita Wright, 1859 (redescription)
Boreohydra simplex Westblad, 1937 accepted as Plotocnide borealis Wagner, 1885 (redescription)
Bougainvillia britannica (Forbes, 1841) (redescription)
Bougainvillia macloviana Lesson, 1830 (redescription)
Bougainvillia muscoides (Sars, 1846) (redescription)
Bougainvillia muscus (Allman, 1863) (redescription)
Bougainvillia principis (Steenstrup, 1850) (redescription)
Bougainvillia pyramidata (Forbes & Goodsir, 1853) (redescription)
Bougainvillia superciliaris (L. Agassiz, 1849) (redescription)
Candelabrum cocksii (Cocks, 1854) (redescription)
Candelabrum phrygium (Fabricius, 1780) (additional source)
Cladonema radiatum Dujardin, 1843 (redescription)
Clava multicornis (Forsskål, 1775) (redescription)
Codonium proliferum (Forbes, 1848) (redescription)
Cordylophora caspia (Pallas, 1771) (redescription)
Corymorpha nana Alder, 1857 (redescription)
Corymorpha nutans M. Sars, 1835 (redescription)
Coryne eximia Allman, 1859 (additional source)
Coryne eximia Allman, 1859 (redescription)
Coryne muscoides (Linnaeus, 1761) (redescription)
Coryne pintneri Schneider, 1897 (redescription)
Coryne pusilla Gaertner, 1774 (redescription)
Dicoryne conferta (Alder, 1856) (redescription)
Dicoryne conybearei (Allman, 1864) (redescription)
Ectopleura L. Agassiz, 1862 (redescription)
Ectopleura crocea (Agassiz, 1862) (redescription)
Ectopleura dumortierii (Van Beneden, 1844) (redescription)
Ectopleura larynx (Ellis & Solander, 1786) (redescription)
Eleutheria dichotoma Quatrefages, 1842 (redescription)
Eucodonium brownei Hartlaub, 1907 (redescription)
Eudendrium album Nutting, 1898 (redescription)
Eudendrium annulatum Norman, 1864 (redescription)
Eudendrium arbuscula Wright, 1859 (redescription)
Eudendrium capillare Alder, 1856 (redescription)
Eudendrium capillaroides Schuchert, 2008 (redescription)
Eudendrium glomeratum Picard, 1952 (redescription)
Eudendrium rameum (Pallas, 1766) (redescription)
Eudendrium ramosum (Linnaeus, 1758) (redescription)
Eudendrium ramosum (Linnaeus, 1758) (additional source)
Euphysa aurata Forbes, 1848 (redescription)
Garveia franciscana (Torrey, 1902) accepted as Calyptospadix cerulea Clarke, 1882 (redescription)
Garveia nutans Wright, 1859 (redescription)
Hybocodon prolifer Agassiz, 1860 (redescription)
Hydractinia areolata Alder, 1862 accepted as Podocoryna areolata (Alder, 1862) (redescription)
Hydractinia echinata (Fleming, 1828) (redescription)
Hydractinia proboscidea (Hincks, 1868) (redescription)
Leuckartiara nobilis Hartlaub, 1914 (redescription)
Leuckartiara octona (Fleming, 1823) (redescription)
Lizzia blondina Forbes, 1848 (redescription)
Margelopsis haeckelii Hartlaub, 1897 (redescription)
Merona cornucopiae (Norman, 1864) (redescription)
Neoturris breviconis (Murbach & Shearer, 1902) (redescription)
Neoturris pileata (Forsskål, 1775) (redescription)
Pachycordyle michaeli (Berrill, 1948) (additional source)
Pachycordyle navis (Millard, 1959) accepted as Pachycordyle michaeli (Berrill, 1948) (redescription)
Pandea conica (Quoy & Gaimard, 1827) (redescription)
Plotocnide borealis Wagner, 1885 (redescription)
Podocoryna areolata (Alder, 1862) (redescription)
Podocoryna borealis (Mayer, 1900) (redescription)
Podocoryna carnea M. Sars, 1846 (redescription)
Podocorynoides minima (Trinci, 1903) (redescription)
Proboscidactyla stellata (Forbes, 1846) (redescription)
Protohydra leuckarti Greeff, 1870 (redescription)
Rathkea octopunctata (M. Sars, 1835) (redescription)
Rhizorhagium arenosum (Alder, 1862) (redescription)
Rhizorhagium roseum M. Sars, 1874 (redescription)
Sarsia lovenii (M. Sars, 1846) (redescription)
Sarsia occulta Edwards, 1978 (redescription)
Sarsia piriforma Edwards, 1983 (redescription)
Sarsia striata Edwards, 1983 (redescription)
Sarsia tubulosa (M. Sars, 1835) (redescription)
Slabberia halterata Forbes, 1846 (redescription)
Slabberia simulans (Bouillon, 1965) (redescription)
Stauridiosarsia gemmifera (Forbes, 1848) (redescription)
Stauridiosarsia ophiogaster (Haeckel, 1879) (redescription)
Stauridiosarsia producta (Wright, 1858) (redescription)
Thecocodium brieni Bouillon, 1967 (redescription)
Trichydra pudica Wright, 1857 (redescription)
Tubularia indivisa Linnaeus, 1758 (redescription)
Turritopsis polycirrha (Keferstein, 1862) (redescription)
Velella velella (Linnaeus, 1758) (redescription)
Zanclea implexa (Alder, 1856) (redescription)
Zanclea sessilis (Gosse, 1853) (redescription)