Abietinaria fusca (Johnston, 1847) (basis of record)
Calycella hispida (Nutting, 1896) (additional source)
Clytia islandica (Kramp, 1919) (additional source)
Craspedacusta sowerbii Lankester, 1880 (additional source)
Dicoryne conybearei (Allman, 1864) (additional source)
Ectopleura crocea (Agassiz, 1862) (additional source)
Ectopleura larynx (Ellis & Solander, 1786) (additional source)
Eudendrium arbuscula Wright, 1859 (basis of record)
Eudendrium armstrongi Stechow, 1909 (basis of record)
Halecium beanii (Johnston, 1838) (additional source)
Halecium lankesteri (Bourne, 1890) accepted as Halecium lankesterii (Bourne, 1890) (basis of record)
Halecium plumosum Hincks, 1868 (additional source)
Halecium textum Kramp, 1911 (additional source)
Hebella parvula (Hincks, 1853) (basis of record)
Hydractinia areolata Alder, 1862 accepted as Podocoryna areolata (Alder, 1862) (basis of record)
Hydractinia borealis (Mayer, 1900) accepted as Podocoryna borealis (Mayer, 1900) (basis of record)
Hydractinia carnea (M. Sars, 1846) accepted as Podocoryna carnea M. Sars, 1846 (additional source)
Hydractinia claviformis (Bouillon, 1965) accepted as Hydractinia proboscidea (Hincks, 1868) (additional source)
Hydractinia proboscidea (Hincks, 1868) (basis of record)
Lafoea fruticosa (Sars, 1851) accepted as Lafoea dumosa (Fleming, 1820) (additional source)
Lovenella assimilis (Browne, 1905) (additional source)
Neoturris breviconis (Murbach & Shearer, 1902) (basis of record)
Podocorynoides minima (Trinci, 1903) (basis of record)
Sarsia densa (Hartlaub, 1897) (basis of record)
Solmissus incisus (Fewkes, 1886) accepted as Solmissus incisa (Fewkes, 1886) (basis of record)
Turritopsis polycirrha (Keferstein, 1862) (basis of record)