Actinauge richardi (Marion, 1906) (additional source)
Actinernus Verrill, 1879 (additional source)
Actinia cari Delle Chiaje, 1822 (additional source)
Actinia equina (Linnaeus, 1758) (additional source)
Actiniidae Rafinesque, 1815 (additional source)
Actinostola Verrill, 1883 (additional source)
Adamsia palliata (Fabricius, 1779) accepted as Calliactis palliata (Müller, 1776) (additional source)
Aiptasia Gosse, 1858 (additional source)
Aiptasia couchii Gosse (additional source)
Aiptasia diaphana (Rapp, 1829) accepted as Exaiptasia diaphana (Rapp, 1829) (additional source)
Aiptasia mutabilis (Gravenhorst, 1831) (additional source)
Alicia costae (Panceri, 1868) accepted as Alicia mirabilis Johnson, 1861 (additional source)
Alicia mirabilis Johnson, 1861 (additional source)
Aliciidae Duerden, 1895 (additional source)
Amphianthus bathybium Hertwig, 1882 (additional source)
Andvakia mirabilis Danielssen, 1890 (additional source)
Anemonia sulcata (Pennant, 1777) (additional source)
Antholoba Hertwig, 1882 (additional source)
Anthosactis Danielssen, 1890 (additional source)
Aureliania Gosse, 1860 (additional source)
Bolocera tuediae (Johnston, 1832) (additional source)
Bunodeopsis strumosa Andrès, 1881 (additional source)
Capnea Forbes, 1841 (additional source)
Cereus pedunculatus (Pennant, 1777) (additional source)
Cerianthus lloydii Gosse, 1859 accepted as Synarachnactis lloydii (Gosse, 1859) (additional source)
Condylactis aurantiaca (Delle Chiaje, 1825) (additional source)
Corallimorphidae Hertwig, 1882 (additional source)
Corallimorphus rigidus Moseley, 1877 (additional source)
Corynactis viridis Allman, 1846 (additional source)
Cylista Wright, 1859 (additional source)
Edwardsiella Andres, 1883 (additional source)
Edwardsiidae Andres, 1881 (additional source)
Epizoanthus Gray, 1867 (additional source)
Gerardia savalia (Bertoloni, 1819) accepted as Savalia savaglia (Bertoloni, 1819) (additional source)
Gonactinia Sars, 1851 (additional source)
Gonactiniidae Carlgren, 1893 (additional source)
Halcampa arctica Carlgren, 1893 (additional source)
Halcampa chrysanthellum (Peach in Johnston, 1847) (additional source)
Halcampa duodecimcirrata (Sars, 1851) (additional source)
Hormathia coronata (Gosse, 1858) (additional source)
Hormathia digitata (O.F. Müller, 1776) (additional source)
Hormathia marioni (Haddon, 1889) (additional source)
Kadosactis Danielssen, 1890 (additional source)
Metridium dianthus (Ellis, 1768) (additional source)
Paranthus Andres, 1883 (additional source)
Paraphellia expansa Haddon, 1886 (additional source)
Peachia Gosse, 1855 (additional source)
Phellia gausapata Gosse, 1858 (additional source)
Phelliactis hertwigii Simon, 1892 (additional source)
Phymanthidae Andres, 1883 (additional source)
Protanthea Carlgren, 1891 (additional source)
Pycnanthus McMurrich, 1893 (additional source)
Sagartia undata (Müller, 1778) (additional source)
Sagartiidae Gosse, 1858 (additional source)
Sideractis glacialis Danielssen, 1890 (additional source)
Stomphia (Gosse, 1859) (additional source)
Tealidium Hertwig, 1882 (additional source)