Actinioidea
Families
Actiniidae Rafinesque, 1815
Actinodendridae Haddon, 1898
Andresiidae Stephenson, 1922
Condylanthidae Stephenson, 1922
Haloclavidae Verrill, 1899
Harenactidae Hamilton, Daly & Rodríguez, 2022
Heteractidae Andres, 1883
Heteranthidae Carlgren, 1900
Homostichanthidae Carlgren, 1900
Iosactinidae Riemann-Zürneck, 1997
Limnactiniidae Carlgren, 1921
Liponematidae Hertwig, 1882
Oractiidae Riemann-Zürneck, 2000
Peachiidae Hamilton, Daly & Rodríguez, 2022
Phymanthidae Andres, 1883
Preactiniidae England in England & Robson, 1984
Ptychodactinidae Appellöf, 1893
Stichodactylidae Andres, 1883
Tealidae Hertwig, 1882
Thalassianthidae Milne Edwards, 1857
Synoniemen
Bronnen, noten en/of referenties