Actinioidea

Actinioidea is a superfamily of sea anemones in the order Actiniaria.

Families classified in the superfamily Actinioidea include:
 * Family Actiniidae
 * Family Actinodendridae
 * Family Andresiidae
 * Family Capneidae
 * Family Condylanthidae
 * Family Haloclavidae
 * Family Homostichanthidae
 * Family Iosactinidae
 * Family Limnactiniidae
 * Family Liponematidae
 * Family Minyadidae
 * Family Oractinidae
 * Family Phymanthidae
 * Family Preactiniidae
 * Family Ptychodactinidae
 * Family Stichodactylidae
 * Family Thalassianthidae