Actiniidae
(tree size 1215)
Stichodactylidae
(tree size 48)
Thalassianthidae
(tree size 20)
Condylanthidae
(tree size 21)
Aliciidae
(tree size 40)
Phymanthidae
(tree size 33)
Ptychodactiidae
(tree size 5)
Ptychodactinidae
Liponematidae
(tree size 11)
Capneidae
(tree size 19)
Homostichanthidae
(tree size 4)
Actinodendridae
(tree size 2)
Iosactinidae
Preactinidae