Children (15 direct children, 48 direct and indirect children):
Heteractis
(tree size 10)
Stichodactyla
(tree size 8)
Stoichactis
(tree size 15)
Discosomoides
Helianthopsis
Homactis
Ixalactis
Macranthea
Melactis
Metactis
Polyparium
Ropalactis
Stichodactis
Stichodactylae
Stychodactyla