Children (8 direct children, 801 direct and indirect children):
Asteriidae
(tree size 608)
Heliasteridae
(tree size 9)
Zoroasteridae
(tree size 65)
Pedicellasteridae
(tree size 65)
Labidiasteridae
(tree size 4)
Pycnopodiidae
(tree size 5)
Stichasteridae
(tree size 33)
Neomorphasteridae
(tree size 4)