Children (12 direct children, 4688 direct and indirect children):
Holaxonia
(tree size 1367)
Alcyoniidae
(tree size 700)
Nephtheidae
(tree size 668)
Calcaxonia
(tree size 1074)
Scleraxonia
(tree size 506)
Xeniidae
(tree size 211)
Xenidae
Nidaliidae
(tree size 117)
Paralcyoniidae
(tree size 21)
Aquaumbridae
(tree size 2)
Acrophytidae
Corymbophytidae
(tree size 2)
Leptophytidae
(tree size 8)