Children (10 direct children, 408 direct and indirect children):
Axinellidae
(tree size 282)
Heteroxyidae
(tree size 52)
Ceratoporellidae
Stelligeridae
(tree size 64)
Milleporellidae
Actinostromariidae
Cladocoropsidae
Neuroporidae
Syringostrominidae
Actinostromarianinidae