Children (30 direct children, 770 direct and indirect children):
Zancleidae
(tree size 52)
Zancleopsidae
(tree size 9)
Porpitidae
(tree size 12)
The chondrophore family
Cladonematidae
(tree size 31)
Candelabridae
(tree size 31)
Acaulidae
(tree size 8)
Boreohydridae
(tree size 7)
Cladocorynidae
(tree size 19)
Corymorphidae
(tree size 161)
Corynidae
(tree size 147)
Hydridae
(tree size 59)
Hydrocorynidae
(tree size 9)
Halimedusidae
(tree size 7)
Moerisiidae
(tree size 16)
Margelopsidae
(tree size 10)
Tubulariidae
(tree size 99)
Sphaerocorynidae
(tree size 15)
Paulinum
(tree size 2)
Paulinum (hydrozoan)
Milleporidae
(tree size 29)
Tetraralphia
(tree size 1)
Cnidocodon
(tree size 2)
Asyncorynidae
(tree size 4)
Rhabdoon
(tree size 4)
Tricyclusidae
(tree size 2)
Oonautes
(tree size 1)
Corynoidea
Moerisioidea
Tubularioidea
Pseudosolanderiidae
Pteronemidae
(tree size 3)