Children (21 direct children, 261 direct and indirect children):
Obelia
(tree size 25)
Clytia
(tree size 87)
Clytia (hydrozoan)
Orthopyxis
(tree size 28)
Tulpa
(tree size 2)
Gonothyraea
(tree size 4)
Gastroblasta
(tree size 4)
Laomedea
(tree size 14)
Rhizocaulus
(tree size 2)
Billardia
(tree size 4)
Silicularia
(tree size 4)
Calamphora
(tree size 4)
Campanularia
(tree size 57)
Pseudoclytia
(tree size 1)
Obeliinae
(tree size 2)
Gastroblastea
(tree size 1)
Zelounies
(tree size 1)
Campanulariinae
Clytiinae
Eucope
Eucopium
Verticillina