Children (19 direct children, 182 direct and indirect children):
Columbianum
(tree size 4)
Siphonacme
(tree size 8)
Gonatotrichus
(tree size 2)
Lomboknium
(tree size 3)
Pterozonium
(tree size 12)
Siphonophora
(tree size 122)
Siphonophora (genus)
Rhinosiphora
(tree size 7)
Okeanozonium
(tree size 1)
Linozonium
(tree size 2)
Yukatanium
(tree size 2)
Annamnium
Bactrois
Balizonium
Californizonium
Columbiozonium
Cordillerium
Guatemalium
Siphonocybe
Siphonophorella