Children (7 direct children, 352 direct and indirect children):
Choreonematoideae
(tree size 3)
Melobesioideae
(tree size 171)
Mesophyllum
(tree size 143)
Austrolithoideae
(tree size 7)
Nullipora
(tree size 16)
Aethesolithon
(tree size 4)
Callilithophytum
(tree size 1)