Children (10 direct children, 47 direct and indirect children):
Hexactinella
(tree size 15)
Tretodictyum
(tree size 10)
Cyrtaulon
(tree size 3)
Anomochone
(tree size 4)
Sclerothamnopsis
(tree size 2)
Psilocalyx
(tree size 1)
Tretocalyx
(tree size 1)
Sclerothamnus
(tree size 1)
Tretodictyinae
Placotrematinae