Children (5 direct children, 71 direct and indirect children):
Hypopterygium
(tree size 60)
Hypopterygium moss
Dendrohypopterygium
(tree size 2)
Arbusculohypopterygium
(tree size 1)
Eohypopterygiopsis
(tree size 1)
Canalohypopterygium
(tree size 2)