Children (19 direct children, 149 direct and indirect children):
Glossopteridales
(tree size 15)
Caytoniales
(tree size 6)
Lyginopteridales
(tree size 5)
Medullosales
(tree size 57)
Buteoxylonales
Calamopityales
(tree size 5)
Callistophytales
(tree size 6)
Corystospermales
Peltaspermales
(tree size 24)
Petriellales
Lyginopteris
(tree size 1)
Pteridospermales
(tree size 3)
Pteridospermopsida
(tree size 4)
Arberiales
(tree size 1)
Leptostrobales
(tree size 2)
Gigantonomiales
Pentoxylopsida
Psygmophyllum
(tree size 1)
Lyginopteridopsida