Children (9 direct children, 168 direct and indirect children):
Planaxis
(tree size 52)
Hinea
(tree size 12)
Supplanaxis
(tree size 9)
Fissilabia
(tree size 4)
Simulathena
(tree size 1)
Holcostoma
(tree size 2)
Halotapada
(tree size 1)
Fossarinae
(tree size 66)
Planaxinae
(tree size 12)