Children (16 direct children, 1496 direct and indirect children):
Cordulegastroidea
(tree size 156)
Petaluroidea
(tree size 20)
Gomphoidea
(tree size 1298)
Aeschnidiidae
(tree size 2)
Aeschnidiid
Nannogomphidae
(tree size 2)
Proterogomphidae
(tree size 2)
Gomphomacromiidae
Pseudocorduliidae
Hageniidae
Megaphlebiidae
Henrotayiidae
Magnathemidae
Cratopetaliidae
Juragomphidae
Nothomacromiidae
Aeschnidioidea