Invalid subtaxa: Cordulia scheuchzeri Massalongo 1856 [nomen dubium], Cymatophlebia mongolica Cockerell 1924 [nomen dubium], Miopetalura orientalis Hong 1985 [nomen dubium], Nasiaeschna orientalis Hong 1985 [nomen dubium], Stenogomphus scudderi Cockerell 1921 [nomen dubium]
Parent taxon: Odonata according to B. L. Zhang et al. 2008
Sister taxa: Anisozygoptera, Antitaxineura, Epiproctophora, Heterothemis, Idionychidae, Kobdoneura, Libellulina, Mesomantidiidae, Orthaeschnites, Oryctothemis, Peraphlebia, Perissophlebia, Proaeschna, Sogdothemis, Somatochlora, Syrrhoe, Triassophlebia, Trichocnemis, Zygoptera
Subtaxa: Aeschnidioidea, Austroprotolindenia, Cratopetaliidae, Euanisoptera, Hageniidae, Henrotayiidae, Ixtahua, Juragomphidae, Kazakhophlebiella, Libelluloidea, Liupanshaniidae, Magnathemidae, Megaphlebiidae, Necrogomphus, Nothomacromiidae, Petalurida, Petaluridae, Pritykiniella, Proterogomphidae
Ecology: fast-moving volant carnivore-insectivore