Insecta - Odonata - Hageniidae
Parent taxon: Anisoptera according to G. Bechly 2010
Sister taxa: Aeschna eudore, Aeschna parkinsoni, Aeschnidioidea, Cercus, Cercus clavus, Cordulia scheuchzeri, Cratopetaliidae, Cymatophlebia mongolica, Dissurus, Dissurus liauyuanensis, Dissurus qinquanensis, Epigomphidae, Euanisoptera, Henrotayiidae, Ictinogomphus fur, Ixtahua, Juragomphidae, Kazakhophlebiella, Libanoaeshnidae, Libellula calypso, Libellula doris, Libellula eurynome, Libellula melobasis, Libellula perse, Libellula thetis, Libellula thoe, Libelluloidea, Magnathemidae, Megaphlebiidae, Miopetalura orientalis, Necrogomphus, Nothomacromiidae, Petalurida, Pritykiniella, Proterogomphidae, Stenogomphus scudderi
Subtaxa: Cratohagenius
Ecology: fast-moving volant carnivore-insectivore
Distribution: found only at Crato (SMNS collection) (Cretaceous of Brazil)