†unranked clade Isophlebioptera Bechly 1996 (dragonfly)
Parent taxon: Epiproctophora according to A. Nel 2009
See also Bechly 2007, Fleck and Nel 2002, Nel et al. 2002 and Zhang et al. 2010
Sister taxa: Euepiproctophora, Frenguelliidae
Subtaxa: Eosagrionidae Euthemistidae Isophlebiida Paragonophlebiidae Parazygoptera Parazygoptera Pseudostenolestidae Triassolestidae
Ecology: fast-moving volant carnivore-insectivore