Infraorder Euholognatha Zwick 1973 (stonefly)
Parent taxon: Arctoperlaria according to P. Zwick 2000
Sister taxa: Kachinoperlidae, Perspicuusoperlidae, Systellognatha, Barathronympha, Baleyopterygidae, Oecanthoperlidae, Palaeonemouridae, Perlariopseidae
Subtaxa: Nemouroidea
Ecology: volant detritivore-omnivore