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