Superfamily Caenoidea Newman 1853 (mayfly)
Parent taxon: Ephemeroptera according to N. D. Sinitshenkova 2000
Sister taxa: Aenigmephemeridae, Babidae, Caenoephemera, Durlophlebia, Epeoromimidae, Ephemeroidea, Euplectoptera, Heptagenioidea, Mesephemeridae, Palingeniidae, Palingeniopsidae, Sharephemeridae, Sinoephemera, Doteridae, Phthartus, Dyadentomum, Thnetus, Aphelophlebodidae
Subtaxa: none
Ecology: