Synonym: Cephalozygoptera Archibald et al. 2021
Parent taxon: Odonata according to T. J. Simonsen et al. 2022
See also Archibald et al. 2021, Bechly 2000, Bechly 2007, Carpenter 1992, Nel and Jouault 2022, Nel and Zheng 2021, Tillyard 1918 and Vega et al. 2006
Sister taxa: Anisozygoptera, Epiproctophora, Hageniella, Hageniella problematica, Haidilaozhenidae, Idionychidae, Kobdoneura, Liassophlebia clavigaster, Liassophlebia hopei, Libellula decapitata, Libellulina, Mesomantidiidae, Mesonetopsis, Orthaeschnites, Oryctothemis, Palaeophlebia, Peraphlebia, Proaeschna, Pseudoeuphaea, Pseudoeuphaea areolata, Pseudoeuphaea falsificata, Pseudoeuphaea filosa, Pseudoeuphaea obscura, Sogdothemis, Syrrhoe, Triassophlebia
Subtaxa: Agrion exhaustum Agrion hecticum Agrion mysis Agrion thais Andrephlebia Burmadysagrioninae Caloptera Dinosamarura Dysagrionidae Eopodagrion Euzygoptera Furagrion Gasophlebia Gomphus resinatus Hemiphlebioidea Italolestes Megalestes anglicus Mesomegaloprepidae Platystictoidea Podagrion abortivum Pulchrairina Samarura Santanagrion Sieblosiidae Steleopteridae Steropoides Valerea Whetwhetaksidae
Ecology: fast-moving volant carnivore-insectivore