Synonyms: Protohymenoptera Tillyard 1924, Synsecoptera Martynov 1929
Full reference: C. Brongniart. 1885. Les insectes fossiles des terrains primaires. Coup d'oeil rapide sur la fauna entomologique des terrains paléozoïques. Bulletin de la Société des Amis des Sciences Naturelles de Rouen 21(3):50-68
Parent taxon: Megasecopteromorpha according to O. Béthoux 2020
See also Carpenter 1933, Carpenter 1992, Grimaldi and Engel 2005, Martynov 1932, Martynov 1937 and Riek 1976
Sister taxon: Diaphanopterodea
Subtaxa: Adiaphtharsia Alectoneuridae Anchineuridae Ancopteridae Archaeoscolex Archaeoscolex corneus Arcioneuridae Aspidohymenidae Aspidothoracidae Bardohymenidae Brodiidae Caulopteridae Corydaloididae Dictyoneurellidae Engisopteridae Eumegasecoptera Foririidae Ischnoptilidae Lameereites Mischopteridae Moravohymenidae Piesbergpteridae Protohymenidae Raphidiopsis Scytohymenidae Sphecopteridae Sphecorydaloididae Vorkutiidae Xenopteraidae
Ecology: