†unranked clade Megasecopteromorpha Béthoux 2020 (winged insect)
Full reference: O. Béthoux. 2020. Taxonomic names, in The 'Megasecoptera–Diaphanopterodea' twilight zone epitomized by a new insect from Xiaheyan (Early Pennsylvanian; China). Alcheringa 44:273-278
Parent taxon: Rostropalaeoptera according to O. Béthoux 2020
Sister taxa: Palaeodictyoptera, Permothemistida
Subtaxa: Diaphanopterodea Megasecoptera
Ecology: