†suborder Iridopteridineae Arnold 1940 (fern)
Parent taxon: Coenopteridales according to H. N. Andrews 1970
Sister taxa: Ankyropteris, Apotropteris, Arpexylon, Biscalitheca, Botrychioxylon, Botryopteris, Chacassopteris, Clepsydropsis, Dineuron, Diplolabis, Etapteris, Grammatopteris, Gymnoneuropteris, Langoxylon, Metaclepsydropsis, Microzygia, Monoscalitheca, Protoclepsydropsis, Protothamnopteris, Radstockia, Schizostachys, Selenopteris, Stauropteris, Stelastellara, Unatheca, Zygopteridaceae, Zygopteris
Subtaxa: Iridopteris
Distribution: