†superphylum Cycadophytanae Doweld 2001
Full reference: A. B. Doweld. 2001. Prosyllabus Tracheophytorum. Tentamen Systematis Plantarum Vascularium.
Parent taxon: Pteridobiotina according to A. B. Doweld 2001
Sister taxa: Psylophytanae, Pteridophytanae
Subtaxa: Aneurophytophyta Cycadeoideophyta Gnetophyta Lyginopteridopsida Magnoliophyta Moresnetiophyta Noeggerathiophyta Peltaspermophyta