Subclass Polypodiidae Poche 1914 (fern)
Polypodiopsida - Polypodiidae - Polypodiidae
Full reference: F. Poche. 1914. Das System der Coelenterata. Archiv für Naturgeschichte 80:47-128
Parent taxon: Polypodiopsida according to PPG. I 2016
See also Cronquist et al. 1966 and Kenrick and Crane 1997
Sister taxa: Acrocarpus, Biretisporites, Blechnaceae, Cladophlebis, Dicksoniaceae, Equisetidae, Gleicheniaceae, Marattiidae, Marsileaceae, Osmundaceae, Polypodiaceae, Protopteris, Pseudosalvinia, Pterygopteris, Punctatosporites, Schizopteris, Tempskyaceae, Verrucosisporites
Subtaxa: Cyatheales Gleicheniales Hymenophyllales Osmundales Polypodiales Salviniales Schizaeales