Kingdom [Plantae] Haeckel (1866) - plants Division Pteridophyta Schimp. (1879) see Subphylum Pteridophytina (Eichler) Cavalier-Sm. (1998) Class Filicopsida C.Agardh (1822) - ferns see Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966) Order †Coenopteridales Delevoryas & Morgan 1 Family †Rhacophytaceae Radcz. (1963) 2 Family †Zygopteridaceae P.Bertrand ex D.H.Scott (1912) 3 Family †Stauropteridaceae Hirmer (1927) 4 Family †Corynepteridaceae Cleal (1993) see Family Zygopteridaceae P.Bertrand ex D.H.Scott (1912) 5 Family †Biscalithecaceae Cleal (1993) see Family Zygopteridaceae P.Bertrand ex D.H.Scott (1912)