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 Family †Biscalithecaceae Cleal (1993) see Family Zygopteridaceae P.Bertrand ex D.H.Scott (1912)