Domain Eucaryota Subdomain Chlorota Doweld (2001) Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Subkingdom Pteridobiotina Britton & A. Br. (1896) Superphylum Pteridophytanae Doweld (2001) Phylum Pteridophyta Schimp. (1879) see Phylum Filicinophyta Class Schizaeopsida Doweld (2001) [monotypic] Order Schizaeales Schimp. (1869) 1 Family †Acrostichopteridaceae C.F.Reed (1948) 2 Family †Tempskyaceae C.B.Read & R.W.Br. ex C.F.Reed (1948) 3 Family †Klukiaceae C.F.Reed (1948) 4 Family Schizaeaceae Kaulf. (1827) 5 Family Anemiaceae Link (1841) 6 Family †Cynepteridaceae Ash (1969) 7 Family Lygodiaceae M. Roem. (1840) - climbing ferns