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