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 Cycadophytanae Doweld (2001)
           Phylum †Peltaspermophyta Doweld (2001) see Division Pteridospermatophyta Meyen
             Class †Peltaspermopsida Doweld (2001)
               Order †Sporophyllitales Doweld (2001)
                 Family †Sporophyllitaceae Doweld (2001) [monotypic]
                   Genus †Sporophyllites V.I. Tschalyschev ex Fefil. (1978)