Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
   Subkingdom Pteridobiotina Britton & A. Br. (1896)
     Superdivision Cycadophytanae Doweld (2001) see Superphylum Cycadophytanae Doweld (2001)
       Division †Pteridospermatophyta Meyen
         Class †Lyginopteridopsida Novák (1961)
           Order †Lyginopteridales Havlena (1961)
             Family †Lyginopteridaceae Zalessky (1906)
               Genus †Lagenospermopteris Doweld (2003), nom. illeg. see Genus Eusphenopteris Gothan ex Simson-Schar. (1934), nom. cons.