Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
   Subkingdom Pteridobiotina Britton & A. Br. (1896)
     Superdivision Pteridophytanae Doweld (2001) [monotypic] see Superphylum Pteridophytanae Doweld (2001)
       Division Monilophyta Cantino & Donoghue
         Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966) - ferns
           Order Polypodiales Link (1833) - cathetogyrates
             Family Athyriaceae Alston (1956)
               1 Genus Anisocampium C.Presl (1851) see Genus Athyrium Roth (1799)
               2 Genus Athyrium Roth (1799)
               3 Genus Cornopteris Nakai see Genus Athyrium Roth (1799)
               4 Genus Deparia Hook. & Grev.
               5 Genus Diplazium Sw. (1801)