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 Polypodiaceae J.Presl & C.Presl (1822) - polygrams
               Subfamily Drynarioideae Crabbe, Jermy & Mickel (1975)
                 1 Genus Aglaomorpha Schott (1836)
                 2 Genus Arthromeris (T.Moore) J.Sm. (1875)
                 3 Genus Christiopteris Copel. (1917), orth. inval. see Genus Christopteris Copel. (1905)
                 4 Genus Drynaria (Bory) J.Sm. (1841), nom. cons. see Genus Aglaomorpha Schott (1836)
                 5 Genus Gymnogrammitis Griffith (1849)
                 6 Genus Paraselliguea Hovenkamp
                 7 Genus Phymatopteris Pic.Serm. see Genus Selliguea Bory (1824)
                 8 Genus Polypodiopteris C.F.Reed (1948)
                 9 Genus Selliguea Bory (1824)