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 Hypodematiaceae Ching
               1 Genus Didymochlaena Desv. (1811)
               2 Genus Hypodematium Kunze (1833)
               3 Genus Leucostegia C.Presl (1836)