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 Thelypteridaceae Ching ex Pic.Serm. (1970) - thelypteroids
               1 Genus Cyclosorus Link (1833)
               2 Genus Macrothelypteris (H.Ito) Ching (1963)
               3 Genus Phegopteris (C.Presl) Fée (1852)
               4 Genus Pseudophegopteris Ching (1963)
               5 Genus Thelypteris Schmidel (1763), nom. cons.