[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Plantae Haeckel (1866) - plants
     Division Tracheophyta see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
       Subdivision Filicophytina see Infraphylum Moniliformopses Kenrick & P.R.Crane (1997), nom. inval.
         Class Polypodinae see Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966)
           Order Hymenophyllales Link (1833)
             1 Family Hymenophyllaceae Mart. (1835) - filmy ferns
             2 Family Hymenophyllopsidaceae Pic.Serm. (1970) see Family Cyatheaceae Kaulf. (1827)