Domain Eucaryota Subdomain Chlorota Doweld (2001) Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Subkingdom Pteridobiotina Britton & A. Br. (1896) Superphylum Pteridophytanae Doweld (2001) Phylum Pteridophyta Schimp. (1879) see Phylum Filicinophyta Class Pteridopsida Ritgen (1828) see Order Polypodiales Link (1833) Subclass Pterididae Schmakov (2001) [monotypic] 2 Order Pteridales Doweld (2001) see Order Polypodiales Link (1833)