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 Gleicheniopsida Doweld (2001) see Order Gleicheniales Link (1833) Order Dipteridales Doweld (2001) see Order Gleicheniales Link (1833) 1 Family †Camptopteridaceae Krassilov, 1969 see Family Dipteridaceae Seward & E.Dale (1901) 2 Family Dipteridaceae Seward & E.Dale (1901) 3 Family Cheiropleuriaceae Nakai (1928) see Family Dipteridaceae Seward & E.Dale (1901)