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 Marattiophyta Heintze (1927) [monotypic] see Division Monilophyta Cantino & Donoghue Class Marattiopsida Doweld (2001) see Subclass Marattiidae Klinge (1882) Order Christenseniales Doweld (2001) see Order Marattiales Link (1833) Family †Weichseliaceae Zimmerm. (1959)