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 †Psilophytanae Doweld (2001) Phylum †Rhyniophyta Cronquist, Takht. & Zimmerm. (1966) [monotypic] Class †Rhyniopsida Krysht. (1925) Order †Taeniocradales Němejc (1963) [monotypic] see Order Langiophytales Doweld (2001) Family †Taeniocradaceae Němejc (1963) see Family Langiophytaceae Doweld (2001)