Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Subkingdom Lycopodiobiotina Doweld (2001) Division †Rhyniophyta Cronquist, Takht. & Zimmerm. (1966) see Phylum Rhyniophyta Cronquist, Takht. & Zimmerm. (1966) Class †Trimerophytopsida A.S.Foster & Gifford (1974) [monotypic] Order †Trimerophytales Kasper, H.N. Andrews & W.H. Forbes (1974) [monotypic] Family †Trimerophytaceae Bierhorst (1971) Genus †Pertica Kasper & H.N.Andrews (1972)