Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Subkingdom Pteridobiotina Britton & A. Br. (1896) Superdivision Cycadophytanae Doweld (2001) see Superphylum Cycadophytanae Doweld (2001) Division †Pteridospermatophyta Meyen Class †Phasmatocycadopsida Doweld (2001) Order †Phasmatocycadales Doweld (2001) [monotypic] 1 Family †Phasmatocycadaceae Doweld (2001), nom. cons. prop. [monotypic]