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 Cycadophytanae Doweld (2001) Phylum †Peltaspermophyta Doweld (2001) see Division Pteridospermatophyta Meyen Class †Arberiopsida Doweld (2001) Order †Dicranophyllales Archangelsky & Cúneo (1990) [monotypic] Family †Dicranophyllaceae Archangelsky & Cúneo (1990)