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 †Peltaspermopsida Doweld (2001) Order †Peltaspermales Delevoryas (1979) Family †Peltaspermaceae Pilg. & Melchior (1954), nom. cons. prop. Genus †Peltaspermum T.M.Harris (1937)