Kingdom [Plantae] Haeckel (1866) - plants Division Gymnospermophyta Cleal (1994) - seed plants see Infraphylum Gymnospermae auct. Class Pinopsida Burnett (1835) Order †Cordaitanthales - cordaites see Order Cordaitales D.H.Scott (1909) 1 Family †Cordaitanthaceae see Family Cordaitaceae Grand'Eury (1877) 2 Family †Rufloriaceae Ledrán ex S.V.Meyen (1982) 3 Family †Vojnovskyaceae Neub. (1963)