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 Pinophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) [monotypic] Class Pinopsida Burnett (1835) Order †Czekanowskiales Novák (1972) [monotypic] Family †Czekanowskiaceae Samylina (1970) Genus †Tianshia Z. Zhou & B. Zhang (1998)