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 †Voltziales Andreánszky (1954)
             Family †Buriadiaceae Pant (1977)
               1 Genus †Buriadia Seward & Sahni (1920)
               2 Genus †Coricladus Jasper, Ricardi-Branco & Guerra-Sommer (2005)
               3 Genus †Hanskerpia G.W.Rothwell, G. Mapes & G.R. Hernandez-Castillo (2005)
               4 Genus †Metridiostrobus Delev. & R.C. Hope (1981)
               5 Genus †Palissya Endl. (1847)
               6 Genus †Paraburiadia Zimina (1983)
               7 Genus †Stachyotaxus Nath. (1886)