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 Pinophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Class Pinopsida Burnett (1835)
             Class Taxopsida Lotsy (1909)
               Order Cephalotaxales Takht. ex Reveal (1993) [monotypic]
                 1 Family Cephalotaxaceae Neger (1907), nom. cons. - plum yew family see Family Taxaceae Gray (1822), nom. cons.