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 Ginkgoopsida Engl. (1897)
               Subclass †Umaltolepididae Doweld (2001)
                 Order †Umaltolepidales Doweld (2001)
                   Family †Toretziaceae Stanisl. (1973) see Family Umaltolepidaceae Zhi Y.Zhou (1990), nom. cons. prop.