Domain Eucaryota
Count: [*†*] 11k;97p;151c;401o;832f;181g;3s; †13p;32c;87o;175f;72g;3s
   Subdomain Chlorota Doweld (2001)
  Count: [*†*] 5k;64p;91c;384o;817f;166g;3s; †13p;32c;87o;175f;72g;3s [20 Nov 2022]
     Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
    Count: [*†*] 24p;36c;344o;784f;134g;2s; †13p;32c;87o;175f;72g;3s [20 Nov 2022]
       Subkingdom Pteridobiotina Britton & A. Br. (1896)
      Count: [*†*] 8p;22c;340o;778f;133g; †11p;26c;71o;139f;63g;3s [20 Nov 2022]
         Superphylum Cycadophytanae Doweld (2001)
        Count: [*†*] 4p;10c;314o;719f;116g; †6p;17c;42o;81f;41g;2s [20 Nov 2022]
           Phylum †Peltaspermophyta Doweld (2001) see Division Pteridospermatophyta Meyen
          Count: [†*] †4c;11o;20f;15g;2s [24 Oct 2022]
             Class †Dictyopteridiopsida Doweld (2001)
            Count: [†*] †3o;6f;6g [24 Oct 2022]
               Order †Rigbyales Doweld (2001) [monotypic]
              Count: [†*] †1f;1g [24 Oct 2022]
                 Family †Rigbyaceae J.M.Anderson & H.M.Anderson (1985), nom. cons. prop.
                Count: [†*] †1g
                   Genus †Rigbya Lacey, Dijk & Gordon-Gray (1975)
                  Count: -