Kingdom [Plantae] Haeckel (1866) - plants
Count: [f†f] 7p;5c;9o;12f; †7c;31o;76f
   Division Gymnospermophyta Cleal (1994) - seed plants see Infraphylum Gymnospermae auct.
  Count: [†f] 2c;2o;1f; †2c;10o;26f [30 Aug 2022]
     Class Cycadopsida Brongn. (1843)
    Count: [f†f] 1o;1f; †1o;2f [30 Aug 2022]
       Order †Trigonocarpales - medullosans
      Count: [†f] †2f [30 Aug 2022]
         Family †Potonieaceae see Family Hexapterospermaceae Doweld (2001), nom. cons. prop.
        Count: -