Kingdom [Plantae] Haeckel (1866) - plants
Count: [f†f] 7p;5c;9o;12f; †7c;31o;76f
   Division Pteridophyta Schimp. (1879) see Subphylum Pteridophytina (Eichler) Cavalier-Sm. (1998)
  Count: [f†f] 3c;7o;11f; †5c;21o;50f [30 Aug 2022]
     Class Lycopsida - club-mosses see Class Lycopodiopsida Bartl. (1830)
    Count: [f†f] 3o;3f; †4o;14f [30 Aug 2022]
       Order †Lepidocarpales G.M. Smith (1938)
      Count: [†f] †9f [30 Aug 2022]
         1 Family †Cyclostigmaceae
        Count: -
         2 Family †Flemingitaceae B. Thomas & Brack-Hanes (1984) see Family Lepidodendraceae Endl.
        Count: -
         3 Family †Sigillariostrobaceae
        Count: -
         4 Family †Lepidocarpaceae G.M. Smith (1938), nom. cons. prop.
        Count: -
         5 Family †Spenceritaceae B. Thomas & Brack-Hanes (1984), nom. nud. see Family Spenceritaceae B. Thomas & Brack-Hanes ex Doweld (2001), nom. cons. prop.
        Count: -
         6 Family †Caudatocarpaceae
        Count: -
         7 Family †Pinakodendraceae Chaloner see Family Omphalophloiaceae Nakai (1943)
        Count: -
         8 Family †Sporangiostrobaceae
        Count: -
         9 Family †Pleuromeiaceae Potonié (1901)
        Count: -