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