Superkingdom Eukaryota Whittaker & Margulis, 1978 see Domain Eukaryota Chatton, 1925
   Kingdom Chlorobiota Jeffrey (1971), nom. inval. see Kingdom Chlorobiota C.Jeffrey ex Doweld (2001)
     Subkingdom Streptobionta see [unranked] Streptophytina Lewis & McCourt (2004)
       Infrakingdom Embryobiotes
         Superdivision Polysporangiomorpha
           Division Tracheophyta see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
             Subdivision Lycophytina "Banks, 1968" see Subphylum Lycophytina "Banks, 1968"
               Class Lycopsida - club-mosses see Class Lycopodiopsida Bartl. (1830)
                 1 [plesion] †Drepanophycales Novák (1961)
                 2 Order "Lycopodiales" DC. ex Bercht. & J.Presl (1820) [monophyletic?]
                 3 [plesion] †Protolepidodendrales Koidzumi (1939)
                 4 Order Selaginellales Prantl (1874)
                 5 Order Isoetales Prantl (1874) - quillworts see Order Isoëtales Prantl (1874)