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 Euphyllophytina
               Infradivision Radiatopses Kenrick & Crane (1997) see Infraphylum Radiatopses Kenrick & Crane (1997)
                 Supercohort Lignophytia
                   Cohort Spermatophytata sedis mutabilis
                     1 [plesion] †"Calamopityaceae" D.H.Scott (1909) [monophyletic?]
                     2 [plesion] †"Hydraspermaceae" [monophyletic?]
                     3 [plesion] †"Lyginopteridaceae" Zalessky (1906) [monophyletic?]
                     4 [plesion] †Medullosaceae Göpp. (1864) see Family Pachytestaceae Doweld (2001), nom. cons. prop.
                     5 Subcohort Euspermatoclides