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"
               [plesion] †Zosterophyllopsida Foster & Gifford (1974)
                 [plesion] †Sawdoniales Kenrick & Crane (1997)
                   1 [plesion] †Sawdoniaceae Kenrick & Crane (1997), sedis mutabilis
                   2 [plesion] †Barinophytaceae Høeg ex H. Banks (1975), sedis mutabilis
                   3 [plesion] †"Gosslingiaceae" H. Banks (1968), sedis mutabilis [monophyletic?]
                   4 [plesion] †Hsuaceae Kenrick & Crane (1997), orth. inval., sedis mutabilis see Family Hsueaceae Kenrick & Crane (1997)