Kingdom [Plantae] Haeckel (1866) - plants
Status: extant
   Division Pteridophyta Schimp. (1879) see Subphylum Pteridophytina (Eichler) Cavalier-Sm. (1998)
  Status: extant
     Class †Zosterophyllopsida Foster & Gifford (1974) [monotypic]
    Status: fossil
       Order †Zosterophyllales Bierhorst (1971) [monotypic]
      Status: fossil
         1 Family †Zosterophyllaceae Kräusel (1938)
        Status: fossil