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Under construction Taxon: Class †Rhyniopsida
 Classification by: 
Natura - nature
   Mundus Plinius - physical world
     Naturalia - natural bodies
       Biota
         Domain Eukaryota Chatton, 1925 - eukaryotes
           Bikonta
             "photokaryotes"
               Kingdom Plantae Haeckel, 1866 - plants
                 Viridiplantae Cavalier-Smith, 1981 - green plants
                   Streptophyta
                     Embryophyta Endlicher, 1836
                       "polysporangiophytes"
                         Phylum Tracheophyta Sinnott, 1935 ex Cavalier-Smith, 1998 - vascular plants
                           Subphylum †Rhyniophytina
                             Class †Rhyniopsida
                               Order †Rhyniales
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