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Taxon: Subclass Gnetidae Pax (1894) (plant)
Classification by:

1 Natura - nature
   2.1 actualia - actual entities
     2 Mundus Plinius - physical world
       3 naturalia - natural bodies
         2 Biota
           3.2 Domain Eukaryota Chatton, 1925 - eukaryotes
             2 Bikonta
               2 Diaphoretickes Adl et al., 2012
                 3 Kingdom Plantae Haeckel, 1866 - plants
                   2.2 Viridiplantae Cavalier-Smith, 1981 - green plants
                     2 Streptophyta
                       1.3.2.2.3 Embryophyta Endlicher, 1836
                         2.2.2 "polysporangiophytes"
                           1.2.2 Phylum Tracheophyta Sinnott, 1935 ex Cavalier-Smith, 1998 - vascular plants
                             2.n Subphylum Euphyllophytina
                               2 Infraphylum "Radiatopses" Kenrick & Crane, 1997
                                 2 "lignophytes"
                                   1.n.3 Class Spermatopsida
                                     1.n "core seed plants"
                                       1.2.2.1 Subclass Gnetidae Pax (1894)
                                         1 Genus †Drewria
                                         2 Order Welwitschiales Skottsb. ex Reveal (1993) [monotypic]
                                         3 Order Gnetales Blume (1835)
                                         4 Order Ephedrales Dumort. (1829)

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Last updated: 20 Jan 2015