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Taxon: Order Cycadales Pers. ex Bercht. & J. Presl (1820) - cycads (plant)
Classification by:

Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Biota
           "neomura"
             Domain Eukaryota Chatton, 1925 - eukaryotes
               "neokaryotes" - mitochondrial eukaryotes
                 "neozoa"
                   Superkingdom Corticata Lankester, 1878
                     Kingdom Plantae Haeckel (1866) - plants
                       Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
                         Infrakingdom Streptophyta C. Jeffrey (1967)
                           Superphylum Embryophyta
                             "polysporangiophytes"
                               Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998) - vascular plants
                                 Subphylum Euphyllophytina
                                   Infraphylum "Radiatopses" Kenrick & Crane (1997)
                                     "lignophytes"
                                       Class Spermatopsida
                                         "core seed plants"
                                           Subclass Cycadidae Pax (1894)
                                             Order Cycadales Pers. ex Bercht. & J. Presl (1820) - cycads
                                               1 Family Cycadaceae Pers. (1807), nom. cons. - Cycas family
                                               2 Family Zamiaceae Horan. (1834)

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Last updated: 2 Apr 2018