#class_Cycadopsida__Cycadopsida__Cycadophytina__subdivision_Cycadophytina__Cycadophyta__subdivision_Cycadophyta  palmlike gymnosperms: includes the surviving order Cycadales and several extinct orders; possibly not a natural group; in some systems considered a class (Cycadopsida) and in others a subdivision (Cycadophytina or Cycadophyta)
  supertype:  #class__clas  (biology) a taxonomic group containing one or more orders
  member of:  #class_Gymnospermae
  member:  #order_Cycadales__Cycadales  primitive tropical gymnosperms abundant in the Mesozoic, now reduced to a few scattered tropical forms
     member:  #family_Cycadaceae__Cycadaceae__cycad_family__cycadfamily  ancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoids
        member:  #genus_Cycas__Cycas  type genus of Cycadaceae: genus of widely distributed Old World evergreen tropical trees having pinnate leaves and columnar stems covered with persistent bases of old leaves
           member:  #false_sago__falsesago__fern_palm__Cycas_circinalis  southeastern Indian cycad with palmlike foliage
     member:  #family_Zamiaceae__Zamiaceae__zamia_family__zamiafamily  a family of cycads often included in the family Cycadaceae: zamias
        member:  #genus_Zamia  genus of small evergreen tropical and subtropical American cycads
           member:  #zamia  any of various cycads of the genus Zamia; among the smallest and most verdant cycads
        member:  #genus_Ceratozamia  small genus of Mexican cycads; sometimes classified in family Cycadaceae
           member:  #ceratozamia  a small cycad of the genus Ceratozamia having a short scaly woody trunk and fernlike foliage and woody cones; Mexico
        member:  #genus_Dioon  small genus of arborescent cycads of Mexico and Central America; sometimes classified in family Cycadaceae
           member:  #dioon  any cycad of the genus Dioon; handsome palmlike cycads with robust crowns of leaves and rugged trunks
        member:  #genus_Encephalartos  genus of arborescent African cycads; sometimes classified in family Cycadaceae
           member:  #encephalartos__encephalarto  any of numerous cycads of the genus Encephalartos having stout cylindrical trunks and a terminal crown of long often spiny pinnate leaves
           member:  #kaffir_bread__Encephalartos_caffer  South African cycad; the farinaceous pith of the fruit used as food
        member:  #genus_Macrozamia  genus of large evergreen Australian cycads; sometimes classified in family Cycadaceae
           member:  #macrozamia  any treelike cycad of the genus Macrozamia having erect trunks and pinnate leaves and large cones with sometimes edible nuts; Australia
           member:  #Macrozamia_communis__burrawong  large attractive palmlike evergreen cycad of New South Wales
           member:  #burrawong__Macrozamia_spiralis  large attractive palmlike evergreen cycad of New South Wales
  member:  #order_Bennettitales__Bennettitales  fossil gymnospermous plants of the Carboniferous
     member:  #family_Bennettitaceae__Bennettitaceae  a family of fossil gymnospermous plants of the Carboniferous
        member:  #genus_Bennettitis__Bennettitis  type of the Bennettitales

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