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Organism
  Plantae
      Tracheophyta
             [Equisetophyta]
             [Pteridophyta]
        Polypodiophytina
            Polypodiopsida
                   [Cyatheopsida]
                   [Equisetopsida]
                   [Filicopsida]
                   [Gleicheniopsida]
                   [Hymenophyllopsida]
                   [Marattiopsida]
                   [Marsileopsida]
                   [Matoniopsida]
                   [Osmundopsida]
                   [Psilotopsida]
                   [Pteridopsida]
                   [Salviniopsida]
                   [Sphenopsida]
              Polypodiidae
                     [Dennstaedtiidae]
                     [Marsileidae]
                     [Plagiogyriidae]
                     [Pterididae]
                    Polypodiales
                           [Aspleniales]
                           [Athyriales]
                           [Blechnales]
                           [Dennstaedtiales]
                           [Filicales]
                           [Lindsaeales]
                           [Lonchitidales]
                           [Monachosorales]
                           [Negripteridales]
                           [Parkeriales]
                           [Platyzomatales]
                           [Pteridales]
                           [Saccolomatales]
                           [Thelypteridales]
                            † IncertaeSedis_PolypodialesFamily
                                             † Aspidium fredricksburgense
                                             † Aspidium kennerleyi
                                             † Aspidium lakesii
                                             † Aspidium monocarpum
                                             † Aspidium montanense
                                     † Carolopteris
                                             † Carolopteris asplenioides
                                     † Cuyenopteris
                                             † Cuyenopteris patagoniensis
                                     † Polypodiisporites
                                             † Polypodiisporites echinatus
                                             † Polypodiisporites favus
                                             † Polypodiisporites inangahuensis
                                             † Polypodiisporites ipsviciensis
                                             † Polypodiisporites irregularis
                                             † Polypodiisporites minimus
                                             † Polypodiisporites pachyexinatus
                                             † Polypodiisporites radiatus
                                             † Polypodiisporites speciosus
                                     † Solenostelopteris
                                     † Stramineopteris