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Organism
  Chromista
      Ochrophyta
        Khakista
            Bacillariophyceae
              Coscinodiscophycidae
                  Coscinodiscanae
                    Coscinodiscales
                            Heliopeltaceae
                                     Actinoptychus
                                             Actinoptychus boliviensis
                                             Actinoptychus glabratus
                                             Actinoptychus splendens
                                             Actinoptychus subangulatus
                                             Actinoptychus undulatus
                                             Actinoptychus vulgaris
  Protista
      Bacillariophyta
            Bacillariophyceae
                    Biddulphiales
                            Heliopeltaceae
                                     Actinoptychus
                                             Actinoptychus senarius