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Organism
  Chromista
         [Microbe]
      Chrysophyta
            Bacillariophyceae
                          Cerithioidea
                            Turritellidae
                                     Tachyrhynchus
                                             Tachyrhynchus erosus
                                             Tachyrhynchus reticulatus
                                     Turritella
                                     Vermicularia
                                             Vermicularia fargoi