Central Taxonomic Thesaurus
Taxon Search
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Organism
  Bacteria
      Cyanobacteria
            Cyanophyceae
                    Chamaesiphonales
                            Chamaesiphonaceae
                    Chroococcales
                            Chroococcaceae
                    Nostocales
                            Rivulariaceae
              Nostocophycideae
              Oscillatoriophycideae
      Firmicutes
            Clostridia
                    Clostridiales
                            Clostridiaceae
    Gracilicutes
      Proteobacteria
            Gammaproteobacteria
                    Enterobacteriales
                            Enterobacteriaceae