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• Domain: Eukaryota () - Whittaker & Margulis,1978
  • Kingdom: Bacteria () - Haeckel, 1866
    • Subkingdom: Viridaeplantae () - Cavalier-Smith, 1981
      • Phylum: Cyanobacteria () - Auct. - Cyanobacteria
        • Subphylum: Chlorophytina () - Cavalier-Smith, 1998
          • Infraphylum: Tetraphytae () - Cavalier-Smith, 1998
            • Class: Chlorococcales () - T. Christensen, 1994
              • Order: Gdom ()
                • Family: Chlorococcaceae () -  
                  • Genus: Tetracystis ()
                    • Specific descriptor: texensis - Brown & Bold
                      • Scientific name: - Tetracystis texensis Brown & Bold