living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 4k;54p;156c;911o;7123f;17,575g;4762s;36ss;8v;19; ‡1f;6g;7s;1ss; †1c;10o;10f;19g;1s
   Superkingdom Prokaryotae see Superkingdom Prokarya
  Count: 2k;3p;2c;11o;122f;366g;462s;3ss;19
     Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990
    Count: 3p;2c;11o;75f;316g;101s
       Division Cyanophycota see Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002
      Count: [f] 1c;4o;22f;64g;14s
         Division Cyanophycota see Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002
        Count: [f] 1c;4o;22f;64g;14s
           Class Cyanophyceae Schaffner (1909) see Class Cyanobacteria Cavalier-Smith, 2002
          Count: [f] 4o;22f;64g;14s
             Class Cyanophyceae Schaffner (1909) see Class Cyanobacteria Cavalier-Smith, 2002
            Count: [f] 4o;22f;64g;14s
               Order Nostocales Borzì (1914)
              Count: [f] 6f;24g;5s
                 Order Nostocales Borzì (1914)
                Count: [f] 6f;24g;5s
                   Family Scytonemataceae F.T. Kützing ex O. Kirchner in A. Engl. & H. Prantl (1898)
                  Count: 3g
                     1 Genus Scytonema C.Agardh ex Bornet & Flahault (1887)
                    Count: -
                     1 Genus Scytonema C.Agardh ex Bornet & Flahault (1887)
                    Count: -
                     2 Genus Tolypothrix F.T. Kützing ex É. Bornet & C. Flahault 1886-1888[1887] [ICBN]
                    Count: -
                     3 Genus Plectonema Thuret ex Gomont (1892)
                    Count: -