[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Cyanobacteria" (ex Stanier 1974) Cavalier-Smith 2002 - cyanobacteria
       Class "Cyanobacteria" Cavalier-Smith, 2002
         Family Family 1.1 nom. inval.
           Genus "Cyanobacterium" [ICNB] see Genus Cyanobacterium R. Rippka & G. Cohen-Bazire 1983 [ICBN]
             1 "Cyanobacterium sp"