Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           [Domain "Bacteria" Woese et al. 1990 stat. inval. [paraphyletic?]] see Domain Bacteria Woese et al. 2024
             [Superphylum "Terrabacteria" Battistuzzi et al. 2004 nom. nud.]
               [Phylum "Cyanobacteria" (ex Stanier 1974) Cavalier-Smith 2002 stat. inval. - cyanobacteria] see Phylum Cyanobacteriota Oren et al. 2022
                 [Order Chroococcales Cavalier-Smith 2002 nom. illeg., nom. rej. [monotypic]] see Order Chroococcales corrig. Ardissone 1887
                 [Genus Holopedium G. Lagerheim (1893)]
                 [Order Oscillatoriales Cavalier-Smith 2002 nom. illeg., nom. rej.] see Order Oscillatoriales Schaffner 1922
                 ?[Genus Pilgeria W. Schmidle (1901)] see Genus Pilgeria Schmidle 1901
                 [Genus "Planktotricoides" Suda Watanabe et al. (2002)] see Genus Planktothricoides Suda & M.M. Watan. (2002)
                 [Genus Pulvinaria Borzì 1917]
                 1 [Class "Cyanobacteria" "Stanier 1974" nom. inval.] see Class Chroococcophyceae Hollerbach et al. 1953
                 1.1 [Subphylum "Gloeobacteria" Cavalier-Smith 2002 stat. inval.] see Subclass Gloeobacterophycideae Hoffmann, Komárek & Kaštovský (2005), nom. inval., orth. inval.
                 1.1.1.0 [Class Gloeobacterophyceae] see Class Gloeobacteria Cavalier-Smith 2002 nom. rej.
                 1.2 [Subphylum "Phycobacteria" Cavalier-Smith 2002 stat. inval.] see Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 stat. inval.
                 1.2.1.1.1 [Class Coccogoneae Thuret (1875) - coccoid cyanobacteria] see Subclass Oscillatoriophycideae Hoffmann, Komárek & Kaštovský (2005), nom. inval., orth. inval.
                 1.2.2 [Class Nostocophyceae] see Subclass Nostocophycideae Hoffmann, Komárek & Kaštovský (2005), nom. inval., orth. inval.
                 1.2.2.0 [Class Hormogoneae Thuret (1875) - filamentous cyanobacteria] see Class Hormogoneae Cavalier-Smith 2002 nom. illeg., nom. rej.
                 n.1 [Section I R. Rippka et al. 1979] see Subsection I
                 n.2 [Section II R. Rippka et al. 1979] see Subsection II
                 n.3 [Section III R. Rippka et al. 1979] see Subsection III
                 n.4 [Section IV R. Rippka et al. 1979] see Subsection IV
                 n.5 [Section V R. Rippka et al. 1979] see Subsection V