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
                 [Class "Cyanobacteria" "Stanier 1974" nom. inval.] see Class Chroococcophyceae Hollerbach et al. 1953
                   [Family Subsection 5.1 nom. inval.]
                     1 [Genus "Chlorogloeopsis" Mitra and Pandey 1967 nom. inval.] see Genus Chlorogloeopsis Mitra and Pandey 1967
                     2 [Genus "Fischerella" (Bornet and Flahault 1886) Gomont 1895 nom. inval.] see Genus Fischerella (Bornet and Flahault 1886) Gomont 1895
                     3 [Genus "Geitleria" Friedmann 1955 nom. inval.] see Genus Geitleria Friedmann 1955
                     4 [Genus "Iyengariella" Desikachary 1953 nom. inval.] see Genus Iyengariella Desikachary 1953
                     5 [Genus "Nostochopsis" Wood ex Bornet and Flahault 1886 nom. inval.] see Genus Nostochopsis Wood ex Bornet and Flahault 1886
                     6 [Genus "Stigonema" Agardh ex Bornet and Flahault 1886 nom. inval.] see Genus Stigonema Agardh ex Bornet and Flahault 1886