Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum Terrabacteria Battistuzzi et al. 2004
               Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 - cyanobacteria
                 Class "Cyanobacteria" Cavalier-Smith, 2002
                   [Family "Family 4.1" nom. inval.]
                     1 [Genus "Anabaena" Bory ex Bornet and Flahault 1886] see Genus Anabaena Bory 1822 ex Bornet & Flahault 1886 nom. cons. [ICBN]
                     2 [Genus "Anabaenopsis" Miller 1923] see Genus Anabaenopsis (Woloszynska) V.V. Mill. 1923 [ICBN]
                     3 [Genus "Aphanizomenon" Morren ex Bornet and Flahault 1886] see Genus Aphanizomenon C. Morren ex É. Bornet & C. Flahault 1886-1888[1888] [ICBN]
                     4 [Genus "Cyanospira" [ICNB]] see Genus Cyanospira Florenzano et al. 1985 nom. inval. [ICBN]
                     5 [Genus "Cylindrospermopsis" [ICNB]] see Genus Cylindrospermopsis G. Seenayya & N. Subba Raju in T.V. Desikachary 1972 [ICBN]
                     6 [Genus "Cylindrospermum" [ICNB]] see Genus Cylindrospermum F.T. Kützing 1843 ex É. Bornet & C. Flahault 1886-1888[1888] [ICBN]
                     7 [Genus "Nodularia" Mertens ex Bornet and Flahault 1886 nom. inval.] see Genus Nodularia Mertens ex Bornet & Flahault (1888), nom. cons.
                     8 [Genus "Nostoc" Vaucher ex Bornet and Flahault 1886 nom. inval.] see Genus Nostoc Vaucher ex Bornet & Flahault (1888)
                     9 [Genus "Scytonema" [ICNB]] see Genus Scytonema C.Agardh ex Bornet & Flahault (1887)