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. 2024
             Kingdom Bacillatiᵀ (Gibbons and Murray 1978) Oren and Göker 2024
               [Phylum Cyanobacteria Garcia-Pichel et al. (2020)] see Phylum Cyanobacteriota Oren et al. 2022
                 [Class Cyanophyceae Hauck (1885)] see Class Chroococcophyceae Hollerbach et al. 1953
                   [Order "Synechococcales" Hoffmann, Komárek & Kaštovský (2005), nom. inval.] see Order Synechococcales Hoffmann et al. 2005 nom. nud.
                     [Family Synechococcaceaeᵀ Komárek & Anagn. (1995)] see Family Synechococcaceae Komárek and Anagnostidis 1995
                       0 [Subfamily Synechococcoideaeᵀ] see Family Synechococcaceae Komárek & Anagn. (1995)
                       1 [Genus Synechococcusᵀ C. Nägeli (1849)] see Genus Synechococcus Nägeli 1849
                       x [Subfamily Aphanothecoideae Komárek & Anagn. (1986)] see Family Cyanobacteriaceae Hoffmann, Komárek & Kaštovský (2005), nom. inval.
                       x [Genus Cyanothrix Gardner (1926), nom. illeg.] see Genus Johannesbaptistia G. De Toni (1934)
                       x [Genus "Thermosynechococcus" Katoh et al. (2001), nom. nud.] see Genus Thermosynechococcus Katoh, Itoh, Shen & Ikeuchi (2020)