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.
                     1 [Family Synechococcaceaeᵀ Komárek & Anagn. (1995)] see Family Synechococcaceae Komárek and Anagnostidis 1995
                     2 [Family Prochlorococcaceae Komárek & Strunecký (2020)] see Family Prochlorococcaceae Komárek and Strunecký 2020
                     x [Family "Acaryochloridaceae" Hoffmann, Komárek & Kaštovský (2005), nom. inval. [monotypic]] see Family Acaryochloridaceae Komárek, Kaštovský, Mareš & Johansen (2014), nom. inval.
                     x [Family Coelosphaeriaceae Elenkin (1933)] see Family Microcystaceae Elenkin 1933
                     x [Family Heteroleibleiniaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014)] see Family Heteroleibleiniaceae (Komárek and Anagnostidis 2005) Komárek et al. 2014
                     x [Family Merismopediaceae Elenkin (1933)] see Family Microcystaceae Elenkin 1933
                     x [Family Romeriaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014)] see Family Cymatolegaceae Strunecký and Mareš 2023
                     x [Family Schizotrichaceae Elenkin (1949)] see Family Schizotrichaceae Elenkin 1949