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 Oscillatoriales Schaffner (1922), sedis mutabilis] see Order Oscillatoriales Schaffner 1922
                     1 [Family Oscillatoriaceaeᵀ Engl. (1898), nom. cons.] see Family Oscillatoriaceae Engler 1898 nom. cons.
                     1.08 [Family Phormidiaceae Anagn. & Komárek (1988)] see Family Oscillatoriaceae Engl. (1898), nom. cons.
                     2 [Family Microcoleaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014), nom. illeg.] see Family Microcoleaceae (Hansgirg 1888) Strunecký et al. 2013
                     2.0 [Family Ammatoideaceae Elenkin (1949)] see Family Microcoleaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014), nom. illeg.
                     2.0 [Family "Homeotrichaceae" orth. inval.] see Family Homoeotrichaceae A.A. Elenkin (1949)
                     2.0 [Family Homoeotrichaceae A.A. Elenkin (1949)] see Family Microcoleaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014), nom. illeg.
                     x [Family Borziaceae Borzì (1914) [monotypic]] see Family Borziaceae Borzì 1914
                     x [Family Pseudanabenaceae]
                     x [Family Sokoloviaceae] see Family Leptolyngbyaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014)