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 "Pseudanabaenales" L. Hoffm., Komárek & Kaštovský (2005), nom. inval.] see Order Pseudanabaenales Hoffmann et al. 2005 nom. nud.
                     [Family Pseudanabaenaceaeᵀ Anagn. & Komárek (1988)] see Family Pseudanabaenaceae Anagnostidis and Komárek 1988
                       [Subfamily Leptolyngbyoideae Anagn. & Komárek (1988)] see Family Leptolyngbyaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014)