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 Chroococcales Ardissone (1887)] see Order Chroococcales corrig. Ardissone 1887
                     [Genus Anacystis G. Meneghini (1837)] see Genus Anacystis Meneghini 1837
                     .3 [Synechococcus-group]
                     1.1.1 [Family Microcystaceae Elenkin (1933), sedis mutabilis] see Family Microcystaceae Elenkin 1933
                     1.1.1.0 [Family "Micrococcaceae" orth. inval.] see Family Microcystaceae Elenkin (1933)
                     1.1.1.22 [Family Aphanothecaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014)] see Family Microcystaceae Elenkin (1933)
                     1.1.2.1 [Family Geminocystaceae Tuji, Yamaguchi & Niiyama (2021)] see Family Geminocystaceae Tuji et al. 2021
                     1.1.2.1.0 [Family "Cyanobacteriaceae" Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014), nom. inval.] see Family Geminocystaceae Tuji, Yamaguchi & Niiyama (2021)
                     1.1.2.1.0 [Family "Cyanobacteriaceae" Hoffmann, Komárek & Kaštovský (2005), nom. inval.] see Family Cyanobacteriaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014), nom. inval.
                     1.1.2.2 [Family Cyanotrichaceae Elenkin (1947), nom. illeg. [monotypic]] see Family Chroococcaceae Nägeli 1849
                     1.1.2.2.0 [Family "Cyanothrichaceae" Elenkin (1947), nom. illeg., orth. inval. [monotypic]] see Family Cyanotrichaceae Elenkin (1947), nom. illeg.
                     1.1.3.1 [Family "Prochloraceae" Lewin (1977), nom. inval. [monotypic]] see Family Prochloraceae Lewin ex Florenzano, Balloni & Materassi (1986), nom. inval.
                     1.1.3.2 [Family Gomphosphaeriaceae Elenkin (1933) [monotypic]] see Family Gomphosphaeriaceae Elenkin 1933
                     1.1.4 [Family Pleurocapsaceae Geitler (1925), sedis mutabilis] see Family Hyellaceae Borzì (1914)
                     1.2 [Family Chroococcaceaeᵀ Nägeli (1849)] see Family Chroococcaceae Nägeli 1849
                     1.2.06 [Family Entophysalidaceae Geitler (1925)] see Family Chroococcaceae Nägeli (1849)
                     2 [Family Halothecaceae Strunecký & Mareš (2023)] see Family Halothecaceae Strunecký and Mareš 2023
                     2.0 [Family "Halotheceaceae" Strunecký & Mareš (2023), orth. inval.] see Family Halothecaceae Strunecký & Mareš (2023)
                     x [Family "Chamaesiphinaceae" orth. inval.] see Family Chamaesiphonaceae Borzì (1878)
                     x [Family "Merismooediaceae" orth. inval.] see Family Merismopediaceae Elenkin (1933)
                     x [Family "Spirulinaceae" Hoffmann, Komárek & Kaštovský (2005), nom. inval.] see Family Spirulinaceae Hoffmann, Komárek & Kaštovský (2014)
                     x [Family "Stichosiphonaceae" Hoffmann, Komárek & Kaštovský (2005), nom. nud.] see Family Stichosiphonaceae Hoffmann et al. 2005 nom. nud.
                     x [Family Tubiellaceae] see Family Synechococcaceae Komárek & Anagn. (1995)