living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryotae see Superkingdom Prokarya
     Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990
       Division Cyanophycota see Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002
         Class Cyanophyceae Schaffner (1909) see Class Cyanobacteria Cavalier-Smith, 2002
           Order Chroococcales Wettst. (1924)
             Family Chroococcaceae Nägeli (1849)
               1 Genus Synechocystis C. Sauvageau 1892 [ICBN]
               2 Genus Synechococcus C. Nägeli (1849)
               3 Genus Microcystis Lemmerm. (1907), nom. cons.
               4 Genus Chroococcus C. Nägeli 1849 [ICBN]
               5 Genus Gloeocapsa Kützing 1843 nom. cons. [ICBN]
               6 Genus Coelosphaerium C. Nägeli (1849)
               7 Genus Merismopedia F.J.P. Meyen (1839)
               8 Genus Gomphosphaeria F.T. Kützing (1836)
               9 Genus Gloeobacter Rippka, Waterbury & Cohen-Baz. (1974)