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 stat. inval.
       Division Cyanophycota see Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 stat. inval.
         Class Cyanophyceae Hauck (1885) see Class Chroococcophyceae Hollerbach et al. 1953
           Order Chroococcales Ardissone (1887) see Order Chroococcales corrig. Ardissone 1887
             1 Family Chroococcaceae Nägeli (1849) see Family Chroococcaceae Nägeli 1849
             2 Family Tubiellaceae see Family Synechococcaceae Komárek & Anagn. (1995)
             3 Family Entophysalidaceae Geitler (1925) see Family Chroococcaceae Nägeli (1849)