Procaryotic Genera Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024 Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 stat. inval. [monotypic] - cyanobacteria see Phylum Cyanobacteriota Oren et al. 2022 Class "Cyanobacteria" "Stanier 1974" nom. inval. see Class Chroococcophyceae Hollerbach et al. 1953 1 Subsection I [monotypic] see Family Family 1.1 nom. inval. 2 Subsection II 3 Subsection III [monotypic] see Family Family 3.1 nom. inval. 4 Subsection IV 5 Subsection V [monotypic]