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
         Subsection I [monotypic] see Family Family 1.1 nom. inval.
           Family I see Family Family 1.1 nom. inval.
             Form genus Prochloron (ex Lewin 1977) Florenzano et al. 1986 nom. inval. see Genus Prochloron Lewin ex Hoffmann and Greuter 1993