Procaryotic Genera Domain "Bacteria" Woese et al. 1990 Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 [monotypic] - cyanobacteria Class "Cyanobacteria" Cavalier-Smith, 2002 Subsection III [monotypic] see Family Family 3.1 nom. inval. Family I see Family Family 3.1 nom. inval. Form genus Leptolyngbya Anagnostidis & Komárek 1988 [ICBN]