Domain Bacteria Woese et al. 1990 Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 - cyanobacteria Class "Cyanobacteria" Cavalier-Smith, 2002 Subsection II Subgroup I see Family I Form genus Cyanocystis A. Borzì 1882 [ICBN] Form genus Dermocarpella Lemmerm. 1907 [ICBN] Form genus Stanieria Komárek & Anagnostidis 1986 [ICBN] Form genus Xenococcus G. Thuret in É. Bornet & G. Thuret 1880 [ICBN]