Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 stat. inval. - cyanobacteria see Phylum Cyanobacteriota Oren et al. 2022
   Subgroup Chroococcacean
     Genus Gloeothece C. Nägeli (1849), nom. cons. see Genus Gloeothece Nägeli 1849 nom. cons.