Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 stat. inval. - cyanobacteria see Phylum Cyanobacteriota Oren et al. 2022
   Subgroup Nostocacean
     Genus Anabaena Bory ex Bornet & Flahault (1886), nom. cons. see Genus Anabaena Bory ex Bornet and Flahault 1886 nom. cons.