[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   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. - cyanobacteria see Phylum Cyanobacteriota Oren et al. 2022
       Class "Cyanobacteria" "Stanier 1974" nom. inval. see Class Chroococcophyceae Hollerbach et al. 1953
         Family Family 4.2 nom. inval.
           1 Genus "Calothrix" Agardh ex Bornet and Flahault 1886 nom. inval. see Genus Calothrix C.Agardh ex Bornet & Flahault (1886)
           2 Genus "Rivularia" Agardh ex Bornet and Flahault 1886 nom. inval. see Genus Rivularia Agardh ex Bornet and Flahault 1886 nom. cons.
           3 Genus "Tolypothrix" Kützing ex Bornet and Flahault 1886 nom. inval. see Genus Tolypothrix Kützing ex Bornet and Flahault 1886