living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryotae see Superkingdom Prokarya
     Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990 stat. inval.
       Division Cyanophycota see Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 stat. inval.
         Class Cyanophyceae Hauck (1885) see Class Chroococcophyceae Hollerbach et al. 1953
           Order Stigonematales Geitler (1925) see Order Nostocales Borzì (1914)
             Family Borzinemataceae L. Geitler (1942) see Family Borzinemataceae Geitler 1942
               Genus Seguenzaea Borzì (1907) see Genus Seguenzaea Borzì 1907