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
           Genus Crinalium Crow 1927 nom. inval. see Genus Crinalium Crow 1927
           1 Order Chroococcales Ardissone (1887) see Order Chroococcales corrig. Ardissone 1887
           2 Order Pleurocapsales Geitler (1925) see Order Chroococcales Ardissone (1887)
           3 Order Stigonematales Geitler (1925) see Order Nostocales Borzì (1914)
           4 Order Nostocales Borzì (1914) see Order Nostocales corrig. Borzì 1914