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 Pleurocapsales Geitler (1925) see Order Chroococcales Ardissone (1887)
             Family Scopulonemataceae see Family Hydrococcaceae Kützing 1843
               1 Genus Hydrococcus Kütz. (1833), nom. cons. prop. see Genus Hydrococcus Kützing 1833 nom. cons.
               2 Genus Hyella Bornet & Flahault (1888) see Genus Hyella Bornet and Flahault 1888
               3 Genus Myxohyella L. Geitler (1925) see Genus Myxohyella Geitler 1925