[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Prokaryota see Domain Prokaryota
     Class Cyanophyceae Hauck (1885) see Class Chroococcophyceae Hollerbach et al. 1953
       1 Order Choroococcales Wettstein 1924 see Order Chroococcales Ardissone (1887)
       2 Order Hormogonales Atkinson 1905 see Order Nostocales Borzì (1914)