[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Cyanobacteria" (ex Stanier 1974) Cavalier-Smith 2002 - cyanobacteria
       Class "Cyanobacteria" Cavalier-Smith, 2002
         Family Family 4.1 nom. inval.
           Genus "Cylindrospermum" [ICNB] see Genus Cylindrospermum F.T. Kützing 1843 ex É. Bornet & C. Flahault 1886-1888[1888] [ICBN]
             1 "Cylindrospermum majus" [ICNB] see Cylindrospermum majus F.T. Kützing [ICBN]
             2 "Cylindrospermum stagnale" [ICNB] see Cylindrospermum stagnale (Kützing) Bornet & Flahault [ICBN]