[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 "Scytonema" [ICNB] see Genus Scytonema C.Agardh ex Bornet & Flahault (1887)
             "Scytonema hofmanni" [ICNB] see Scytonema hofmanni [ICBN]