Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum Terrabacteria Battistuzzi et al. 2004
               Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 - cyanobacteria
                 Class "Cyanobacteria" Cavalier-Smith, 2002
                   Subclass Synechococcophycideae
                     Order Pseudanabaenales L. Hoffm., Komárek & Kaštovský (2005)
                       Family Pseudanabaenaceaeᵀ Anagnostidis & Komárek (1988)
                         Subfamily Pseudanabaenoideaeᵀ
                           Genus Pseudanabaenaᵀ R. Lauterborn 1915 [ICBN]
                             Pseudanabaena catenata Lauterborn 1915
                             Pseudanabaena curta (M.M. Hollerbach) G. Cronberg and J. Komárek 1994
                             Pseudanabaena galeata Böcher 1949
                             Pseudanabaena limnetica (E. Lemmermann) J. Komárek 1974
                             Subgenus Pseudanabaena subg. Pseudanabaenaᵀ
                             Pseudanabaena tenuis F. Koppe 1924 [ICBN]