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 Nostocophycideae
                     Order Nostocalesᵀ Borzì (1914)
                       Family Nostocaceaeᵀ Eichler (1886)
                         Subfamily Anabaenoideae (E. Bornet & C. Flahault) O. Kirchner (1900)
                           01 Genus Anabaenaᵀ Bory 1822 ex Bornet & Flahault 1886 nom. cons. [ICBN]
                           02 Genus Anabaenopsis (Woloszynska) V.V. Mill. 1923 [ICBN]
                           03 Genus Aphanizomenon C. Morren ex É. Bornet & C. Flahault 1886-1888[1888] [ICBN]
                           04 Genus Cylindrospermopsis G. Seenayya & N. Subba Raju in T.V. Desikachary 1972 [ICBN]
                           05 Genus Cylindrospermum F.T. Kützing 1843 ex É. Bornet & C. Flahault 1886-1888[1888] [ICBN]
                           06 Genus Hormothamnion A. Grunow ex É. Bornet & C. Flahault (1888)
                           07 Genus Hydrocoryne H.S. Schwabe ex Bornet & Flahault (1886)
                           08 Genus Raphidiopsis F.E. Fritsch & F. Rich (1929)
                           09 Genus Richelia J. Schmidt in Ostenfeld & J. Schmidt (1901)
                           10 Genus Thiochaete H. Welsh (1961)
                           11 Genus Wollea É. Bornet & C. Flahault 1886-1888[1888]