Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 2024
             Kingdom Bacillatiᵀ (Gibbons and Murray 1978) Oren and Göker 2024
               Phylum Cyanobacteriota Oren et al. 2022
                 Class Chroococcophyceaeᵀ Hollerbach et al. 1953
                   Order Nostocales corrig. Borzì 1914
                     Family Aphanizomenaceae corrig. Elenkin 1938
                       01 Genus Amphiheterocytum Sant'Anna et al. 2018
                       02 Genus Anabaena Bory ex Bornet and Flahault 1886 nom. cons.
                       03 Genus Aphanizomenonᵀ Morren ex Bornet and Flahault 1886
                       04 Genus Cuspidothrix Rajaniemi et al. 2005
                       05 Genus Cyanomargarita Shalygin et al. 2017
                       06 Genus Cylindrospermum Kützing ex Bornet and Flahault 1886
                       07 Genus Dolichospermum (Ralfs ex Bornet and Flahault 1886) Wacklin et al. 2009
                       08 Genus Gloeotrichia Agardh ex Bornet and Flahault 1886
                       09 Genus Hydrocoryne Schwabe ex Bornet and Flahault 1886
                       10 Genus Macrospermum Komárek 2008
                       11 Genus Neocyanospira Molinari and Guiry 2021
                       12 Genus Neowollea Tawong 2021
                       13 Genus Okeanomitos Li et al. 2024
                       14 Genus Raphidiopsis Fritsch and Rich 1929
                       15 Genus Sphaerospermopsis Zapomělová et al. 2010
                       16 Genus Wollea Bornet and Flahault 1886