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 Nodulariaceae Elenkin 1916
                       01 Genus Ahomia Pal and Singh 2024
                       02 Genus Aliinostoc Bagchi et al. 2017
                       03 Genus Amazonocrinis Alvarenga et al. 2021
                       04 Genus Anabaenopsis Miller 1923
                       05 Genus Atlanticothrix Alvarenga et al. 2021
                       06 Genus Aulosira Kirchner ex Bornet and Flahault 1886
                       07 Genus Chrysosporum Zapomělová et al. 2012
                       08 Genus Cyanocohniella Kaštovský et al. 2014
                       09 Genus Dendronalium Alvarenga et al. 2021
                       10 Genus Desikacharya Saraf & Singh 2019
                       11 Genus Goleter Miscoe and Johansen 2016
                       12 Genus Halotia Genuário et al. 2015
                       13 Genus Kaarinaea Saraf et al. 2025
                       14 Genus Minunostoc Cai and Li 2019
                       15 Genus Nodulariaᵀ Mertens ex Bornet and Flahault 1886 nom. cons.
                       16 Genus Pseudoaliinostoc Lee et al. 2021
                       17 Genus Purpureonostoc Cai and Li 2020
                       18 Genus Reofilinostoc Garduño-Solórzano et al. 2024
                       19 Genus Trichormus (Ralfs ex Bornet and Flahault 1886) Komárek and Anagnostidis 1989
                       20 Genus Umezakia Watanabe 1987