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 Cyanobacteria Garcia-Pichel et al. (2020)] see Phylum Cyanobacteriota Oren et al. 2022
                 [Class Cyanophyceae Hauck (1885)] see Class Chroococcophyceae Hollerbach et al. 1953
                   [Order Oscillatoriales Schaffner (1922), sedis mutabilis] see Order Oscillatoriales Schaffner 1922
                     [Family Microcoleaceae Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014), nom. illeg.] see Family Microcoleaceae (Hansgirg 1888) Strunecký et al. 2013
                       [Genus Arthrospira E. Stizenberger ex Gomont (1892)] see Genus Arthrospira Stizenberger ex Gomont 1892
                         Arthrospira amethystina (Buell) de Toni 1949, nom. dub.
                         Arthrospira ardissonii (Cohn) Forti 1907, nom. dub.
                         Arthrospira margaritae Gomont ex Frémy 1927, nom. dub.
                         Arthrospira miniata Gomont ex Gomont 1892, nom. dub.
                         1.01 Arthrospira balkrishnaii Kamat (1963)
                         1.02 Arthrospira desikacharyensis Vasishta (1962)
                         1.03 Arthrospira gigantea (Schmidle) Anagn. (1998)
                         1.04 Arthrospira gomontiana Setchell 1895
                         1.05 Arthrospira jenneriᵀ (A.H. Hassall) E. Stizenberger ex Gomont 1892-1893[1893] [ICBN]
                         1.06 Arthrospira massartii H.. Kufferath (1914)
                         1.07 Arthrospira pellucidis Wang (1933)
                         1.08 Arthrospira platensis (O. Nordst.) ex Gomont (1893)
                         1.09 Arthrospira santannae Komárek & Komárková-Legnerová (2006)
                         1.10 Arthrospira skujae A.G.E. Magrin et al. (1997)
                         1.11 Arthrospira tenuis Brühl & Biswas (1922)
                         2.1 Arthrospira argentina (Frenguelli) Guarrera & Kühnemann (1949)
                         2.2 Arthrospira fusiformis (Voronichin) J. Komárek and J.W.G. Lund 1990
                         2.3 Arthrospira ghannae Drouet & Strickland (1942)
                         2.4 Arthrospira indica T.V. Desikachary and N. Jeeji Bai 1992
                         2.5 Arthrospira joshii Vasishta (1963)
                         2.6 Arthrospira maxima W.A. Setchell & N.L.Gardner (1917)