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 Oscillatoriophycideae Order Oscillatorialesᵀ Elenkin (1934) Family Phormidiaceae Anagnostidis & Komárek (1988) Subfamily Phormidioideaeᵀ Genus Arthrospira E. Stizenberger ex Gomont 1892-1893[1893] [ICBN] 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) Anagnostidis (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. in V.B. Wittrock & O. Nordst.) ex Gomont 1892-1893[1893] [ICBN] 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 in Drouet (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 in N.L.Gardner 1917 [ICBN]