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 Microcoleoideae Hansgirg (1892) Genus Microcoleusᵀ J.B.H.J. Desmazières ex M. Gomont 1892 [ICBN] Microcoleus vaginatus (Vaucher) Gomont Microcoleus vaginatus var. vaginatus