Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [[crown] organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] [Superkingdom Prokaryota] [Kingdom Bacteria Cavalier-Smith 2002 - bacteria] see Domain Bacteria Woese et al. 1990 [Subkingdom Negibacteriaᵀ Cavalier-Smith 2002 - negibacteria] see Domain Bacteria Woese et al. 1990 [Infrakingdom Glycobacteriaᵀ Cavalier-Smith 2002] see Domain Bacteria Woese et al. 1990 [Division Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002] see Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 [Subdivision Phycobacteriaᵀ Cavalier-Smith 2002] see Subphylum Phycobacteria Cavalier-Smith 2002 [Class Hormogoneae Cavalier-Smith 2002 - filamentous cyanobacteria] see Subclass Nostocophycideae 1 [Order Nostocalesᵀ Cavalier-Smith 2002 nom. rej.] see Order Nostocales Borzì (1914) 2 [Order Stigonematales (ex Geitler 1925) Cavalier-Smith 2002 nom. rej.] see Order Nostocales Cavalier-Smith 2002 nom. rej.