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 Prokaryotae] see Superkingdom Prokarya [Kingdom Monera Haeckel 1866] see Domain Bacteria Woese et al. 1990 [Division Cyanophyta [monotypic] - blue-green algae] see Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 1.0 [Class Myxophyceae] see Class Cyanophyceae Schaffner (1909)