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 Chroococcales Ardissone (1887)] see Order Chroococcales corrig. Ardissone 1887 [Family Microcystaceae Elenkin (1933), sedis mutabilis] see Family Microcystaceae Elenkin 1933 [Genus Microcystisᵀ Lemmerm. (1907), nom. cons.] see Genus Microcystis Kützing ex Lemmermann 1907 nom. cons. [Microcystis delicatissima (W. and G.S. West 1912) Starmach 1966] see Aphanocapsa delicatissima W.West & G.S.West (1912)