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 Aphanothece C. Nägeli (1849), nom. cons.] see Genus Aphanothece Nägeli 1849 nom. cons. [Aphanothece nidulans sensu G.M. Sm. (1920)] see Aphanothece smithii Komárková-Legnerová & Cronberg (1994)