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 Cyanotrichaceae Elenkin (1947), nom. illeg. [monotypic]] see Family Chroococcaceae Nägeli 1849 [Genus Limnococcus (Komárek & Anagn.) Komárková, Jezberová, O. Komárek & Zapomělová (2010)] see Genus Limnococcus (Komárek and Anagnostidis 1995) Komárková et al. 2010