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 Pleurocapsaceae Geitler (1925), sedis mutabilis] see Family Hyellaceae Borzì (1914) [Genus Hyella Bornet & Flahault (1888)] see Genus Hyella Bornet and Flahault 1888 Hyella balani E.B.J. Lehmann Hyella caespitosa Bornet and Flahault 1888