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 Geminocystaceae Tuji, Yamaguchi & Niiyama (2021)] see Family Geminocystaceae Tuji et al. 2021 ?[Genus Microcrocis P.G. Richter (1892)] see Genus Microcrocis Richter 1892 Microcrocis dietelii P.G. Richter in F. Hauck and P.G. Richter 1892 Microcrocis irregularis (G. Lagerheim) L. Geitler 1942 Microcrocis obvoluta (L.H. Tiffany) T.H. Frank and A.G. Landman 1988