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 Oculatellales Strunecký & Mareš (2023) [monotypic]] see Order Oculatellales Strunecký and Mareš 2023
                     [Family Oculatellaceaeᵀ Mai & J.R.Johans. (2018)] see Family Oculatellaceae Mai and Johansen 2018
                       01 [Genus Albertania Zammit (2018)] see Genus Albertania Zammit 2018
                       02 [Genus Calenema Ramos, Brito & Kaštovský (2017)] see Genus Calenema Ramos et al. 2017
                       03 [Genus Cartusia Mai, Johansen & Pietrasiak (2018)] see Genus Cartusia Mai et al. 2018
                       04 [Genus Drouetiella Mai, Johansen & Pietrasiak (2018)] see Genus Drouetiella Mai et al. 2018
                       05 [Genus Elainella Jahodářová, Dvořák & Hašler (2018)] see Genus Elainella Jahodářová et al. 2018
                       06 [Genus Kaiparowitsia Mai, Johansen & Bohunická (2018)] see Genus Kaiparowitsia Mai et al. 2018
                       07 [Genus Komarkovaea Mai, Johansen & Pietrasiak (2018)] see Genus Komarkovaea Mai et al. 2018
                       08 [Genus Metis Konstantinou & Gkelis (2021)] see Genus Metis Konstantinou and Gkelis 2021
                       09 [Genus Oculatellaᵀ G.Zammit, D.Billi & P.Albertano (2012)] see Genus Oculatella Zammit et al. 2012
                       10 [Genus Pegethrix Mai, Johansen & Bohunická (2018)] see Genus Pegethrix Mai et al. 2018
                       11 [Genus Shackletoniella Strunecký, Raabová & Bernardova (2020)] see Genus Shackletoniella Strunecký et al. 2020
                       12 [Genus Sodaleptolyngbya M. Cellamare, C. Duval, N. Touibi, C. Djediat & C. Bernard (2018)] see Genus Sodaleptolyngbya Cellamare et al. 2018
                       13 [Genus Thermoleptolyngbya Sciuto & Moro (2016)] see Genus Thermoleptolyngbya Sciuto and Moro 2016
                       14 [Genus Tildeniella Mai, Johansen & Bohunická (2018)] see Genus Tildeniella Mai et al. 2018
                       15 [Genus Timaviella Sciuto & Moro (2017)] see Genus Timaviella Sciuto and Moro 2017
                       16 [Genus Toxifilum Zimba, Huang, Foley & Linton (2017)] see Genus Toxifilum Zimba et al. 2017
                       17 [Genus Trichotorquatus Pietrasiak & J.R.Johans. (2021)] see Genus Trichotorquatus Pietrasiak and Johansen 2021