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 Cyanobacteriota Oren et al. 2022
                 Class Chroococcophyceaeᵀ Hollerbach et al. 1953
                   Order Chroococcales corrig. Ardissone 1887
                     Family Entophysalidaceae Geitler 1925
                       01 Genus †Chlorogloeaopsis Maithy 1975
                       02 Genus †Eoentophysalis Hofmann 1976
                       03 Genus †Perulagranum Green et al. 1988
                       04 Genus Cyanoarbor Wang 1989
                       05 Genus Cyanodermatium Geitler 1933
                       06 Genus Cyanoplacoma Molinari and Guiry 2021
                       07 Genus Entophysalisᵀ Kützing 1843
                       08 Genus Guyotia Schmidle 1905
                       09 Genus Lithocapsa Ercegović 1925
                       10 Genus Paracapsa Naumann 1924
                       11 Genus Siphononema Geitler 1925
                       12 Genus Stilocapsa Ley 1947