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 "Pseudanabaenales" Hoffmann et al. 2005 nom. nud.
                     Family Pseudanabaenaceaeᵀ Anagnostidis and Komárek 1988
                       01 Genus Alkalinema Vaz et al. 2015
                       02 Genus Arthronema Komárek and Lukavský 1988
                       03 Genus Jaaginema Anagnostidis and Komárek 1988
                       04 Genus Limnothrix Meffert 1987
                       05 Genus Pantanalinema Vaz et al. 2015 [monotypic]
                       06 Genus Pseudanabaenaᵀ Lauterborn 1915
                       07 Genus Sokolovia Elenkin 1926
                       08 Genus Spirulinopsis Bharadwaja 1963
                       09 Genus Tumidithrix Luz et al. 2023
                       10 Genus Yonedaella Umezaki 1962