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 Nostocales Borzì (1914)] see Order Nostocales corrig. Borzì 1914
                     [Family Nodulariaceae Elenkin (1916)] see Family Nodulariaceae Elenkin 1916
                       [Genus Anabaenopsis V.V.Mill. (1923)] see Genus Anabaenopsis Miller 1923
                         Anabaenopsis arnoldii E.M. Aptekarj 1926
                         Anabaenopsis circularis (G.S.West) V. Mill.
                         Anabaenopsis cuatrecasasii González-Guerrero, nom. dub.
                         Anabaenopsis cunningtonii W.R. Taylor (1932)
                         Anabaenopsis elenkiniiᵀ V.V. Miller 1923
                         ?Anabaenopsis gangetica Nair (1967), nom. dub.
                         Anabaenopsis hispanica González-Guerrero, nom. dub.
                         Anabaenopsis luzonensis Taylor (1932)
                         [Anabaenopsis philippinensis Taylor (1932)] see Cylindrospermopsis philippinensis (Taylor 1932)
                         Anabaenopsis tanganyikae (G.S. West) V. Miller