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 Leptobasaceae Elenkin (1917), nom. illeg.] see Family Nostocaceae Eichler 1886
                       1 ?[Genus Camptylonemopsis Desikachary (1948)] see Genus Camptylonemopsis Desikachary 1948
                       2 ?[Genus Coleospermum Kirchner ex Frank (1886)] see Genus Microchaete Thuret ex Bornet and Flahault 1886 nom. cons.
                       3 ?[Genus Thiochaete H. Welsh (1961)] see Genus Thiochaete Welsh 1961
                       4 [Genus Aulosira O. Kirchner ex Bornet & Flahault (1886)] see Genus Aulosira Kirchner ex Bornet and Flahault 1886
                       5 [Genus Calochaete T.Hauer, M.Bohunická & R.Mühlsteinová (2013)] see Genus Calochaete Hauer et al. 2013
                       6 [Genus Fortieaᵀ G. De Toni (1936)] see Genus Fortiea De Toni 1936
                       6.0 [Genus Leptobasisᵀ A.A. Elenkin (1915), nom. illeg.] see Genus Fortiea G. De Toni (1936)