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 Rivulariaceae Frank (1886)] see Family Rivulariaceae Frank 1886
                       [Genus Setchelliella G. De Toni (1936)] see Genus Scytonematopsis Kiseleva 1930
                       01 ?[Genus Calothrix C.Agardh ex Bornet & Flahault (1886)] see Genus Calothrix Agardh ex Bornet and Flahault 1886
                       02 ?[Genus Dichothrix Zanardini ex Bornet & Flahault (1886)] see Genus Dichothrix Zanardini ex Bornet and Flahault 1886
                       03 ?[Genus Gardnerula G. De Toni (1936)] see Genus Gardnerula De Toni 1936
                       04 ?[Genus Isactis G. Thuret ex Bornet & Flahault (1886)] see Genus Isactis Thuret ex Bornet and Flahault 1886
                       05 ?[Genus Microchaete G. Thuret ex Bornet & Flahault (1886), nom. cons.] see Genus Microchaete Thuret ex Bornet and Flahault 1886 nom. cons.
                       06 ?[Genus Sacconema A. Borzì ex Bornet & Flahault (1886)] see Genus Sacconema Borzì ex Bornet and Flahault 1886
                       07 [Genus Dulcicalothrix Saraf, Suradkar, Dawda, Gaysina, Gabidullin, Kumat, Behere, Kotulkar, Batule & Singh (2019)] see Genus Dulcicalothrix Saraf et al. 2019
                       08 [Genus Kyrtuthrix Ercegović (1929)] see Genus Kyrtuthrix Ercegović 1929
                       09 [Genus Macrochaete Berrendero Gómez, Johansen & Kastovsky (2016)] see Genus Macrochaete Berrendero Gómez et al. 2016
                       10 [Genus Mastigocoleus G. Lagerheim ex Bornet & Flahault (1886)] see Genus Mastigocoleus Lagerheim ex Bornet and Flahault 1886
                       11 [Genus Nunduva González-Resendiz, León-Tejera & Johansen (2018)] see Genus Nunduva González-Resendiz et al. 2018
                       12 [Genus Phyllonema D.O. Alvarenga, J. Rigonato, L.H.Z. Branco, I.S. Melo & M.F. Fiore (2016)] see Genus Phyllonema Alvarenga et al. 2016
                       13 [Genus Richelia J. Schmidt (1901)] see Genus Richelia Schmidt 1901
                       14 [Genus Rivulariaᵀ C.Agardh ex Bornet & Flahault (1886), nom. cons.] see Genus Rivularia Agardh ex Bornet and Flahault 1886 nom. cons.
                       14.0 [Genus "Physactis" Kütz. (1843), nom. inval.] see Genus Physactis Kützing 1843 nom. inval.
                       x [Genus "Gleoetrichia" orth. inval.] see Genus Gloeotrichia J.Agardh ex Bornet & Flahault (1886)