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 Scytonemataceae A.B.Frank (1886)] see Family Scytonemataceae corrig. Frank 1886
                       [Genus Scytonemaᵀ C.Agardh ex Bornet & Flahault (1886)] see Genus Scytonema Agardh ex Bornet and Flahault 1886
                         Scytonema crispum (C.A. Agardh) ex Bornet 1889
                         Scytonema figuratum C.A. Agardh ex Bornet and Flahault 1886-1888[1887]
                         Scytonema hofmanni [ICBN]
                         x [Section Scytonema sect. Myochrotes Bornet & Flahault (1886)]