Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum Terrabacteria Battistuzzi et al. 2004
               Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 - cyanobacteria
                 Class "Cyanobacteria" Cavalier-Smith, 2002
                   Subclass Nostocophycideae
                     Order Nostocalesᵀ Borzì (1914)
                       Family Nostocaceaeᵀ Eichler (1886)
                         Subfamily Nostocoideaeᵀ
                           Genus Aulosira O. Kirchner 1878 ex É. Bornet & C. Flahault 1886-1888[1888]
                             1 Aulosira implexa Bornet & Flahault ex Bornet & Flahault (1888)
                             2 Aulosira laxaᵀ O. Kirchner ex E. Bornet & C. Flahault 1886-1888[1888]
                             3 Aulosira polysperma Lagerheim ex Bornet & Flahault (1888)