Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [[crown] organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           [Superkingdom Eukarya Chatton, 1925] see Domain Eukaryota Chatton, 1925
             [Kingdom Protoctista Hogg, 1860]
               [Division Bacillariophyta Engl. & Gilg (1919)] see Phylum Bacillariophyta Engl. & Gilg (1919)
                 [Subdivision Bacillariophytinaᵀ Medlin & Kaczmarska (2004)] see Subphylum Bacillariophytina Medlin & Kaczmarska (2004)
                   [Class "Bacillariophycideae" Kingston (2003)] see Class Bacillariophyceae Haeckel (1878)