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]
           [Kingdom Protista (Haeckel, 1866) - protists]
             [Division Chromophyta T.A.Chr. (1990)] see Superphylum Chromophyta
               1 [Heterokonta] see Superphylum Heterokonta Caval.-Sm. (1986)