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 Eukaryonta] see Domain Eukaryota Chatton, 1925
             [Suprakingdom Animalia Linnaeus, 1758] see Kingdom Animalia Linnaeus, 1758
               [Midkingdom Parazoa (Sollas, 1884)] see Superphylum Parazoa Sollas, 1884
                 [Kingdom Porifera Grant, 1836] see Phylum Porifera Grant, 1836
                   1 [Infrakingdom Calcarosponga] see Class Calcarea Bowerbank, 1864
                   2 [Infrakingdom Silicosponga] see Phylum Porifera Grant, 1836