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 Contophora (T. Christensen, 1962)]
               [Kingdom Chromophytobionta]
                 [Infrakingdom Choanobionta] see Phylum Choanoflagellata Kent, 1880
                   [Phylum Craspedophyta] see Phylum Choanozoa Cavalier-Smith, 1981
                     1 [Class Craspedophyceaeᵀ Chadef. (1960)] see Class Choanoflagellatea Cavalier-Smith, 1998