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]
           [Domain Eucaryota]
             [Subdomain Amoebota Doweld (2001)]
               [Kingdom Hydrobiota Doweld, 2001]
                 [Subkingdom Ctenoplanobiotina Doweld, 2001 [monotypic]]
                   [Phylum Ctenoplanozoaᵀ Doweld, 2001]
                     1 [Class Ctenoplanateaᵀ Doweld, 2001]
                     2 [Class Beroatea Doweld, 2001]