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]
           [Eukaryota Chatton, 1925 - eukaryotes] see Domain Eukaryota Chatton, 1925
             [Phylum Axostylata] see Phylum Metamonada Grassé, 1952
               1 [Class Oxymonadea Grassé, 1952 [monotypic]] see Order Oxymonadida Grassé, 1952
               2 [Class Parabasalea Honigberg, 1973] see Superclass Parabasalia Honigberg, 1973