Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               ["Protista" Haeckel, 1866, incertae sedis] see Kingdom protists
                 [Grade "protozoa" Goldfuss, 1818 - protozoans]
                   [Phylum Ascetospora Sprague, 1979 - ascetosporans] see Class Ascetosporea T. Cavalier-Smith, 2002
                     [Class Stellatosporea] see Phylum Haplosporidia Caullery & Mesnil, 1899
                       [Order Balanosporida Sprague, 1979] see Order Haplosporida M. Caullery & F. Mesnil, 1899
                         [Family Anurosporidiidae] see Family Urosporidiidae
                           [Genus Anurosporidiumᵀ Guyenot, 1943] see Genus Urosporidium Caullery & Mesnil, 1905