Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] 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
                 ["stramenopiles" Patterson, 1990, nom. vernac.] see [unranked] Stramenopiles Patterson, 1990
                   [Order Slopalinida Patterson, 1989] see Phylum Opalinata Wenyon, 1926