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]
           neomura Cavalier-Smith, 1987
             Eukaryota Chatton, 1925 - eukaryotes
               discaria Cavalier-Smith, 2021
                 natates Cavalier-Smith, 2021
                   Metamonada Grassé, 1952
                     Trichozoa Cavalier-Smith, 1997
                       Parabasalia Honigberg, 1973
                         Trichomonadea Kirby, 1947
                           Trichocovina Maaß & Radek, 2006, incertae sedis