life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Empire Eukaryota (Chatton, 1925) see Domain Eukaryota Chatton, 1925
     Superkingdom Metakaryota see Domain Eukaryota Chatton, 1925
       Kingdom Protozoa Goldfuss, 1818 - protozoa
         Subkingdom Dictyozoa Cavalier-Smith, 1991
           Branch Parabasalia Honigberg, 1973 [monotypic] see Infraphylum Parabasalia Honigberg, 1973
             Phylum Parabasalia Honigberg, 1973 see Infraphylum Parabasalia Honigberg, 1973
               Class Trichomonadea Kirby, 1947 [monotypic]
                 Order Trichomonadida Kirby, 1947 - trichomonads