eukaryotes see Domain Eukaryota Chatton, 1925
Count: 9k;16p;45c;67o;96f;188g;2s
   Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa
  Count: [*] 5p;27c;47o;94f;170g;2s
     Subkingdom Eozoa Cavalier-Smith, 1997 [paraphyletic] see Infrakingdom Eozoa Cavalier-Smith, 1997
    Count: [*] 2p;9c;16o;40f;66g
       Infrakingdom Excavata T. Cavalier-Smith, 2002 [paraphyletic] see Supergroup Excavata Cavalier-Smith, 2002
      Count: [*] 2p;9c;16o;40f;66g
         Phylum Loukozoa Cavalier-Smith, 1999 [paraphyletic]
        Count: [*] 8c;16o;40f;66g
           Subphylum Metamonada Grassé, 1952 see Phylum Metamonada Grassé, 1952
          Count: [*] 5c;13o;35f;60g
             Infraphylum Trichozoa Cavalier-Smith, 1997 see Subphylum Trichozoa Cavalier-Smith, 1997
            Count: [*] 4c;11o;29f;50g
               Superclass Parabasalia Honigberg, 1973 - parabasalids see Infraphylum Parabasalia Honigberg, 1973
              Count: [*] 2c;6o;18f;34g
                 Class Trichonymphea Hartmann, 1911
                Count: [*] 2o;6f;9g
                   Order Trichonymphida Hartmann, 1911
                  Count: [*] 5f;8g
                     Family Spirotrichosomidae Hollande & Carruette-Valentin, 1971
                    Count: [*] 2g
                       Genus Spirotrichosoma Sutherland, 1933
                      Count: -