eukaryotes see Domain Eukaryota Chatton, 1925
Status: extant; Count: 9k;16p;45c;67o;96f;188g;2s
   Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa
  Status: extant; Count: [*] 5p;27c;47o;94f;170g;2s
     Subkingdom Eozoa Cavalier-Smith, 1997 [paraphyletic] see Infrakingdom Eozoa Cavalier-Smith, 1997
    Status: extant; Count: [*] 2p;9c;16o;40f;66g
       Infrakingdom Excavata T. Cavalier-Smith, 2002 [paraphyletic] see Supergroup Excavata Cavalier-Smith, 2002
      Status: extant; Count: [*] 2p;9c;16o;40f;66g
         Phylum Loukozoa Cavalier-Smith, 1999 [paraphyletic]
        Status: extant; Count: [*] 8c;16o;40f;66g
           Subphylum Metamonada Grassé, 1952 see Phylum Metamonada Grassé, 1952
          Status: extant; Count: [*] 5c;13o;35f;60g
             Infraphylum Trichozoa Cavalier-Smith, 1997 see Subphylum Trichozoa Cavalier-Smith, 1997
            Status: extant; Count: [*] 4c;11o;29f;50g
               Superclass Parabasalia Honigberg, 1973 - parabasalids see Infraphylum Parabasalia Honigberg, 1973
              Status: extant; Count: [*] 2c;6o;18f;34g
                 Class Trichomonadea Kirby, 1947
                Status: extant; Count: [*] 4o;12f;25g
                   Subclass Eotrichomonadia Cavalier-Smith, 2012 [paraphyletic]
                  Status: extant; Count: [*] 2o;9f;15g
                     Order Tritrichomonadida Cepicka, Hampl & Kulda, 2010 - tritrichomonadids
                    Status: extant; Count: [*] 4f;6g
                       Family Simplicimonadidae Cepicka, Hampl & Kulda, 2010 [monotypic]
                      Status: extant; Count: [*] 1g
                         1 Genus Simplicimonas Cepicka, Hampl & Kulda, 2010
                        Status: extant; Count: -