Kingdom Protozoa Goldfuss, 1818 - protozoa
Count: 5p;16c;30o;4f;64g
   Subkingdom Corticata Lankester, 1878 see Subkingdom Biciliata
  Count: 4p;14c;26o;3f;57g
     Infrakingdom Excavata T. Cavalier-Smith, 2002 see Supergroup Excavata Cavalier-Smith, 2002
    Count: [o] 4p;14c;26o;3f;57g
       Superphylum Eozoa Cavalier-Smith, 1997 see Infrakingdom Eozoa Cavalier-Smith, 1997
      Count: [o] 2p;8c;13o;3f;23g
         Phylum Metamonada Grassé, 1952
        Count: [o] 6c;11o;1f;19g
           Subphylum Trichozoa Cavalier-Smith, 1997
          Count: [o] 5c;9o;1f;16g
             Superclass Parabasalia Honigberg, 1973 - parabasalids see Infraphylum Parabasalia Honigberg, 1973
            Count: [o] 2c;4o;7g
               Class Trichomonadea Kirby, 1947
              Count: [o] 3o;6g
                 Order Trichomonadida Kirby, 1947 - trichomonads
                Count: 2g
                   1 Genus Trichomonas Donné, 1836
                  Count: -
                   2 Genus Calonympha Foà, 1905
                  Count: -