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 Eopharyngia (Cavalier-Smith, 1993) Cavalier-Smith, 2003
            Count: [o] 2c;4o;8g
               Class Retortamonadea Grassé, 1952
              Count: [o] 1o;2g
                 Order Retortamonadida Grassé, 1952 - retortamonads
                Count: 2g
                   Genus Chilomastix Alexeieff, 1910
                  Count: -