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 Discicristata Cavalier-Smith, 1998
      Count: [o] 2p;6c;13o;34g
         Phylum Euglenozoa Cavalier-Smith, 1981
        Count: [o] 4c;8o;26g
           Subphylum Plicostoma Patterson, 1988 ex T. Cavalier-Smith, 1998 see Phylum Euglenozoa Cavalier-Smith, 1981
          Count: [o] 2c;5o;14g
             Class Euglenoidea Bütschli, 1884
            Count: [o] 4o;12g
               1 Order Petalomonadida Cavalier-Smith, 1993
              Count: 2g
               2 Order Peranemida Bütschli, 1884
              Count: 2g
               3 Order Rhabdomonadida Leedale, 1967
              Count: 3g
               4 Order Euglenida Bütschli, 1884 - euglenids
              Count: 5g