Kingdom Protozoa Goldfuss, 1818 - protozoa
   Subkingdom Corticata Lankester, 1878 see Subkingdom Biciliata
     Infrakingdom Excavata T. Cavalier-Smith, 2002 see Supergroup Excavata Cavalier-Smith, 2002
       Superphylum Discicristata Cavalier-Smith, 1998
         Phylum Euglenozoa Cavalier-Smith, 1981
           1 Genus Petalomonas F. Stein, 1859
           2 Genus Euglena C.G. Ehrenberg, 1830
           3 Genus Bodo Ehrenberg, 1830
           4 "euglenoids" see Class Euglenoidea Bütschli, 1884
           5 "diplonemids" see Order Diplonemida Cavalier-Smith, 1993
           6 "kinetoplastids" see [unranked] Kinetoplastea Honigberg, 1963
           7 Genus Postgaardi T. Fenchel et al., 1995