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 Eozoa Cavalier-Smith, 1997
see Infrakingdom Eozoa Cavalier-Smith, 1997
Phylum Metamonada Grassé, 1952
Subphylum Anaeromonada Cavalier-Smith, 1997
Class Anaeromonadea Cavalier-Smith, 1997
1 Order Trimastigida Cavalier-Smith, 2003
2 Order Oxymonadida Grassé, 1952 - oxymonads