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 1 Phylum Loukozoa Cavalier-Smith, 1999 2 Phylum Metamonada Grassé, 1952