eukaryotes see Domain Eukaryota Chatton, 1925 Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa Subkingdom Natozoa Cavalier-Smith, 2021 [paraphyletic] Infrakingdom Eozoa Cavalier-Smith, 1997 see Clade Discoba Simpson 2009 Superphylum Discicristata Cavalier-Smith, 1998 Phylum Euglenozoa Cavalier-Smith, 1981 Subphylum Euglenoida Bütschli, 1884