eukaryotes see Domain Eukaryota Chatton, 1925 Kingdom Protozoa Goldfuss, 1818 - protozoa Subkingdom Dictyozoa Cavalier-Smith, 1991 Branch Bikonta Cavalier-Smith, 1993 Infrakingdom Euglenozoa Cavalier-Smith, 1981 Phylum Euglenozoa Cavalier-Smith, 1981 Subphylum Euglenoidea Bütschli, 1884 Class Petalomonadea Cavalier-Smith, 1993 1 Order Petalomonadida Cavalier-Smith, 1993