Kingdom "Protista" (Haeckel, 1866) - protists Superphylum Polymastigota see Domain Eukaryota Chatton, 1925 Phylum Diplomonada 1 Class Retortamonadea Grassé, 1952 2 Class Diplomonadea see Subclass Diplozoa (Dangeard, 1910) Cavalier-Smith, 1996