Phylum Protozoa (Goldfuss, 1818) C.T. von Siebold, 1854 see Kingdom Protozoa Goldfuss, 1818 Subphylum Cnidospora 1 Class Myxosporidea see Class Myxosporea Bütschli, 1881 2 Class Microsporidea Corliss & Levine, 1963