Phylum Protozoa (Goldfuss, 1818) C.T. von Siebold, 1854 see Kingdom Protozoa Goldfuss, 1818 Subphylum Sarcomastigophora see Phylum Sarcomastigophora Honigberg & Balamuth, 1963 1 Superclass Mastigophora Diesing, 1866 see Subphylum Mastigophora Diesing, 1866 2 Superclass Opalinata Wenyon, 1926 3 Superclass Sarcodina see Class Sarcodina