Phylum Protozoa (Goldfuss, 1818) C.T. von Siebold, 1854 see Kingdom Protozoa Goldfuss, 1818 1 Subphylum Sarcomastigophora see Phylum Sarcomastigophora Honigberg & Balamuth, 1963 2 Subphylum Sporozoa Leuckart, 1879 see Superclass Sporozoa Leuckart, 1879 3 Subphylum Cnidospora 4 Subphylum Ciliophora Doflein, 1901 see Phylum Ciliophora Doflein, 1901