Protozoa Goldfuss, 1818 - protozoans Phylum Sarcomastigophora Honigberg & Balamuth, 1963 Subphylum Mastigophora Diesing, 1866 - flagellates Subphylum Opalinata Wenyon, 1926 see Superclass Opalinata Wenyon, 1926 Subphylum Sarcodina - amebas