Protozoa Goldfuss, 1818 - protozoans Phylum Sarcomastigophora Honigberg & Balamuth, 1963 Subphylum Sarcodina - amebas Superclass Rhizopoda - rhizopodans see Phylum Rhizopoda Dujardin, 1835 Class Acrasea Olive, 1975 see Class Heterolobosea Page & Blanton, 1985