Protozoa Goldfuss, 1818 - protozoans Phylum Sarcomastigophora Honigberg & Balamuth, 1963 Subphylum Sarcodina - amebas Superclass Actinopoda Calkins, 1902 - actinopodans see Phylum Actinopoda Calkins, 1902 Class Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838