Phylum Protozoa (Goldfuss, 1818) C.T. von Siebold, 1854 see Kingdom Protozoa Goldfuss, 1818 Subphylum Sarcomastigophora see Phylum Sarcomastigophora Honigberg & Balamuth, 1963 Superclass Sarcodina see Class Sarcodina Class Actinopodea see Subclass Actinopoda Calkins, 1902 Subclass Acantharia see Class Acantharea Haeckel, 1881