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 1 Class Rhizopodea see Subclass Rhizopoda 2 Class Piroplasmea Wenyon, 1926 see Subclass Piroplasmia 3 Class Actinopodea see Subclass Actinopoda Calkins, 1902