Protozoa Goldfuss, 1818 - protozoans Phylum Sarcomastigophora Honigberg & Balamuth, 1963 Subphylum Sarcodina - amebas Superclass Rhizopoda - rhizopodans see Phylum Rhizopoda Dujardin, 1835 Class Xenophyophorea Schulze, 1904