Protozoa Goldfuss, 1818 - protozoans Phylum Sarcomastigophora Honigberg & Balamuth, 1963 Subphylum Sarcodina - amebas Superclass Rhizopoda - rhizopodans see Phylum Rhizopoda Dujardin, 1835 Class Lobosea (Carpenter, 1861) Cavalier-Smith, 1993 see Subphylum Lobosa Carpenter, 1861 Subclass Testacealobosia de Saedeleer, 1934 Order Arcellinida Kent, 1880 - shelled lobosid amebas