Kingdom Protista (Haeckel, 1866) - protists 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 Order Arcellinida Kent, 1880 - shelled lobosid amebas Genus Arcella Ehrenberg, 1830