Kingdom Protista (Haeckel, 1866) - protists Phylum Sarcomastigophora Honigberg & Balamuth, 1963 Subphylum Sarcodina - amebas Superclass Rhizopoda - rhizopodans see Phylum Rhizopoda Dujardin, 1835 Class Granuloreticulosea - reticulose amebas see Phylum Foraminifera d'Orbigny, 1826 Order Foraminiferida d'Orbigny, 1826 - foraminiferans see Class Foraminifera d'Orbigny, 1826 Genus Tretomphalus Möbius, 1880