Subclass Radiolaria Müller, 1858 see Phylum Actinopoda Calkins, 1902 Count: - Order Polycystina Ehrenberg, 1838 see Class Polycystina Ehrenberg, 1838 Count: - Suborder Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875 Count: 7f36g51s4ss Family Sponguridae Haeckel, 1862 Count: 4g5s Genus Spongurus Haeckel, 1860 Count: - Spongurus elliptica (Ehrenberg, 1872) Count: -