Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987 Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838 Class Nassellaria Ehrenberg, 1847 Order Cyrtidinata Haeckel, 1862 Superfamily Acropyramidoidea Haeckel, 1881 Family Acropyramididae Haeckel, 1881 Genus Spongopyramis Haeckel, 1887