Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987 Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838 Class Collodaria Haeckel, 1881 Family Sphaerozoidae Haeckel, 1862 Genus Collozoum Haeckel, 1862