Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987 Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838 Class Spumellaria Ehrenberg, 1875 Order Cancelliata Afanasieva & Amon, 2003 Family Orosphaeridae Haeckel, 1887 Genus Oropelex Friend & Riedel, 1967