Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987 Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838 Class Spumellaria Ehrenberg, 1875 Order Capsulata Afanasieva & Amon, 2005 Family Quinquecapsulariidae Dumitrica, 1995 1 Genus Empirea Whalen & Carter, 1998 2 Genus †Quinquecapsularia Pessagno, 1971