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 Centrocubidaeᵀ Hollande & Enjumet, 1960 Genus †Arcicubulus Dumitrica, 1983