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 †Pentactinocarpidae Dumitrica, 1978
           1 Genus †Busuanga Yeh, 1990, nom. illeg.
           2 Genus †Lobactinocapsa Dumitrica, 1978
           3 Genus †Pentactinocapsa Dumitrica, 1978
           4 Genus †Pentactinocarpus Dumitrica, 1978
           5 Genus †Pentactinorbis Dumitrica, 1978