Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class Spumellaria Ehrenberg, 1875
       Order †Prodigiata Afanasieva & Amon, 2005
         Family †Eptingiidaeᵀ Dumitrica, 1978
           01 Genus †Charlottea Whalen & Carter, 1998
           02 Genus †Cryptostephanidium Dumitrica, 1978
           03 Genus †Divatella Kozur & Mostler, 1981
           04 Genus †Eptingium Dumitrica, 1978
           05 Genus †Ferresium Blome, 1984
           06 Genus †Perispyridium Dumitrica, 1978
           07 Genus †Protoperispyridium Yeh, 1987
           08 Genus †Pylostephanidium Dumitrica, 1978
           09 Genus †Spongostephanidium Dumitrica, 1978
           10 Genus †Tozerium Whalen & Carter, 1998
           11 Genus †Triassistephanidium Dumitrica, 1978
           12 Genus †Xenorum Blome, 1984