Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class Nassellaria Ehrenberg, 1847
       Order †Pylomariata Afanasieva, 1999
         Superfamily †Cessipyloroidea Afanasieva, 1999
           Family †Cessipyloridae Afanasieva, 1999
             Subfamily †Cessipylorinae Afanasieva, 1999
               1 Genus †Cessipylorum Nazarov & Ormiston, 1988
               2 Genus †Fusalfanus Furutani, 1990