Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class Nassellaria Ehrenberg, 1847
       Order Cyrtidinata Haeckel, 1862
         Superfamily Amphipyndacioidea Riedel, 1967
           Family †Parvicingulidae Pessagno, 1977
             Subfamily †Wrangelliinae Yeh, 1987
               1 Genus †Neowrangellium Yeh, 1987
               2 Genus †Paracanoptum Yeh, 1987
               3 Genus †Proparvicingula Carter, 1993
               4 Genus †Pseudocrolanium Jud, 1994
               5 Genus †Svinitzium Dumitrica, 1997
               6 Genus †Wrangellium Pessagno & Whalen, 1982