Phylum Radiolaria Müller, 1858 see Subphylum Radiozoa Cavalier-Smith, 1987
   Superclass Polycystina Ehrenberg, 1838 see Superclass Polycystinia Ehrenberg, 1838
     Class Sphaerellaria Haeckel, 1881
       Order Actinommata Haeckel, 1862
         Family Actinommidae Haeckel, 1862
           Genus †Pseudacanthosphaera De Wever, Dumitrica, Caulet, Nigrini & Caridroit, 2001, nom. null. see Genus Pseudoacanthosphaera O'Dogherty, 1994