Class Actinopoda Calkins, 1902 see Parvkingdom Actinopoda Calkins, 1902
   Subclass Radiolaria Müller, 1858 see Phylum Actinopoda Calkins, 1902
     Superorder Polycystina Ehrenberg, 1838 see Class Polycystinea Ehrenberg, 1838
       Order Entactinaria Kozur & Mostler, 1982 see Order Entactiniata Kozur & Mostler, 1982
         Family Saturnalidae Deflandre, 1953
           Subfamily Saturnalinae Deflandre, 1953
             Genus Pseudacanthocircus Kozur & Mostler, 1990