[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838
   Order Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
     Family †Orosphaeridae Haeckel, 1887
       Genus †Oroscena Haeckel, 1887
         1 †Oroscena carolae Friend, 1967