[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838
   Order Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
     Family Actinommidae Haeckel, 1862
       Genus †Joergensenium Bjørklund, Dumitrica, Dolven & Swanberg, 2008
         1 †Joergensenium rotatile Bjørklund, Dumitrica, Dolven & Swanberg, 2008