[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838
   Order Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
     Family Litheliidae Haeckel, 1862
       Genus Larcopyle Dreyer, 1889
         †Larcopyle polyacantha (Campbell & Clark, 1944)
           †Larcopyle polyacantha titan Lazarus, Faust & Popova-Goll, 2005