[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838
   Order Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847
     Family Theoperidae Haeckel, 1881
       Genus †Theocotylissa Foreman, 1973
         1 †Theocotylissa alpha Foreman, 1973
         2 †Theocotylissa auctor Foreman, 1973
         3 †Theocotylissa ficus (Ehrenberg, 1873)
         4 †Theocotylissa fimbria Foreman, 1973