[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838
   Order Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847
     Family Trissocyclidae Haeckel, 1881 see Family Acanthodesmiidae Haeckel, 1862
       Genus †Desmospyris Haeckel, 1881
         1 †Desmospyris mamillata Haeckel, 1887
         2 †Desmospyris rhodospyroides Petrushevskaya, 1975
         3 †Desmospyris spongiosa Hays, 1965
         4 †Desmospyris stabiloides Petrushevskaya, 1972