[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838
   Order Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847
     Family Collosphaeridae Müller, 1858
       Genus Trisolenia Ehrenberg, 1860
         Trisolenia megalactis megalactis Ehrenberg, 1872