[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838
   Order Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847
     Family Theoperidae Haeckel, 1881
       Genus †Phormocyrtis Haeckel, 1887
         †Phormocyrtis striata Brandt, 1935
           1 †Phormocyrtis striata exquisita (Kozlova, 1966)
           2 †Phormocyrtis striata praexquisita Nishimura, 1992
           3 †Phormocyrtis striata striata Brandt, 1935