[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838
   Order Nassellaria Ehrenberg, 1875 see Class Nassellaria Ehrenberg, 1847
     Family Collosphaeridae Müller, 1858
       Genus Siphonosphaera Müller, 1858
         1 †Siphonosphaera cyathina Haeckel, 1887
         2 †Siphonosphaera hyalina Caulet, 1986
         3 Siphonosphaera magnisphaera Takahashi, 1991
         4 Siphonosphaera martensi Brandt, 1905
         5 Siphonosphaera polysiphonia Haeckel, 1887
         6 Siphonosphaera socialis Haeckel, 1887
         7 †Siphonosphaera tenera Brandt, 1885
         8 †Siphonosphaera vesuvius Lazarus, 1992