Suborder Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
   Family Collosphaeridae Müller, 1858
     Genus Siphonosphaera Müller, 1858
       1 Siphonosphaera magnisphaera Takahashi, 1991
       2 Siphonosphaera martensi Brandt, 1905
       3 Siphonosphaera socialis Haeckel, 1887
       4 Siphonosphaera hippotis (Haeckel, 1887)