Suborder Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
   Family Collosphaeridae Müller, 1858
     Genus Otosphaera Haeckel, 1887
       1 Otosphaera auriculata Haeckel, 1887
       2 Otosphaera tenuissima (Hilmers, 1906)
       3 Otosphaera polymorpha Haeckel, 1887