Suborder Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
   Family Collosphaeridae Müller, 1858
     1 Genus Acrosphaera Haeckel, 1881
     2 Genus Clathrosphaera Haeckel, 1881
     3 Genus Collosphaera Müller, 1855
     4 Genus Disolenia Ehrenberg, 1860
     5 Genus Otosphaera Haeckel, 1887
     6 Genus Siphonosphaera Müller, 1858