Suborder Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
   Family Collosphaeridae Müller, 1858
     Genus Acrosphaera Haeckel, 1881
       1 Acrosphaera spinosa (Haeckel, 1862)
       2 Acrosphaera murrayana (Haeckel, 1887)
       3 Acrosphaera cyrtodon (Haeckel, 1887)