Suborder Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
Count: 7f;57g;88s;5ss
   Family Spongodiscidae Haeckel, 1862
  Count: 10g;14s;1ss
     Genus Amphirhopalum Haeckel, 1881
    Count: 2s
       1 Amphirhopalum ypsilon Haeckel, 1887
      Count: -
       2 Amphirhopalum straussii (Haeckel, 1887)
      Count: -