[Class] Polycystinea Ehrenberg, 1838 - polycystines see Superclass Polycystinia Ehrenberg, 1838
Status: extant
   Order Spumellaria Ehrenberg, 1875 see Class Spumellaria Ehrenberg, 1875
  Status: extant
     Family Actinommidae Haeckel, 1862
    Status: extant
       Genus Actinomma Haeckel, 1860
      Status: extant
         Actinomma medianum Nigrini, 1967
        Status: extant