Phylum Porifera Grant, 1836 - sponges
   Class Hexactinellida Schmidt, 1870 - hexactinellids
     Subclass Amphidiscophora Schulze, 1886
       Order Reticulosa Reid, 1958
         Superfamily †Dictyospongioidea Hall & Clarke, 1899
           1 Family †Dictyospongiidae Hall & Clarke, 1898
           2 Family †Docodermatidae Finks, 1960
           3 Family †Stereodictyidae Finks, 1960