Phylum Porifera Grant, 1836 - sponges
   Class Hexactinellida Schmidt, 1870 - hexactinellids
     Subclass Amphidiscophora Schulze, 1886
       Order Reticulosa Reid, 1958
         Superfamily †Dictyospongioidea Hall & Clarke, 1899
           Family †Dictyospongiidae Hall & Clarke, 1898
             1 Subfamily †Dictyospongiinae Hall & Clarke, 1898
             2 Subfamily †Prismodictyinae de Laubenfels, 1955
             3 Subfamily †Hydnoceratinae Finks & Rigby, 2004
             4 Subfamily †Calathospongiinae Hall & Clarke, 1898
             5 Subfamily †Physospongiinae Hall & Clarke, 1898
             6 Subfamily †Thysanodictyinae Hall & Clarke, 1898