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
             Subfamily †Dictyospongiinae Hall & Clarke, 1898
               01 Genus †Palaeophragmodictya Gehling & Rigby, 1996
               02 Genus †Hyalosinica Steiner, Mehl, Reitner & Erdtmann, 1993
               03 Genus †Sanshadictya Steiner, Mehl, Reitner & Erdtmann, 1993
               04 Genus †Dictyorhabdus Walcott, 1892
               05 Genus †Phormosella Hinde, 1888
               06 Genus †Cyathophycella Rigby & Stuart, 1988
               07 Genus †Dictyospongia Hall & Clarke, 1898
               08 Genus †Lobospongia Hurcewicz, 1985
               09 Genus †Ozospongia Clarke, 1918
               10 Genus †Polonoscyphia Hurcewicz, 1985
               11 Genus †Porsguenospongia Pickett & Plusquellec, 1998
               12 Genus †Ramulospongia Hurcewicz, 1985
               13 Genus †Retifungus Rietschel, 1970
               14 Genus †Dialyscyphia Hurcewicz & Czarniecki, 1986
               15 Genus †Mastodictya Hall & Clarke, 1898
               16 Genus †Repospongia Hurcewicz & Czarniecki, 1986
               17 Genus †Microstaura Finks, 1960