Phylum Porifera Grant, 1836 - sponges
   Class Hexactinellida Schmidt, 1870 - hexactinellids
     Subclass Hexasterophora Schulze, 1886
       Order Lychniscosa Schrammen, 1903 see Order Lychniscosida Schrammen, 1903
         Family †Camerospongiidae Schrammen, 1912
           1 Genus †Camerospongia d'Orbigny, 1849
           2 Genus †Rhytistamnia Pomel, 1872
           3 Genus †Stamnia Pomel, 1872
           4 Genus †Toulminia Zittel, 1878