Phylum Porifera Grant, 1836 - sponges
   Class Hexactinellida Schmidt, 1870 - hexactinellids
     Subclass Hexasterophora Schulze, 1886
       Order Lychniscosa Schrammen, 1903 see Order Lychniscosida Schrammen, 1903
         Family Callodictyonidae Zittel, 1878
           Subfamily Callicylicinae Reid, 2004
             1 Genus †Ceriodictyon Oppliger, 1907
             2 Genus †Brachiolites Smith, 1848
             3 Genus †Centrosia Schrammen, 1912 see Genus Kentrosia Schrammen, 1902
             4 Genus †Cephalites Smith, 1848
             5 Genus †Tremabolites Zittel, 1878
             6 Genus †Callicylix Schrammen, 1912