Phylum Porifera Grant, 1836 - sponges
   Class Demospongea Sollas, 1875 see Class Demospongiae Sollas, 1885
     Subclass †Lithistida Schmidt, 1870
       Order Tetralithistida Lagneau-Hérenger, 1962
         Suborder Dicranocladina Schrammen, 1924
           Family Corallistidae Sollas, 1888
             Subfamily †Gignouxiinae de Laubenfels, 1955
               1 Genus †Gelasinophorus Schrammen, 1924
               2 Genus †Gignouxia Moret, 1926
               3 Genus †Gilletia Lagneau-Herenger, 1962
               4 Genus †Phrissospongia Moret, 1926
               5 Genus †Pycnoclonella Lagneau-Hérenger, 1962
               6 Genus †Schrammeniella Briestroffer, 1949
               7 Genus †Spinocladia Lagneau-Hérenger, 1962
               8 Genus †Procorallistes Schrammen, 1901