Phylum Porifera Grant, 1836 - sponges
   Subphylum Hexactinellida Schmidt, 1870 see Class Hexactinellida Schmidt, 1870
     Class Hexasterophora F.E. von Schulze see Subclass Hexasterophora Schulze, 1886
       Order Hexactinosida Schrammen, 1903
         Family Farreidae Gray, 1872
           Genus Claviscopulia Schulze, 1899
           Genus Farrea Bowerbank, 1862
           Genus Lonchiphora Ijima, 1927
           Genus Sarostegia Topsent, 1904