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 Lyssacinosida Zittel, 1877
         Family Leucopsacadidae Ijima, 1903 see Family Leucopsacidae Ijima, 1898
           Genus Caulocalyx Schulze, 1886
           Genus Chaunangium Schulze, 1904
           Genus Chaunoplectella Ijima, 1896
           Genus Leucopsacus Ijima, 1898
           Genus Placopegma Schulze, 1896