Phylum Porifera Grant, 1836 - sponges
   Class Hexactinellida Schmidt, 1870 - hexactinellids
     Subclass Hexasterophora Schulze, 1886
       Order Lyssacinosa Zittel, 1877 see Order Lyssacinosida Zittel, 1877
         Superfamily †Brachiospongioidea Beecher, 1889
           Family †Malumispongiidae Rigby, 1967
             1 Genus †Walliospongia Rigby & Webby, 1988
             2 Genus †Malumispongium Rigby, 1967
             3 Genus †Oncosella Rauff, 1894
             4 Genus †Carbonella Hurcewicz & Czarniecki, 1986, nom. illeg.
             5 Genus †Scaphiomanon Gutschick & Perry, 1959