Phylum Porifera Grant, 1836 - sponges
   Class Demospongea Sollas, 1875 see Class Demospongiae Sollas, 1885
     Subclass †Lithistida Schmidt, 1870
       Order Spirosclerophorida Reid, 1963
         Suborder Rhizomorina Zittel, 1895
           Superfamily Scleritodermatoidea Sollas, 1888
             1 Family Scleritodermatidae Sollas, 1888
             2 Family Jereicidae Schrammen, 1924
             3 Family Seliscothonidae Schrammen, 1924
             4 Genus †Reiswigia Trammer, 1979
             5 Genus †Orecyta de Laubenfels, 1955
             6 Genus †Perimera Pomel, 1872
             7 Genus †Plococonia Pomel, 1872
             8 Genus †Pocillospongia Courtiller, 1861
             9 Genus †Verrucospongia d'Orbigny, 1849