Phylum Porifera Grant, 1836 - sponges Class Hexactinellida Schmidt, 1870 - hexactinellids Subclass Hexasterophora Schulze, 1886 Order Lychniscosa Schrammen, 1903 see Order Lychniscosida Schrammen, 1903 Family †Camerospongiidae Schrammen, 1912 Genus †Camerospongia d'Orbigny, 1849 Subgenus †C. (Synolynthia) Pomel, 1872