Phylum Porifera Grant, 1836 - sponges
   Class Demospongea Sollas, 1875 see Class Demospongiae Sollas, 1885
     Subclass Ceractinomorpha Lévi, 1953 see Class Demospongiae Sollas, 1885
       Order Vaceletida Finks & Rigby, 2004
         Family †Colospongiidae Senowbari-Daryan, 1990
           Subfamily †Colospongiinae Senowbari-Daryan, 1990
             1 Genus †Blastulospongia Pickett & Jell, 1983
             2 Genus †Pseudoimperatoria Senowbari-Daryan & Rigby, 1988
             3 Genus †Colospongia Laube, 1865
             4 Genus †Subascosymplegma Deng, 1981
             5 Genus †Tristratocoelia Senowbari-Daryan & Rigby, 1988
             6 Genus †Uvothalamia Senowbari-Daryan, 1990