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 Genus †Blastulospongia Pickett & Jell, 1983