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 †Salzburgiidae Senowbari-Daryan & Schäfer, 1979 [monotypic] Genus †Salzburgia Senowbari-Daryan & Schafer, 1979