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 Verticillitidae Steinmann, 1882 Subfamily Verticillitinae Steinmann, 1882 Genus †Vaceletia Pickett, 1982