Phylum Porifera Grant, 1836 - sponges Class Demospongiae Sollas, 1885 - demosponges Order †Permosphincta Termier & Termier, 1974 Suborder †Aporata Seilacher, 1962 Family †Cliefdenelliidae Senowbari-Daryan & García-Bellido, 2002 see Family Cliefdenellidae Webby, 1969 1 Genus †Cliefdenella Webby, 1969 2 Genus †Khalfinaea Webby & Lin Baoyu, 1988 3 Genus †Rigbyetia Webby & Lin, 1988