Kingdom Animalia Linnaeus, 1758 - animals Phylum Porifera Grant, 1836 - sponges Class Demospongiae Sollas, 1885 - demosponges Order Haplosclerida Topsent, 1928 Suborder Haplosclerina Topsent, 1928 1 Family Callyspongiidae de Laubenfels, 1936 2 Family Chalinidae Gray, 1867 3 Family Niphatidae van Soest, 1980