Kingdom Animalia Linnaeus, 1758 - animals Phylum Porifera Grant, 1836 - sponges Class Demospongiae Sollas, 1885 - demosponges Order Hadromerida Topsent, 1894 [Family Sollasellidae Lendenfeld, 1887 [monotypic]] see Family Raspailiidae Hentschel, 1923