Kingdom [Animalia] Linnaeus, 1758 - animals Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758 Division Parazoa (Sollas, 1884) see [unranked] Parazoa (Sollas, 1884) Phylum Spongia Class Demospongiae Sollas, 1885 - demosponges Order Tetraxonida Suborder Astromonaxonellina Family Spirastrellidae Ridley & Dendy, 1886 1 Genus [Spirastrella] Schmidt, 1868