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 Hexactinellida Schmidt, 1870 - hexactinellids
Order Hexasterophora Schulze, 1887
see Subclass Hexasterophora Schulze, 1886
1 Genus [Euplectella] Owen, 1841
2 Genus [Farrea] Bowerbank, 1862
3 Genus [Lophocalyx] Schulze, 1887