Kingdom Animalia Linnaeus, 1758 - animals
Phylum Porifera Grant, 1836 - sponges
Class Hexactinellida Schmidt, 1870 - hexactinellids
Genus †Brachiospongia Marsh, 1867
Genus †Coeloptychium Goldfuss, 1826
Genus †Diagoniella Rauff, 1894
Genus †Dierespongia Rigby & Gutschick, 1976
Genus †Eureta Vosmaer, 1885
Genus †Hydnoceras Conrad, 1842
Genus †Mattaspongia Rigby, 1970
Genus †Twenhofelella Rigby, 1974