Eukaryota  >  Metazoa  >  Porifera  >  Hexactinellida

Order	Family	Genus	Species
Amphidiscosida	3	11	43
Aulocalycoida	0	0	0
Hexactinosida	1	2	4
Lyssacinosida	5	47	159
Sceptrulophora	7	23	56