Phylum Porifera Grant, 1836 - sponges
Subphylum Hexactinellida Schmidt, 1870
see Class Hexactinellida Schmidt, 1870
Class Amphidiscophora F.E. von Schulze
see Subclass Amphidiscophora Schulze, 1886
Order Amphidiscosida Schrammen, 1924
Family Hyalonematidae Gray, 1857
Genus Chalaronema Ijima, 1927
Genus Compsocalyx Schulze, 1904
Genus Hyalonema Gray, 1832
Genus Lophophysema Schulze, 1900