Hexactinosida Schrammen, 1912
Anomochone Ijima, 1927
Cyrtaulon Schulze, 1886
Hexactinella Carter, 1885
Psilocalyx Ijima, 1927
Sclerothamnopsis Wilson, 1904
Sclerothamnus Marshall, 1875
Tretocalyx Schulze, 1900
Tretodictyum Schulze, 1886