Tretodictyidae

Tretodictyidae is a family of glass sponges in the order Sceptrulophora.

Genera
The family Tretodictyidae includes the following genera.
 * Anomochone Ijima, 1927
 * Hexactinella Carter, 1885
 * Psilocalyx Ijima, 1927
 * Sclerothamnopsis Wilson, 1904
 * Sclerothamnus Marshall, 1875
 * Tretocalyx Schulze, 1901
 * Tretodictyum Schulze, 1886