Trachythyone

Trachythyone is a genus of sea cucumbers in the family Cucumariidae.

Species
The following species are recognised in the genus Trachythyone:
 * Trachythyone candida O'Loughlin & O'Hara, 1992
 * Trachythyone crassipeda Cherbonnier, 1961
 * Trachythyone flaccida Thandar, 2013
 * Trachythyone glaberrima (Semper, 1869)
 * Trachythyone glebosa O'Loughlin & O'Hara, 1992
 * Trachythyone lechleri (Lampert, 1885)
 * Trachythyone macphersonae Pawson, 1962
 * Trachythyone maxima Massin, 1992
 * Trachythyone muricata Studer, 1876
 * Trachythyone nina (Deichmann, 1930)
 * Trachythyone peruana (Semper, 1868)