Laetmogonidae

Laetmogonidae is a family of sea cucumbers.

Genera
The following genera are recognised in the family Laetmogonidae:
 * Apodogaster Walsh, 1891
 * Benthogone Koehler, 1895
 * Gebrukothuria Rogacheva & Cross, 2009
 * Laetmogone Théel, 1879
 * †Palaeocaudina Boczarowski, 1997
 * Pannychia Théel, 1882
 * Psychronaetes Pawson, 1983