Laetmogonidae is a family of

sea cucumbers Sea cucumbers are echinoderms from the class Holothuroidea (). They are marine animals with a leathery skin and an elongated body containing a single, branched gonad. Sea cucumbers are found on the sea floor worldwide. The number of holothurian ...

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

References

Echinoderm families Extant Early Cretaceous first appearances {{Holothuroidea-stub