List of non-marine molluscs of the Cook Islands

The non-marine molluscs of Cook Islands are a part of the molluscan fauna of the Cook Islands. There are 14 species of land snails listed as extinct in 2009 IUCN Red List, and 48 species of land gastropods.

Land gastropods
Assimineidae
 * Atropis rarotongana Brook, 2010 - endemic

Endodontidae
 * Minidonta aroa Brook, 2010 - endemic
 * Minidonta arorangi Brook, 2010 - endemic
 * Minidonta iota Brook, 2010 - endemic
 * Minidonta kavera Brook, 2010 - endemic
 * Minidonta matavera Brook, 2010 - endemic
 * Minidonta ngatangiia Brook, 2010 - endemic
 * Minidonta pue Brook, 2010 - endemic
 * Minidonta rutaki Brook, 2010 - endemic
 * Thaumatodon multilamellata Garrett, 1887 - extinct



Charopidae
 * Libera fratercula fratercula (Pease)
 * Libera subcavernula Tryon, 1887 - extinct
 * Libera tumuloides Garrett, 1872 - extinct
 * Mautodontha unilamellata Garrett, 1884 - extinct
 * Mautodontha zebrina - extinct
 * Sinployea atiensis
 * Sinployea andrewi
 * Sinployea avanaensis
 * Sinployea canalis Garrett, 1872 - extinct
 * Sinployea decorticata (Garrett, 1872) - extinct
 * Sinployea harveyensis Garrett, 1872 - extinct
 * Sinployea muri Brook, 2010 - endemic
 * Sinployea otareae Garrett, 1872 - extinct
 * Sinployea planospira Garrett, 1872 - extinct
 * Sinployea proxima Garrett, 1872 - extinct
 * Sinployea rudis Garrett, 1872 - extinct
 * Sinployea taipara Brook, 2010 - endemic
 * Sinployea tenuicostata Garrett, 1872 - extinct
 * Sinployea titikaveka Brook, 2010 - endemic
 * Sinployea tupapa Brook, 2010 - endemic
 * Sinployea youngi Garrett, 1872 - extinct

Vertiginidae
 * Nesopupa rarotonga Brook, 2010 - endemic

Freshwater bivalves
The status of freshwater bivalves in this area is currently unknown.