List of non-marine molluscs of the Cook Islands
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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,[1] and 48 species of land gastropods.[2]
- Atropis rarotongana Brook, 2010 - endemic[2]
- Minidonta aroa Brook, 2010 - endemic[2]
- Minidonta arorangi Brook, 2010 - endemic[2]
- Minidonta iota Brook, 2010 - endemic[2]
- Minidonta kavera Brook, 2010 - endemic[2]
- Minidonta matavera Brook, 2010 - endemic[2]
- Minidonta ngatangiia Brook, 2010 - endemic[2]
- Minidonta pue Brook, 2010 - endemic[2]
- Minidonta rutaki Brook, 2010 - endemic[2]
- Thaumatodon multilamellata Garrett, 1887 - extinct

- 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[2]
- 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[2]
- Sinployea tenuicostata Garrett, 1872 - extinct
- Sinployea titikaveka Brook, 2010 - endemic[2]
- Sinployea tupapa Brook, 2010 - endemic[2]
- Sinployea youngi Garrett, 1872 - extinct
- Partula assimilis - endemic[4]
- Partula hyalina
- Nesopupa rarotonga Brook, 2010 - endemic[2]