List of non-marine molluscs of the Cook Islands

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Location 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.[1]

There is a high degree of endemism of these species.

Summary table of number of species
Cook Islands
freshwater gastropods  ??
land gastropods 48[2]
gastropods altogether  ???
bivalves  ??
molluscs altogether ???
non-indigenous gastropods in the wild  ? freshwater and ?? land
non-indigenous synantrop gastropods  ?
non-indigenous bivalves in the wild  ?
non-indigenous synantrop bivalves  ?
non-indigenous molluscs altogether  ?


Freshwater gastropods[edit]

Land gastropods[edit]



Drawing of the shell of an extinct snail Sinployea decorticata.



Freshwater bivalves[edit]

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

See also[edit]


  1. ^ IUCN 2009. IUCN Red List of Threatened Species. Version 2009.2. <>. Downloaded on 7 November 2009.
  2. ^ a b c d e f g h i j k l m n o Brook F. J. (2010). "Coastal landsnail fauna of Rarotonga, Cook Islands: systematics, diversity, biogeography, faunal history, and environmental influences". Tuhinga: records of the Museum of New Zealand Te Papa Tongarewa 21: 161-252. abstract.
  3. ^ Solem A. (7 January 1983) Endodontoid land snails from Pacific Islands (Mollusca: Pulmonata: Sigmurethra). Part II. Families Punctidae and Charopidae, Zoogeography. Field Museum of Natural History, Chicago, ISSN 0015-0754. [1]