List of non-marine molluscs of the Pitcairn Islands

The non-marine molluscs of Pitcairn Islands are a part of the molluscan fauna of the Pitcairn Islands.


 * Pitcairn Island: 24 species of land snails and one semi-terrestrial gastropod
 * Henderson Island: 16 species (7 families) of land snails and two semi-terrestrial molluscs
 * Ducie Island: less than six species of land snails
 * Oeno Island: less than six species of land snails

There is a high degree of endemism of these species.

Land gastropods
Land gastropods and semi-terrestrial gastropods include:

Hydrocenidae
 * Georissa hendersoni Preece, 1995 - Henderson Island
 * Georissa minutissima (G. B. Sowerby, 1832) - Pitcairn Island

Helicinidae
 * Orobophana solidula (G. B. Sowerby in Gray, 1839) - Henderson Island

Assimineidae
 * Assiminea sp. - Henderson Island, Pitcairn Island

Ellobiidae
 * Allochroa layardi (H. & A. Adams, 1855) - Henderson Island, Oeno Island
 * Melampus flavus (Gmelin, 1791) - Henderson Island, Oeno Island, Ducie Island, Pitcairn Island

Achatinellidae
 * Tubuaia fosbergi Kondo, 1962 - Pitcairn Island
 * Tubuaia hendersoni Kondo, 1962 - Henderson Island
 * Tubuaia voyana christiani Kondo, 1962 - Pitcairn Island
 * Pacificella variabilis Odhner, 1922 - Henderson Island, Ducie Island, Pitcairn Island
 * Pacificella filica Preece, 1995 - Pitcairn Island
 * Lamellidea cf. micropleura Cooke & Kondo, 1961 - Henderson Island, Pitcairn Island
 * Lamellidea oblonga (Pease, 1865) - Henderson Island, Pitcairn Island
 * Lamellidea sp. - Henderson Island, Oeno Island, Pitcairn Island
 * Elasmias sp. - Henderson Island, Pitcairn Island
 * Tornatellides oblongus (Anton, 1839)
 * Tornatellides oblongus oblongus (Anton, 1839) - Pitcairn Island
 * Tornatellides oblongus parvulus Cooke & Kondo, 1961 - Henderson Island

Pupillidae
 * Pupisoma orcula (Benson, 1850) - Henderson Island, Pitcairn Island

Vertiginidae
 * Nesopupa cf. pleurophora (Shuttleworth, 1852) - Henderson Island
 * Nesopupa sp. nov. - Henderson Island
 * cf. Columella sp. - Oeno island
 * Pronesopupa sp. - Henderson Island

Subulinidae
 * Subulina octona (Bruguière, 1789) - Pitcairn Island, introduced
 * Opeas pumilum (Pfeiffer, 1840) - Pitcairn Island, introduced
 * Allopeas clavulinum (Potiez & Michaud, 1838) - Pitcairn Island, introduced
 * Allopeas gracile (Hutton, 1834) - Pitcairn Island, introduced

Endodontidae
 * Minidonta hendersoni Cooke & Solem in Solem, 1976 - Henderson Island

Charopidae
 * Sinployea pitcairnensis Preece, 1995 - Pitcairn Island

Helicarionidae
 * Philonesia pitcairnensis Baker, 1838 - Pitcairn Island
 * Philonesia filiceti (Beck, 1837) - Pitcairn Island
 * Diastole glaucina Baker, 1938 - Henderson Island
 * Diastole tenuistriata Preece, 1995 - Pitcairn Island

Pristilomatidae
 * Hawaiia minuscula (A. Binney, 1840) - Pitcairn Island, introduced

Gastrodontidae
 * Zonitoides arboreus (Say, 1817) - Pitcairn Island, introduced

Agriolimacidae
 * Deroceras sp. - Pitcairn Island, introduced