The non-marine molluscs of Pitcairn Islands are a part of the molluscan fauna of the Pitcairn Islands.[1][2]
- Pitcairn Island: 24 species of land snails and one semi-terrestrial gastropod[3]
- Henderson Island: 16 species (7 families) of land snails and two semi-terrestrial molluscs[3]
- Ducie Island: less than six species of land snails[3]
- Oeno Island: less than six species of land snails[3]
There is a high degree of endemism of these species.
Gastropoda
Land gastropods
Land gastropods and semi-terrestrial gastropods include:
Hydrocenidae
- Georissa hendersoni Preece, 1995 - Henderson Island[3]
- Georissa minutissima (G. B. Sowerby, 1832) - Pitcairn Island[3]
Helicinidae
- Orobophana solidula (G. B. Sowerby in Gray, 1839) - Henderson Island[3]
Assimineidae
Ellobiidae
- Allochroa layardi (H. & A. Adams, 1855) - Henderson Island, Oeno Island[3]
- Melampus flavus (Gmelin, 1791) - Henderson Island, Oeno Island, Ducie Island, Pitcairn Island[3]
Achatinellidae
- Tubuaia fosbergi Kondo, 1962 - Pitcairn Island[3]
- Tubuaia hendersoni Kondo, 1962 - Henderson Island[3]
- Tubuaia voyana christiani Kondo, 1962 - Pitcairn Island[3]
- Pacificella variabilis Odhner, 1922 - Henderson Island, Ducie Island, Pitcairn Island[3]
- Pacificella filica Preece, 1995 - Pitcairn Island[3]
- Lamellidea cf. micropleura Cooke & Kondo, 1961 - Henderson Island, Pitcairn Island[3]
- Lamellidea oblonga (Pease, 1865) - Henderson Island, Pitcairn Island[3]
- Lamellidea sp. - Henderson Island, Oeno Island, Pitcairn Island[3]
- Elasmias sp. - Henderson Island, Pitcairn Island[3]
- Tornatellides oblongus (Anton, 1839)
- Tornatellides oblongus oblongus (Anton, 1839) - Pitcairn Island[3]
- Tornatellides oblongus parvulus Cooke & Kondo, 1961 - Henderson Island[3]
Pupillidae
Vertiginidae
Subulinidae
Endodontidae
- Minidonta hendersoni Cooke & Solem in Solem, 1976 - Henderson Island[3]
Charopidae
Helicarionidae
Pristilomatidae
Gastrodontidae
Agriolimacidae