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 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.Gastropoda
Land gastropods
Land gastropods and semi-terrestrial gastropods include:
Hydrocenidae
Helicinidae
- Orobophana solidula - Henderson Island
Assimineidae
- Assiminea sp. - Henderson Island, Pitcairn Island
Ellobiidae
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 - Henderson Island, Pitcairn Island
- Lamellidea sp. - Henderson Island, Oeno Island, Pitcairn Island
- Elasmias sp. - Henderson Island, Pitcairn Island
- Tornatellides oblongus
- * Tornatellides oblongus oblongus - Pitcairn Island
- * Tornatellides oblongus parvulus Cooke & Kondo, 1961 - Henderson Island
Pupillidae
- Pupisoma orcula - Henderson Island, Pitcairn Island
Vertiginidae
- Nesopupa cf. pleurophora - Henderson Island
- Nesopupa sp. nov. - Henderson Island
- cf. Columella sp. - Oeno island
- Pronesopupa sp. - Henderson Island
Subulinidae
- Subulina octona - Pitcairn Island, introduced
- Opeas pumilum - Pitcairn Island, introduced
- Allopeas clavulinum - Pitcairn Island, introduced
- Allopeas gracile - 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 - Pitcairn Island
- Diastole glaucina Baker, 1938 - Henderson Island
- Diastole tenuistriata Preece, 1995 - Pitcairn Island
Pristilomatidae
- Hawaiia minuscula - Pitcairn Island, introduced
Gastrodontidae
- Zonitoides arboreus - Pitcairn Island, introduced
Agriolimacidae
- Deroceras sp. - Pitcairn Island, introduced
