List of non-marine molluscs of the Pitcairn Islands explained

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^[1]
• Henderson Island: 16 species (7 families) of land snails and two semi-terrestrial molluscs^[1]
• Ducie Island: less than six species of land snails^[1]
• Oeno Island: less than six species of land snails^[1]

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^[1]
• Georissa minutissima (G. B. Sowerby, 1832) - Pitcairn Island^[1]

Helicinidae

• Orobophana solidula (G. B. Sowerby in Gray, 1839) - Henderson Island^[1]

Assimineidae

• Assiminea sp. - Henderson Island, Pitcairn Island^[1]

Ellobiidae

• Allochroa layardi (H. & A. Adams, 1855) - Henderson Island, Oeno Island^[1]
• Melampus flavus (Gmelin, 1791) - Henderson Island, Oeno Island, Ducie Island, Pitcairn Island^[1]

Achatinellidae

• Tubuaia fosbergi Kondo, 1962 - Pitcairn Island^[1]
• Tubuaia hendersoni Kondo, 1962 - Henderson Island^[1]
• Tubuaia voyana christiani Kondo, 1962 - Pitcairn Island^[1]
• Pacificella variabilis Odhner, 1922 - Henderson Island, Ducie Island, Pitcairn Island^[1]
• Pacificella filica Preece, 1995 - Pitcairn Island^[1]
• Lamellidea cf. micropleura Cooke & Kondo, 1961 - Henderson Island, Pitcairn Island^[1]
• Lamellidea oblonga (Pease, 1865) - Henderson Island, Pitcairn Island^[1]
• Lamellidea sp. - Henderson Island, Oeno Island, Pitcairn Island^[1]
• Elasmias sp. - Henderson Island, Pitcairn Island^[1]
• Tornatellides oblongus (Anton, 1839)
  • Tornatellides oblongus oblongus (Anton, 1839) - Pitcairn Island^[1]
  • Tornatellides oblongus parvulus Cooke & Kondo, 1961 - Henderson Island^[1]

Pupillidae

• Pupisoma orcula (Benson, 1850) - Henderson Island, Pitcairn Island^[1]

Vertiginidae

• Nesopupa cf. pleurophora (Shuttleworth, 1852) - Henderson Island^[1]
• Nesopupa sp. nov. - Henderson Island^[1]
• cf. Columella sp. - Oeno island^[1]
• Pronesopupa sp. - Henderson Island^[1]

Subulinidae

• Subulina octona (Bruguière, 1789) - Pitcairn Island, introduced^[1]
• Opeas pumilum (Pfeiffer, 1840) - Pitcairn Island, introduced^[1]
• Allopeas clavulinum (Potiez & Michaud, 1838) - Pitcairn Island, introduced^[1]
• Allopeas gracile (Hutton, 1834) - Pitcairn Island, introduced^[1]

Endodontidae

• Minidonta hendersoni Cooke & Solem in Solem, 1976 - Henderson Island^[1]

Charopidae

• Sinployea pitcairnensis Preece, 1995 - Pitcairn Island^[1]

Helicarionidae

• Philonesia pitcairnensis Baker, 1838 - Pitcairn Island^[1]
• Philonesia filiceti (Beck, 1837) - Pitcairn Island^[1]
• Diastole glaucina Baker, 1938 - Henderson Island^[1]
• Diastole tenuistriata Preece, 1995 - Pitcairn Island^[1]

Pristilomatidae

• Hawaiia minuscula (A. Binney, 1840) - Pitcairn Island, introduced^[1]

Gastrodontidae

• Zonitoides arboreus (Say, 1817) - Pitcairn Island, introduced^[1]

Agriolimacidae

• Deroceras sp. - Pitcairn Island, introduced^[1]

See also

• List of marine molluscs of the Pitcairn Islands
• List of non-marine molluscs of the Gambier Islands
• List of non-marine molluscs of the Cook Islands
• List of non-marine molluscs of Hawaii
• List of non-marine molluscs of Easter Island

Further reading

• Preece R. C. (1995) Systematic review of the land snails of the Pitcairn Islands. In: The Pitcairn Islands: biogeography, ecology and prehistory. Benton T. G. & Spencer T. (eds.) London, Academic Press.
• 12: "The Pitcairn Islands" The Pitcairn Islands. pages 88–95.

Notes and References

1. Preece R. C. (1995) "Systematic review of the land snails of the Pitcairn Islands". Biological Journal of the Linnean Society 56(1-2): 273-307. abstract