Partula nodosa Pfeiffer, 1851

Polynesian tree-snail (generic)



Taxonomy & Nomenclature

Synonym/s: composita Crapton, 1916; exigua Crampton, 1916; intermedia Crampton, 1916; laeva Pilsbry, 1909; trilineata Pease, 1866


Conservation Status

Extinct in the wild

Last record: 1980's or before

IUCN RedList status: Extinct in the Wild


Animals were reintroduced to the island from a captive population. Until it is shown to be self-sustaining it shall remain extinct in the wild.



Tahiti, Society Islands, French Polynesia


Biology & Ecology










Original scientific description:

Pfeiffer, L. 1853 (for 1851). Descriptions of fifty-four species of land shells from the collection of H. Cuming, Esq. Proc. Zool. Soc. Lond. 19: 252-263.


Other references:

Coote, T. (2007). Partulids on Tahiti: differential persistence of a minority of endemic taxa among relict populations. American Malacological Bulletin 22: 83-87.

Coote, T. (2009a). Partula nodosa. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. ( Downloaded on 01 October 2013.

Coote, T. (2009b). Partula nodosa. The IUCN Red List of Threatened Species 2009: e.T16320A5601519. Accessed on 11 June 2022.

Cowie, Robert H., Régnier, Claire, Fontaine, Benoît, and Bouchet, Philippe. (2017). Measuring the Sixth Extinction: what do mollusks tell us? The Nautilus 131(1): 3-41.

Dalrymple, S. E., Abeli, T., Ewen, J. G., Gilbert, T. C., Hogg, C. J., Lloyd, N. A., Moehrenschlager, A., Rodríguez, J. P. and Smith, D. (2023). Addressing Threats and Ecosystem Intactness to Enable Action for Extinct in the Wild Species. Diversity 15: 268.

Gerlach, Justin. (2016). Icons of Evolution: Pacific Island tree-snails, family Partulidae. Cambridge, U.K.: Phelsuma Press. [Description of new species] [List of synonyms]

Gouveia, Ana Rita Peres Cardoso. (2011). Investigation of the Factors Affecting the Population Dynamics of Captive Partula Snails. Thesis, Imperial College London. 123 pp.

Lee, Taehwan et al. (2014). Evolutionary history of a vanishing radiation: isolation-dependent persistence and diversification in Pacific Island partulid tree snails.  BMC Evolutionary Biology 14: 202.

Régnier, Claire, Fontaine, Benoît and Bouchet, Philippe. (2009). Not Knowing, Not Recording, Not Listing: Numerous Unnoticed Mollusk Extinctions. Conservation Biology 23(5): 1214-1221.


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