Partula navigatoria navigatoria Pfeiffer, 1849

Faatere tree snail



Taxonomy & Nomenclature

Synonym/s: Partula navigatorius Pfeiffer, 1849; Partula castanea Garrett, 1884; Partula approximata Garrett, 1884; Partula compressa Carpenter in Pease, 1865; Partula faba var. Carpenter in Pease, 1865 (in part); Partula fusca Pease, 1866; Partula protea Pease, 1866; Partula terrestris “Pease” Garrett, 1884; Partula variabilis Pease, 1866; Partula vittata Pease, 1866


Conservation Status

Extinct or Extinct in the wild (Smith et al., 2023)

Last record: 1992 (Coote, 2009)

IUCN RedList status: Extinct in the Wild



Raiatea, Society Islands, French Polynesia


Biology & Ecology










Original scientific description:

Pfeiffer, L. 1849 (for 1848). Descriptions of twenty-four new species of Helicea, from the collection of H. Cuming, Esq. Proc. Zool. Soc. Lond. 16: 126-131.


Other references:

Coote, T. and Loeve, E. 2003. From 61 species to five: endemic tree snails of the Society Islands, French Polynesia fall prey to an ill-judged biological control programme. Oryx 37(1): 91-96.

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.

Garrett, A. 1884. The terrestrial Mollusca inhabiting the Society Islands. Journ. Acad. Nat. Sci., Phil. (ser. II) 9: 17-114

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

Gerlach, Justin. (2022). Partula navigatoria. The IUCN Red List of Threatened Species 2022: e.T103135035A103137318. Accessed on 17 December 2022.

Pease, W.H. 1865 (for 1864). Descriptions of New Species of Land Shells from the Islands of the Central Pacific. Proc. Zool. Soc. Lond. 32: 668-676.

Pease, W.H. 1866. Descriptions of new species of Partula, inhabiting the Tahitian Archipelago. Am. Journ. Conch. 2(3): 193-203.

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

Smith, Donal et al. (2023). Extinct in the wild: The precarious state of Earth’s most threatened group of species. Science 379(6634): eadd2889.


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