Omphalotropis margarita (Pfeiffer, 1851)



Taxonomy & Nomenclature

Synonym/s: Cyclostoma margarita Pfeiffer, 1851


Conservation Status


Last record: early 1900's



Gambier Islands


Biology & Ecology










Original scientific description:

Pfeiffer, L. (1851). Descriptions of forty-three new species of Cyclostomacea, from the collection of Hugh Cuming, Esq. Proceedings of the Zoological Society of London 1851: 242-251.


Other references:

Bouchet, Philippe and Abdou, Ahmed. (2003). Endemic land snails from the Pacific Islands and the museum record: Documenting and dating the extinction of the terrestrial Assimineidae of the Gambier Islands. J. Moll. Stud. 69: 165–170.

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.

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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