Leucocharis loyaltyensis (Souverbie, 1879)



Taxonomy & Nomenclature

Synonym/s: Bulimus loyaltyensis Souverbie, 1879 (original combination); Placostylus loyaltyensis (Souverbie, 1879); Leucocharis loyaltiensis (Souverbie, 1879) [orth. error]; Leuchocharis loyaltiensis (Souverbie, 1879) [orth. error]; Leucocharis loyaltyensis lactea Dautzenberg, 1923; Leucocharis loyaltyensis luteomarginata Dautzenberg, 1923; Leucocharis loyaltyensis subaurantiacofulvida Dautzenberg, 1923


Conservation Status

Extinct (Régnier et al., 2009; Cowie et al., 2017)

IUCN RedList status: Extinct



Maré, Loyalty Islands, New Caledonia


Biology & Ecology










Original scientific description:

Souverbie [S.M.] and Montrouzier [X.]. (1879). Descriptions d'espèces nouvelles de l'archipel calédonien. Journal de Conchyliologie. 27(1): 25-34.

Other references:

Baillie, J. and Groombridge, B. (eds). 1996. 1996 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

Barker, G. M., Brodie, G., Bogitini, L. and Pippard, H. (2016). Diversity and current conservation status of Melanesian–New Zealand placostyline land snails (Gastropoda : Bothriembryontidae), with discussion of conservation imperatives, priorities and methodology issues. Pacific Conservation Biology 22(3): 203.

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.

Dautzenberg, Ph. (1923). Mollusques terrestres de la Nouvelle-Calédonie et des îles Loyalty. In: F. Sarasin & J. Roux, Nova Caledonia, Zoologie 3 (1): 135-156.

Eldridge, Niles. (1998). Life in the Balance: Humanity and the Biodiversity Crisis. Princeton, New Jersey: Princeton University Press.

Franc A. (1957). Mollusques terrestres et fluviatiles de l'archipel néo-calédonien. Mémoires du Muséum National d'Histoire Naturelle. ser. A (Zoologie) 13: 1-200, 24 pls.

Groombridge, B. (ed.). 1994. 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

MolluscaBase eds. (2021). MolluscaBase. Leucocharis loyaltyensis (Souverbie, 1879). Accessed at: on 2022-04-02

Mollusc Specialist Group. (1996). Leucocharis loyaltiensis. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. ( Downloaded on 18 July 2013.

Mollusc Specialist Group. 1996. Leucocharis loyaltiensis. The IUCN Red List of Threatened Species 1996: e.T11895A3313377. Accessed on 02 July 2022.

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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