Allenoconcha quintalae (Cox, 1870:82)



Taxonomy & Nomenclature

Synonym/s: Helix quintalae Cox, 1870:82 (original combination); Nancibella quintalae (Cox, 1870:82); Nancibella quintalia (Cox, 1870:82); Charopa? quintalae (Cox, 1870:82)


Conservation Status


IUCN RedList status: Extinct



Norfolk Island, Australia


Biology & Ecology










Original scientific description:

Cox, J. C. (1870). Descriptions of seventeen new species of land shells from the South Sea Islands, in the cabinet of Mr John Brazier of Sydney. Proceedings of the Zoological Society of London 1870: 81-85.

Other references:

Baillie, J. and Groombridge, B. (eds). 1996. 1996 IUCN Red List of Threatened Animals. pp. 378. International Union for Conservation of Nature, Gland, Switzerland and Cambridge, UK.

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.

Hyman, Isabel T., Caiza, Jennifer and Köhler, Frank. (2023). Systematic revision of the microcystid land snails endemic to Norfolk Island (Gastropoda: Stylommatophora) based on comparative morpho-anatomy and mitochondrial phylogenetics. Invertebrate Systematics 37(6): 334-443.

Iredale, Tom. (1945). The land Mollusca of Norfolk Island. The Australian Zoologist 2(1): 46-71.

MolluscaBase eds. (2021). MolluscaBase. Nancibella quintalae (Cox, 1870). Accessed at: on 2022-03-25

Neuweger, Diana, White, Peter and Ponder, Winston F. (2001). Land snails from Norfolk Island sites. In: The Prehistoric Archaeology of Norfolk Island, Southwest Pacific, ed. Atholl Anderson and Peter White. Records of the Australian Museum, Supplement 27: 115-122.

Ponder, W. F. and Varman, R. (1996). Nancibella quintalia. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. ( Downloaded on 21 July 2013.

Ponder, W.F. & Varman, R. 1996. Nancibella quintalia. The IUCN Red List of Threatened Species 1996: e.T14318A4431366. 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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