Chilonopsis melanoides (Wollaston, 1892)

Melania-like St. Helena awl snail



Taxonomy & Nomenclature

Synonym/s: Chilonopsis melanioides (Wollaston, 1892)


Conservation Status


Last record: 1870's (Mollusc Specialist Group, 1996)

IUCN RedList status: Extinct



Saint Helena, Ascension and Tristan da Cunha


Biology & Ecology










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.

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

Mollusc Specialist Group. 1996. Chilonopsis melanoides. The IUCN Red List of Threatened Species 1996: e.T4638A11047667. Downloaded on 16 May 2018.

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

G. W. Tryon; H. A. Pilsbry: Manual of Conchology. Second series: Pulmonata, Vol. 17, 1904-1905


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