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Helenodiscus bilamellata (Sowerby, 1844)

 

 

Taxonomy & Nomenclature

 

 

Conservation Status

Extinct

IUCN RedList status: Extinct

 

Distribution

St. Helena

 

Biology & Ecology

 

 

Hypodigm

 

 

Media

 

 

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.

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

Mollusc Specialist Group. (1996). Helenodiscus bilamellata. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. (http://www.iucnredlist.org). Downloaded on 15 July 2013.

Mollusc Specialist Group. 1996. Helenodiscus bilamellata. The IUCN Red List of Threatened Species 1996: e.T9770A13014939. https://dx.doi.org/10.2305/IUCN.UK.1996.RLTS.T9770A13014939.en. 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.

http://ia600202.us.archive.org/13/items/manualofconcholo28tryorich/manualofconcholo28tryorich.pdf

 

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