Helicostyla collodes (Sowerby, 1841)



Taxonomy & Nomenclature



Conservation Status

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

IUCN RedList status: Least Concern



Cebu, Philippines


Biology & Ecology










Abbott, R. T. (1989). Compendium of Landshells. American Malacologists, Melbourne, Florida.

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.

Poppe, G.T., Tagaro, S.P., Crookshanks, D., Groh, K. and Sarino, J. (2012). A statement on the landsnails of Cebu. Visaya 3(6): 65-103.

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

Tagaro, S. and Poppe, G. (2014). Helicostyla collodes. The IUCN Red List of Threatened Species 2014: e.T177783A1497816. Downloaded on 14 May 2018.


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