Hirasea biconcava Pilsbry, 1902




Taxonomy & Nomenclature

Synonym/s: Hirasea planulata biconcava Pilsbry, 1902


Conservation Status


IUCN RedList status: Data Deficient



Ogasawara Islands (=Bonin Islands), Japan


Biology & Ecology










Original scientific description:

Pilsbry, Henry A. (1902). New Land Mollusca from Japan and the Bonin Islands. Proceedings of the Academy of Natural Sciences of Philadelphia 54(1): 25-32. [Abstract]


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.

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

Mollusc Specialist Group. (1996). Hirasea biconcava. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. ( Downloaded on 21 April 2014.

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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