Hirasea acutissima Pilsbry, 1902 (original combination)



Taxonomy & Nomenclature

Synonym/s: Hirasaea acuta acutissima (Pilsbry, 1902)


Conservation Status

Last record: 1940's or later

Rediscovered in November 2003 or October 2005 (Chiba et al., 2007:258)

IUCN RedList status: Endangered



Hahajima, 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:

Chiba, Satoshi, Davison, Angus and Mori, Hideaki. (2007). Endemic Land Snail Fauna (Mollusca) on a Remote Peninsula in the Ogasawara Archipelago, Northwestern Pacific. Pacific Science 61(2): 257-265.

Ministry of Environment Japan. (2000). The threatened wildlife of Japan (Red List of Threatened Species of Japan). Available online at rdb/rdb_f.html


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