Ogasawarana chichijimana (Kuroda, 1956)



Taxonomy & Nomenclature

Synonym/s: Pleuropoma chichijimanum Kuroda, 1956 (protonym); Ogasawarana chichijimana Minato, 1980 (junior homonym and synonym)


Conservation Status


IUCN RedList status: Critically Endangered



Chichijima, Bonin Islands (=Ogasawara Islands), Japan


Biology & Ecology










Original scientific description:

Kuroda, T. (1956). Nihon oyobi rinsetsu chi’iki-san rikusei kairui so (2) [Synopsis of the terrestrial mollusks of Japan and adjacent areas part 2]. Venus 19(2): 132-147. [In Japanese.]


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.

Callomon, Paul. (2015). On the authorship and types of three Ogasawara helicinids (Mollusca: Gastropoda). Proceedings of the Academy of Natural Sciences of Philadelphia 164(1): 21-29.

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.

Iwakawa, T. (1919). Catalogue of the Japanese Mollusca in the Natural History Department, Tokyo Imperial Museum. 2+3+318+595+39 pp. Tokyo, Imperial Museum.

Kurozumi, T. (1988). Species composition and abundance of land mollusks and factors affecting their extinction in the Ogasawara Islands. Ogasawara Res. 15: 59-109.

Minato, Hiroshi. (1980). Helicinidae of the Ogasawara Islands, with the descriptions of five new species. Venus 38(4): 235-246.

Mollusc Specialist Group. (1996). Ogasawarana chichijimana. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. ( Downloaded on 20 April 2014.

MolluscaBase eds. (2021). MolluscaBase. Ogasawarana chichijimana (Kuroda, 1956). Accessed at: on 2022-04-23

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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