|Scientific Name:||Diplommatina aurea|
|Red List Category & Criteria:||Critically Endangered B1ab(iii)+2ab(iii) ver 3.1|
|Reviewer/s:||Cowie, R., Barker, G., Triantis, K., García, N. & Pippard, H.|
This species was not found alive or dead in extensive surveys of Palau in 2003, 2005 or 2007. On account of its narrow range, declining habitat and lack of records, the species is listed as Critically Endangered (Possibly Extinct). The species was last collected in 1936 on the island of Koror, which is currently the most heavily populated island in Palau. Further survey work is essential to determine whether or not this species is still extant in Palau.
This species was previously known only from the island of Koror (Oreor) (Y. Kondo 1936 unpublished data, Beddome 1889): its historical geographic range was therefore approximately less than 7.5 km2. It is possible that it once occurred on other islands that were not surveyed, however available data suggest it is a single island endemic. The species has not been collected since 1936.
|Range Map:||Click here to open the map viewer and explore range.|
This species was last collected by Y. Kondo (Bishop Museum, Honolulu, Hawaii, USA) in 1936 on the island of Koror, which is the currently the most heavily populated island in Palau. Neither live specimens or dead shells have been found in extensive surveys of Palau in 2003, 2005 and 2007 (Rundell 2010).
|Habitat and Ecology:||
This is a ground-dwelling snail recorded from tropical most lowland forests.
This species is threatened by destruction or modification of native lowland forest. Much of the native forest within its range has been destroyed or substantially modified by human habitation, the impacts of which significantly accelerated on Oreor in the World War II and post-WWII era. Bombing-induced destruction likely also negatively impacted available habitats on Koror (Crombie and Pregill 1999).
|Conservation Actions:||Very focused surveys at the locations where the species was previously recorded from and nearby areas of suitable habitat are needed to find out if the species is already extinct.The Palau Conservation Society has been supportive of recent land snail survey work in Palau.|
|Citation:||Rundell, R.J. 2012. Diplommatina aurea. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 11 March 2014.|
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