Plectostoma sciaphilum (van Benthem Jutting, 1952:45, figure 23)
Shadow-loving karst snail
Taxonomy & Nomenclature
Synonym/s: Opisthostoma sciaphilum van Benthem Jutting, 1952:45, figure 23
Conservation Status
Extinct
Last record: 1952 or before (before 2004?)
IUCN RedList status: Extinct
Distribution
The limestone karst at Bukit Panching, Pahang, Peninsular Malaysia
Biology & Ecology
Hypodigm
Holotype: ZMA 136049 (n=1)
Type locality: Bukit Panching, Pahang (3°53'28"N, 103°8'26"E) (Liew et al. 2014:64)
Paratypes: ZMA 136050 (n=>10)
Media
References
Original scientific description:
van Benthem Jutting, W. S. S. (1952). The Malayan species of Opisthostoma (Gastropoda, Prosobranchia, Cyclophoridae), with a catalogue of all the species hitherto described. The Bulletin of the Raffles Museum 24(5): 5-61.
Other references:
Clements, R. (2009). Opisthostoma sciaphilum. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. (http://www.iucnredlist.org). Downloaded on 07 May 2014.
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.
Maassen, W. J. M. (2001). A preliminary checklist of the non-marine molluscs of West-Malaysia. De Kreukal, Nationaal Natuurhistorisch Museum, Amsterdam.
Schilthuizen, Menno and Clements, Reuben. (2008). Tracking land snail extinctions from space. Tentacle 16: 8-9.
Thorseng, Liew. (2014). Plectostoma sciaphilum. The IUCN Red List of Threatened Species. Version 2014.3. (http://www.iucnredlist.org). Downloaded on 30 November 2014.
Thorseng, L. 2015. Plectostoma sciaphilum. The IUCN Red List of Threatened Species 2015: e.T168180A77504770. https://dx.doi.org/10.2305/IUCN.UK.2015-1.RLTS.T168180A77504770.en. Accessed on 02 July 2022.
Thor-Seng, Liew et al. (2014). A cybertaxonomic revision of the micro-landsnail genus Plectostoma Adam (Mollusca, Caenogastropoda, Diplommatinidae), from Peninsular Malaysia, Sumatra and Indochina. ZooKeys 393: 1-107.
https://www.livescience.com/44348-gorgeous-malaysian-snails-going-extinct.html