The Recently Extinct Plants and Animals Database

Ctenodesma borneensis (Issel, 1874:476)



Taxonomy & Nomenclature

Synonym/s: Unio plicatulus I. Lea, 1859:152 (junior homonym); Unio borneeensis Issel, 1874:476



Conservation Status

Last record: 1962

Rediscovered in 2018















Original scientific description:

Issel, A. (1874). Molluschi Borneensi. Illustrazione delle specie terrestri e d'acqua dolce raccolte nell'isola di Borneo. Dai Signori G. Doria e O. Beccari. Memoria di Arturo Issel. Annali del Museo Civico di Storia Naturale di Genova. 6: 366-486, pls 4-7.


Other references:

Graf, Daniel L. and Cummings, Kevin S. (2021). A ‘big data’ approach to global freshwater mussel diversity (Bivalvia: Unionoida), with an updated checklist of genera and species. Journal of Molluscan Studies 87(1): eyaa034.

Haas F. (1969) Superfamilia Unionacea. In: Das Tierreich (Berlin). (Eds R. Mertens & W. Henning), pp. 1–663. de Gruyter & Co., Berlin.

Lea, I. (1859). Descriptions of twenty one new species of exotic Unionidae. Proceedings of the Academy of Natural Sciences of Philadelphia. 11: 151-154

MolluscaBase eds. (2020). MolluscaBase. Ctenodesma borneensis (Issel, 1874). Accessed at: on 2020-07-25

Zieritz, Alexandra, Bogan A.E., Rahim K.A.A., Sousa R., Jainih L., Harun S., et al. (2018). Changes and drivers of freshwater mussel diversity and distribution in northern Borneo. Biological Conservation 219, 126-137.

Zieritz, Alexandra and Lopes-Lima, M. (2018). Handbook and National Red-List of the Freshwater Mussels of Malaysia. Zieritz & Lopes-Lima, Kuala Lumpur, 29 pp.

Zieritz, Alexandra, Taha, Hussein et al. (2020). Towards the conservation of Borneo’s freshwater mussels: rediscovery of the endemic Ctenodesma borneensis and first record of the non-native Sinanodonta lauta. Biodiversity and Conservation.


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