Chambardia letourneuxi Servain, 1891 "1890":307

Taxonomy & Nomenclature

Synonyms: Chambardia letourneuxiana Simpson, 1900; Spathopsis wahlbergi letourneuxi (Bourguignat, 1890); Chambardia wahlbergi letourneuxi (Bourguignat in Servain, 1890); Chambardia bourguignati Servain, 1890; Chambardia locardiana Servain, 1890; Chambardia pharaonum Servain, 1890; Chambardia rhynchoidea Servain, 1890; Chambardia rhynchonella Servain, 1890; Chambardia locardi Pallary, 1909

See Graf & Cummings (2025) for a more complete taxonomic history.

Conservation Status

Missing (Graf & Cummings, 2025; MolluscaBase eds, 2025) or Extinct (Van Damme & Ghamizi, 2010b; Graf & Cummings, 2021:28)

Last record: subfossil (Van Damme & Ghamizi, 2010b)

Rediscovered in/Last record: early 1900's (Van Damme & Ghamizi, 2010b)

IUCN RedList status: Extinct

Distribution & Habitat

Lower Nile, Egypt

Biology & Ecology

Hypodigm

16 shells (two halves per shell), exist in museum collections:

BMNH 1937-12-30-13154
SMF 12208
MNHN MP 0862
MNHN MP 0922
MNHN MP 0924
USNM 126496
MCZ MP.222
UMMZ 111963
USNM 86768
ANSP 47576

Media

For phtographs of all specimens see: http://mussel-project.ua.edu/db/db.php?p=div&l=spp&n=897

References

Original scientific description:

Servain, G. (1891 "1890"). Des Acéphales lamellibranches fluviatiles du système Européen. Bulletins de la Société Malacologique de France 7: 281-323, pl. 5-7..

Other references:

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.

Daget J. (1998). Catalogue raisonné des mollusques bivalves d'eau douce africains. Leiden: Backhuys / Paris: Editions de l'ORSTOM. 329 pp.

Graf, Daniel L. and Cummings, Kevin S. (2007). Preliminary review of the freshwater mussels (Mollusca: Bivalvia: Unionoida) of northern Africa with an emphasis on the Nile. Journal Egyptian German Society of Zoology 53D: 89-118.

Graf, Daniel L. and Cummings, K. S. (2011). Freshwater mussel (Mollusca: Bivalvia: Unionoida) richness and endemism in the ecoregions of Africa and Madagascar based on comprehensive museum sampling. Hydrobiologia 678(1): 17-36. https://doi.org/10.1007/s10750-011-0810-5

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 (36 pp.). https://doi.org/10.1093/mollus/eyaa034

Graf, Daniel L. and Cummings, Kevin S. (2025). The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves). MUSSEL Project Web Site, https://www.mussel-project.net/. Accessed 23 June 2025.

Haas, F. (1969). Superfamilia Unionacea. Das Tierreich 88: 1-663.

Ibrahim, A. M., Bishai, H. M. and Khalil, M. T. (1999). Freshwater molluscs of Egypt. Egyptian Environmental Affairs Agency, National Biodiversity Unit (10). 145 pp.

MolluscaBase eds. (2025). MolluscaBase. Chambardia letourneuxi Servain, 1891. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1353668 on 2025-06-22

Pallary, P. (1909). Catalogue de la faune malacologique de l’Égypte. Mémoires de l’Institut d’Égypte 6(1): 1-92, pls. 1-5.

Simpson, C. T. (1900). Synopsis of the naiades, or pearly fresh-water mussels. Proceedings of the United States National Museum 22: 501-1044.

Simpson, Charles Torrey. (1914). A descriptive catalogue of the naiades, or pearly fresh-water mussels. Parts I-III. Detroit, Michigan: Bryant Walker. 1540 pp.

Van Damme, D. (1984). The Freshwater Mollusca of Northern Africa: Distribution, Biogeography and Palaeoecology, Developments in Hydrobiology (25). 164 pp.

Van Damme, D. and Ghamizi, M. (2010a). Chambardia letourneuxi. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. (http://www.iucnredlist.org). Downloaded on 29 January 2012.

Van Damme, D. and Ghamizi, M. (2010b). Chambardia letourneuxi. The IUCN Red List of Threatened Species 2010: e.T184510A8283720. https://dx.doi.org/10.2305/IUCN.UK.2010-3.RLTS.T184510A8283720.en. Accessed on 20 June 2022.

https://extinctanimals.proboards.com/thread/23417/chambardia-letourneuxi

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