Coelatura essoensis (Chaper, 1885:481)

Taxonomy & Nomenclature

Synonym/s: Unio essoensis Chaper, 1885:481

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

Conservation Status

Missing (Van Damme, 2020)

Last record: 1935 (Van Damme, 2020)

IUCN RedList status: Critically Endangered (Possibly Extinct)

Distribution & Habitat

canal within the Assinie Lagoon/Esso River, Côte d'Ivoire

Biology & Ecology

Hypodigm

Media

References

Original scientific description:

Chaper M. (1885). Description de quelques espèces nouvelles de coquilles vivantes provenant de l'Afrique Australe et d'Assinie. Bulletin de la Société Zoologique de France 10: 479-486.

Other references:

Bourguignat, J. R. (1888). Iconographie Malacologique des Animaux Mollusques Fluviatiles du Lac Tanganika. 82 pp., 35 pls.

Bourguignat, J. R. (1889). Mollusques de l’Afrique Équatoriale de Moguedouchou a Bagamoyo et de Bagamoyo au Tanganika. 229 pp., 8 pls.

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

Germain, L. (1907). Les mollusques terrestres & fluviatiles de l'Afrique centrale française. [in] Chevalier, L’Afrique Centrale Française: 459-617 [546].

Graf, Daniel L. and Cummings, Kevin S. (2007). Review of the systematics and global diversity of freshwater mussel species (Bivalvia: Unionoida). Journal of Molluscan Studies 73(4): 291-314. https://doi.org/10.1093/mollus/eym029

Graf, Daniel L. and Cummings, Kevin S. (2011). Freshwater mussel (Mollusca: Bivalvia: Unionoida) richness and endemism in the ecoregions of Africa and Madagascar based on comprehensive museum sampling. Hydrobiologia 678: 17-36 + supplemental material. 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 26 June 2025.

Haas, F. (1936). Binnen-Mollusken aus Inner-Afrika, hauptsächlich gesammelt von Dr. F. Haas während der Schomburgk-Expedition in der Jahren 1931/32. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft 431: 1-156, 8 pls.

Haas, F. (1969). Superfamilia Unionacea. Das Tierreich 88: x, 1-663. Walter de Gruyter & Co., Berlin.

Hauhouot, Célestin. (2010). Le littoral d’Assinie en Côte‑d’Ivoire: dynamique côtière et aménagement touristique. Les Cahiers d’Outre-Mer 251: 305-320.

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.

Kambire, O. (2014). Caractérisation des eaux d'une lagune estuarienne de la Côte d'Ivoire: la Lagune Aby. Larhyss Journal 20: 95-110.

Kobelt, W. (1910). Verzeichnis der aus Afrika bekannten Binnenconchylien. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft 32: 53-97.

Mandahl-Barth, G. (1988). Studies on African Freshwater Bivalves. Charlottenlund, Denmark: Danish Bilharziasis Laboratory. 161 pp.

MolluscaBase eds. (2025). MolluscaBase. Coelatura essoensis (Chaper, 1885). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1304043 on 2025-06-28

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

Pallary, P. (1924). Supplément a la fauna malacologique terrestre et fluviatile de l’Égypte. Mémoires de l’Institut d’Égypte 7 (n.s.). 61 pp., 4 pls.

Simpson, Charles Torrey. (1900). Synopsis of the naiades, or pearly fresh-water mussels. Proceedings of the United States National Museum 22(1205): 501-1044, pl. 18.

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. (2020). Coelatura essoensis. The IUCN Red List of Threatened Species 2020: e.T147658654A147658677. https://dx.doi.org/10.2305/IUCN.UK.2020-2.RLTS.T147658654A147658677.en. Accessed on 01 August 2022.

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