Pleurobema curtum (I. Lea, 1859)

Black clubshell, Curtus's mussel



Taxonomy & Nomenclature



Conservation Status

Last record: mid-1980's; 1990 (Suckling et al. 2004)

IUCN RedList status: Critically Endangered



Alabama & Mississippi, USA


Biology & Ecology










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.

Cummings, K. & Cordeiro, J. (2012). Pleurobema curtum. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. ( Downloaded on 19 February 2013.

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.

Haag, W. R. (2004). Black clubshell Pleurobema curtum. In: Mirarchi R, Garner JT, Mettee MF, and O’Neil PE, eds, Alabama Wildlife. Volume 2. Imperiled Aquatic Mollusks and Fishes, p. 29. The University of Alabama Press, Tuscaloosa.

Hartfield, P. and Jones, R. (1989). The status of Epioblasma penita, Pleurobema curtum, and P. taitianum in the East Fork Tombigbee River - 1988. Technical Report No. 8. Mississippi Museum of Natural Science.

Stansbery, D. H. (1983). The status of Pleurobema curtum (Lea 1859) (Mollusca: Bivalvia: Unionoida) (unpublished report). 10 pp. + 6 pp. museum records.

Suckling, Kieran, Slack, Rhiwena and Nowicki, Brian. (2004). Extinct and the Endangered Species Act. Centre For Biological Diversity. 63 pp.

U.S. Fish and Wildlife Service. (1987). Endangered and threatened wildlife and plants; endangered status for Marshall’s Mussel (Pleurobema marshalli), Curtus’ Mussel (Pleurobema curtum), Judge Tait’s Mussel (Pleurobema taitianum), the Stirrup Shell (Quadrual stapes) and the Penitent Mussel (Epioblasma (=Dysnomia) penita). Federal Register 52(66): 11162-11168.

U.S. Fish and Wildlife Service. (1989). Recovery plan for five Tombigbee River mussels: Curtus’ pearly mussel (Pleurobema curtum), Marshall’s pearly mussel (Pleurobema marshalli), Judge Tait’s mussel (Pleurobema taitianum), penitent mussel (Epioblasma penita), and stirrup shell (Quadrulla stapes). USFWS Region 4, Atlanta, GA. 18 pp.

Williams, James D., Bogan, Arthur E., Butler, Robert S., Cummings, Kevin S., Garner, Jeffrey T., Harris, John L., Johnson, Nathan A. and Watters, G. Thomas. (2017). A revised list of the freshwater mussels (Mollusca: Bivalvia: Unionida) of the United States and Canada. Freshwater Mollusk Biology and Conservation 20: 33-58.


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