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Pleurobema flavidulum I. Lea, 1861

Yellow pigtoe

 

 

Taxonomy & Nomenclature

Synonym/s: Unio flavidulus I. Lea, 1861; Margaron (Unio) flavidulus (I. Lea, 1861); Pleurobema (Pleurobema) flavidulus (I. Lea, 1861)

 

Now considered a synonym of P. perovatum (Williams et al., 2017; Graf & Cummings, 2021, 2025; MolluscaBase eds., 2025).

 

Conservation Status

Invalid (synonym of P. perovatum) (Williams et al., 2017; Graf & Cummings, 2021, 2025; MolluscaBase eds., 2025)

IUCN RedList status: Extinct

 

Was previously considered Extinct (Bogan, 2000; Cowie et al., 2017)

 

Distribution & Habitat

Alabama, USA

 

Biology & Ecology

 

 

Hypodigm

 

 

Media

 

 

References

Original scientific description:

Lea, I. (1861). Descriptions of twenty-five new species of Unionidae from Georgia, Alabama, Mississippi, Tennessee and Florida. Proceedings of the Academy of Natural Sciences of Philadelphia. 13: 38-41. [19 March 1861]

 

Other references:

Baillie, J. and Groombridge, B. (eds). (1996). 1996 IUCN Red List of Threatened Animals. pp. 378. International Union for Conservation of Nature, Gland, Switzerland and Cambridge, UK.

Bogan, Arthur E. (Mollusc Specialist Group). (2000). Pleurobema flavidulum. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. (http://www.iucnredlist.org). Downloaded on 19 July 2013.

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.

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 6 July 2025.

Hilton-Taylor, Craig. (2000). 2000 IUCN Red List of Threatened Species. IUCN, Gland, Switzerland and Cambridge, UK.

MolluscaBase eds. (2025). MolluscaBase. Pleurobema perovatum (Conrad, 1834). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=857366 on 2025-07-06

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.

Williams, James D., Bogan, Arthur E. and Garner, Jeffrey T. (2008). Freshwater mussels of Alabama and the Mobile Basin in Georgia, Mississippi and Tennessee. Tuscaloosa, Alabama: University of Alabama Press. xv + 908 pp.

https://extinctanimals.proboards.com/thread/22897/pleurobema-flavidulum-yellow-pigtoe

 

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