Epioblasma propinqua (I. Lea, 1857)

Nearby pearly mussel, Tennessee riffleshell



Taxonomy & Nomenclature

Synonym/s: Dysnomia propinqua I. Lea, 1857; Plagiola propinqua I. Lea, 1857


Conservation Status

Last record:1901

IUCN status: Extinct



Alabama, Illinois, Indiana, Kentucky, Ohio & Tennessee, USA


Biology & Ecology




35 specimens are in the Illinois Natural History Survey mollusc [url=https://www.inhs.illinois.edu/animals_plants/mollusk/]collection[/url]:

INHS 1694
INHS 3206
INHS 4752
INHS 4780
INHS 5805
INHS 6019
INHS 6076
INHS 6168
INHS 6260
INHS 6292
INHS 6345
INHS 6426
INHS 6443
INHS 6488
INHS 6727
INHS 8187
INHS 8236
INHS 8294
INHS 11407
INHS 12298
INHS 12509
INHS 12603
INHS 18919
INHS 19027
INHS 19058
INHS 19088
INHS 19113
INHS 19232
INHS 19247
INHS 19349
INHS 20304
INHS 20306
INHS 25210
INHS 41649
INHS 41688






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. (2011). Epioblasma propinqua. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. (https://www.iucnredlist.org). Downloaded on 22 April 2012.

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.

Johnson, R. D. (1978). Systematics and zoogeography of Plagiola (Dysonomia, Epioblasma) an almost extinct genus of freshwater mussels (Bivalvia: Unionidae) from middle North America. Bulletin of the Museum of Comparative Zoology 148: 239-320.

Morrison, J. P. E. (1942). Preliminary report on mollusks found in the shell mounds of the Pickwidk Landing basin in the Tennessee River valley. Bureau of American Ethnology Bulletin 129: 339-392.

Régnier, Claire, Fontaine, Benoît and Bouchet, Philippe. (2009). Not Knowing, Not Recording, Not Listing: Numerous Unnoticed Mollusk Extinctions. Conservation Biology 23(5): 1214-1221.

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.



<< Back to the Bivalvia (Mussels, Clams, Oysters etc.) database