Epioblasma lewisii


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Epioblasma lewisii
Species Authority: (Walker, 1910)
Common Name(s):
English Forkshell, Lewis Pearly Mussel
Dysnomia lewisii Walker, 1910
Taxonomic Notes: Was listed in the 1996 IUCN Red List under the name Dysnomia lewisii?.

Assessment Information [top]

Red List Category & Criteria: Extinct ver 2.3
Year Published: 2000
Date Assessed: 2000-06-30
Needs updating
Assessor(s): Bogan, A.E. (Mollusc Specialist Group)
Reviewer(s): Seddon. M.B. (Mollusc Red List Authority)
Bogan suggests it may possibly be extinct due to pollution in the catchment.
1996 Critically Endangered
1996 Extinct
1996 Critically Endangered (Baillie and Groombridge 1996)
1994 Extinct? (Groombridge 1994)
1990 Extinct? (IUCN 1990)
1988 Extinct? (IUCN Conservation Monitoring Centre 1988)
1986 Extinct? (IUCN Conservation Monitoring Centre 1986)

Geographic Range [top]

Range Description: Cumberland and Tennessee River systems.
Regionally extinct:
United States (Alabama, Illinois, Kentucky, Tennessee)
Range Map: Click here to open the map viewer and explore range.

Habitat and Ecology [top]

Habitat and Ecology: Large rivers, amongst shallow riffle-beds in gravel and sand. Winter breeder.
Systems: Freshwater

Threats [top]

Major Threat(s): Extinction due to pollution and habitat destruction.

Citation: Bogan, A.E. (Mollusc Specialist Group) 2000. Epioblasma lewisii. The IUCN Red List of Threatened Species. Version 2014.3. <>. Downloaded on 23 May 2015.
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