Epioblasma lenior

– Extinct

Taxonomy

Kingdom:

ANIMALIA

Phylum:

MOLLUSCA

Class:

BIVALVIA

Order:

UNIONOIDA

Family:

UNIONIDAE

Scientific Name:

Epioblasma lenior

Species Authority:

(I. Lea, 1842)

Synonym/s:

Dysnomia lenior I. Lea, 1842

Common Name/s:

English

—

NARROW CATSPAW, STONE'S PEARLY MUSSEL

Taxonomic Notes:

Was listed in the 1996 IUCN Red List under the name Dysnomia lenior.

Red List Category & Criteria:

EX ver 2.3 (1994)

Year Assessed:

2000

Assessor/s:

Bogan, A.E. (Mollusc Specialist Group)

Evaluator/s:

Seddon. M.B. & Bogan, A.E. (Mollusc Red List Authority)

Justification:

Bogan suggests possibly extinct since 1965. Only recorded from one site in the last 70 years.

History:

1983	-	Extinct as Dysnomia lenior (Wells et al. 1983)
1986	-	Extinct as Dysnomia lenior (IUCN Conservation Monitoring Centre 1986)
1988	-	Extinct (IUCN Conservation Monitoring Centre 1988)
1990	-	Extinct (IUCN 1990)
1994	-	Extinct (Groombridge 1994)
1996	-	Extinct (Baillie and Groombridge 1996)
1996	-	Critically Endangered (Baillie and Groombridge 1996)

Range Description:	Cumberland and Tennessee River systems.
Countries:	Introduced (regionally extinct): United States (Alabama - regionally extinct, Tennessee - regionally extinct)

Habitat and Ecology:	Small to medium rivers, in gravel and sand in clear fast flowing water.
System:	Freshwater

Threats:

Extinction due to habitat destruction and deterioration.

Citation:	Bogan, A.E. 2000. Epioblasma lenior. In: IUCN 2007. 2007 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 28 August 2008.
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