Epioblasma haysiana

Threats

Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	MOLLUSCA	BIVALVIA	UNIONOIDA	UNIONIDAE

Scientific Name:

Epioblasma haysiana

Species Authority:

(I. Lea, 1834)

Common Name/s:

English

–

Acorn Pearly Mussel, Acornshell

Synonym/s:

Dysnomia haysiana I. Lea, 1834

Taxonomic Notes:

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

Red List Category & Criteria:

Extinct ver 2.3

Year Assessed:

2000

Assessor/s:

Bogan, A.E. (Mollusc Specialist Group)

Reviewer/s:

Seddon. M.B. (Mollusc Red List Authority)

Justification:
Possibly became extinct due to pollution in the catchment.

History:

1996	–	Extinct
1996	–	Critically Endangered (Baillie and Groombridge 1996)
1994	–	Extinct (Groombridge 1994)
1990	–	Endangered (IUCN 1990)
1988	–	Endangered (IUCN Conservation Monitoring Centre 1988)
1986	–	Endangered (IUCN Conservation Monitoring Centre 1986)
1983	–	Endangered

Range Description:	Cumberland and Tennessee River systems.
Countries:	Regionally extinct: United States (Alabama, Kentucky, Tennessee, Virginia)

Population:	Only known from one small stretch of river in the 1970s.

Population:

Only known from one small stretch of river in the 1970s.

Habitat and Ecology:	Medium to large rivers, amongst riffle-beds in gravel and sand.
Systems:	Freshwater

Major Threat(s):	Last subpopulation killed off by domestic sewage influxes.

Major Threat(s):

Last subpopulation killed off by domestic sewage influxes.

Citation:	Bogan, A.E. 2000. Epioblasma haysiana. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 09 February 2012.
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