Clappia cahabensis

Taxonomy

Assessment Information

Geographic Range

Habitat and Ecology

Bibliography

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	MOLLUSCA	GASTROPODA	LITTORINIMORPHA	HYDROBIIDAE

Scientific Name:

Clappia cahabensis

Species Authority:

Clench, 1965

Common Name/s:

English

–

Cahaba Pebblesnail

Assessment Information [top]

Red List Category & Criteria:

Extinct ver 2.3

Year Assessed:

2000

Assessor/s:

Mollusc Specialist Group

Reviewer/s:

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

Justification:
Lack of survey information led this species to being listed as Critically Endangered in 1996. A revision of current information in 2000 concluded that this species was now extinct (probably last seen in 1965). However, in 2005, a news release from The Nature Conservancy indicated that this species had been rediscovered by Stephanie Clark, a postdoctoral student, in the Cahaba River south of Birmingham. The rediscovery requires confirmation before the species can be reassessed, but it is likely to be Critically Endangered if it is still extant.

History:

1996	–	Critically Endangered (Baillie and Groombridge 1996)
1994	–	Indeterminate (Groombridge 1994)

Geographic Range [top]

Countries:	Regionally extinct: United States (Alabama)

Countries:

Regionally extinct:

United States (Alabama)

Habitat and Ecology [top]

Systems:	Freshwater

Systems:

Freshwater

Bibliography [top]

	Baillie, J. and Groombridge, B. 1996. 1996 IUCN Red List of Threatened Animals. International Union for Conservation of Nature, Gland, Switzerland. Groombridge, B. (ed.). 1994. 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK. Hilton-Taylor, C. 2000. 2000 IUCN Red List of Threatened Species. IUCN, Gland, Switzerland and Cambridge, UK. Hilton-Taylor, C. 2000. 2000 IUCN Red List of Threatened Species. IUCN, Gland, Switzerland and Cambridge, UK.

Baillie, J. and Groombridge, B. 1996. 1996 IUCN Red List of Threatened Animals. International Union for Conservation of Nature, Gland, Switzerland.

Groombridge, B. (ed.). 1994. 1994 IUCN Red List of Threatened Animals. IUCN, Gland, Switzerland and Cambridge, UK.

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

Citation:	Mollusc Specialist Group 2000. Clappia cahabensis. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 10 February 2012.
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