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Athearnia crassa

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA MOLLUSCA GASTROPODA SORBEOCONCHA PLEUROCERIDAE

Scientific Name: Athearnia crassa
Species Authority: (Haldeman, 1841)
Common Name(s):
English Boulder Snail
Synonym(s):
Leptoxis crassa (Haldeman, 1841)
Taxonomic Notes: Athearnia crassa was formerly placed as a subspecies of Leptoxis (= Athearnia) crassa (see Dillon and Ahlstedt 1997). Athearnia crassa crassa and Athearnia crassa anthonyi are distinct from one another and Athearnia anthonyi and Athearnia crassa are now recognized as distinct species (see Dillon and Ahlstedt 1997; Minton and Savarese 2005).

Appeared in IUCN Red Lists from 1996 to 2006 under the incorrectly spelt name Leptoxis crassa. Was also incorrectly listed as Vulnerable.

Assessment Information [top]

Red List Category & Criteria: Extinct ver 2.3
Year Published: 1996
Date Assessed: 1996-08-01
Annotations:
Needs updating
Assessor(s): Mollusc Specialist Group
History:
1994 Indeterminate (Groombridge 1994)
1990 Indeterminate (IUCN 1990)
1988 Indeterminate (IUCN Conservation Monitoring Centre 1988)

Geographic Range [top]

Countries:
Regionally extinct:
United States (Alabama, Georgia, Tennessee, Virginia)
Range Map: Click here to open the map viewer and explore range.

Habitat and Ecology [top]

Systems: Freshwater

Citation: Mollusc Specialist Group 1996. Athearnia crassa. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 02 September 2014.
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