The IUCN Red List of Threatened Species™
ISSN 2307-8235 (online)
IUCN 2008: T9601A13004241
Gyrotoma pyramidata, Pyramid Slitshell
Assessment by: Bogan, A.E. (Mollusc Specialist Group)
View on www.iucnredlist.org
Citation: Bogan, A.E. (Mollusc Specialist Group). 2000. Gyrotoma pyramidata. The IUCN Red List of
Threatened Species 2000: e.T9601A13004241.
http://dx.doi.org/10.2305/IUCN.UK.2000.RLTS.T9601A13004241.en
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THE IUCN RED LIST OF THREATENED SPECIES™
Taxonomy
Kingdom
Phylum
Class
Order
Family
Animalia
Mollusca
Gastropoda
Sorbeoconcha
Pleuroceridae
Taxon Name: Gyrotoma pyramidata (Shuttleworth, 1845)
Common Name(s):
• English:
Pyramid Slitshell
Taxonomic Source(s):
Johnson, P.D., Bogan, A.E., Brown, K.M., Burkhead, N.M., Cordeiro, J.R., Garner, J.T., Hartfield, P.D.,
Lepitzki, D.A.W., Mackie, G.L., Pip, E., Tarpley, T.A., Tiemann, J.S., Whelan, N.V. and Strong, E.E. 2013.
Conservation Status of Freshwater Gastropods of Canada and the United States. Fisheries 38(6): 247282.
Assessment Information
Red List Category & Criteria:
Extinct ver 2.3
Year Published:
2000
Date Assessed:
June 30, 2000
Annotations:
Needs Updating
Justification:
Listed as Critically Endangered in 1996 (Baillie and Groombridge 1996) due to lack of survey data. Recent
surveys now confirm this species is Extinct.
Previously Published Red List Assessments
1996 – Critically Endangered (CR)
1994 – Extinct (Ex)
Geographic Range
Country Occurrence:
Regionally extinct: United States (Alabama)
© The IUCN Red List of Threatened Species: Gyrotoma pyramidata – published in 2000.
http://dx.doi.org/10.2305/IUCN.UK.2000.RLTS.T9601A13004241.en
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Habitat and Ecology
Systems: Freshwater
Credits
Assessor(s):
Bogan, A.E. (Mollusc Specialist Group)
Reviewer(s):
Thompson, F.G. & Seddon, M.B. (Mollusc Red List Authority)
© The IUCN Red List of Threatened Species: Gyrotoma pyramidata – published in 2000.
http://dx.doi.org/10.2305/IUCN.UK.2000.RLTS.T9601A13004241.en
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Bibliography
Baillie, J. and Groombridge, B. (eds). 1996. 1996 IUCN Red List of Threatened Animals. pp. 378.
International Union for Conservation of Nature, Gland, Switzerland and Cambridge, UK.
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
Bogan, A.E. (Mollusc Specialist Group). 2000. Gyrotoma pyramidata. The IUCN Red List of Threatened
Species 2000: e.T9601A13004241. http://dx.doi.org/10.2305/IUCN.UK.2000.RLTS.T9601A13004241.en
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External Resources
For Images and External Links to Additional Information, please see the Red List website.
© The IUCN Red List of Threatened Species: Gyrotoma pyramidata – published in 2000.
http://dx.doi.org/10.2305/IUCN.UK.2000.RLTS.T9601A13004241.en
3
The IUCN Red List Partnership
The IUCN Red List of Threatened Species™ is produced and managed by the IUCN Global Species
Programme, the IUCN Species Survival Commission (SSC) and The IUCN Red List Partnership. The IUCN
Red List Partners are: BirdLife International; Botanic Gardens Conservation International; Conservation
International; Microsoft; NatureServe; Royal Botanic Gardens, Kew; Sapienza University of Rome; Texas
A&M University; Wildscreen; and Zoological Society of London.
THE IUCN RED LIST OF THREATENED SPECIES™