Ice Thorn
Carychium exile H. C. Lea, 1842
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Mollusca |
| Class | Gastropoda |
| Order | Basommatophora |
| Family | Carychiidae |
| Genus | Carychium |
| Species | Carychium exile H. C. Lea, 1842 |
Description
Diagnostic characters
- Ecological class
- Troglophile
- Realm
- Terrestrial
Distribution
Range
Known from 13 counties across four states.
Continent
North America
Country
United States
States and provinces
Alabama, Illinois, Kentucky, Tennessee
Counties
- Alabama
- Marshall
- Illinois
- Monroe
- Kentucky
- Barren, Monroe, Pulaski
- Tennessee
- Fentress, Grundy, Jackson, Perry, Putnam, Sequatchie, Van Buren, Warren
Conservation and management
NatureServe
G5 Secure
National ranks
- United States
- N5 Secure
- Canada
- N4 Apparently Secure
Subnational ranks
- Minnesota
- SNR Unranked
- North Dakota
- SNR Unranked
- Maine
- SNR Unranked
- Oklahoma
- SNR Unranked
- New Jersey
- SNR Unranked
- Pennsylvania
- S4 Apparently Secure
- Michigan
- SNR Unranked
- Alabama
- SNR Unranked
- Mississippi
- SNR Unranked
- Ohio
- SNR Unranked
- West Virginia
- S5 Secure
- New York
- SNR Unranked
- Maryland
- SNR Unranked
- Illinois
- SNR Unranked
- Delaware
- SNR Unranked
- Missouri
- SNR Unranked
- Wisconsin
- S5 Secure
- Arkansas
- SNR Unranked
- Georgia
- SNR Unranked
- Kansas
- SNR Unranked
- Iowa
- SNR Unranked
- North Carolina
- S5 Secure
- Vermont
- SNR Unranked
- Louisiana
- SX Presumed Extirpated
- South Carolina
- SNR Unranked
- Tennessee
- SNR Unranked
- Massachusetts
- SNR Unranked
- South Dakota
- SNR Unranked
- Virginia
- S4 Apparently Secure
- Indiana
- S5 Secure
- Kentucky
- S3 Vulnerable
- New Brunswick
- SNR Unranked
- Quebec
- SNR Unranked
- Manitoba
- S2 Imperiled
- Nova Scotia
- SU Unrankable
- Ontario
- S4 Apparently Secure
- Prince Edward Island
- SNR Unranked
State and federal status
Not listed under the U.S. Endangered Species Act
References
- Barr, T.C., Jr. & Kuehne, R.A. 1971. Ecological studies in the Mammoth Cave system of Kentucky. II. The Ecosystem. Annales de Speleologie 26: 47–96. doi:10.5038/1827-806X.3.1.10
- Hubricht, L. 1964. Land snails from the caves of Kentucky, Tennessee and Alabama. National Speleological Society Bulletin 26: 33–36.
- Lewis, J.J., Moss, P., Tecic, D. & Nelson, M.E. 2003. A conservation focused inventory of subterranean invertebrates of the southwestern Illinois karst. Journal of Cave and Karst Studies 65: 9–21.
- Lewis, J.J. 2004. Interstate 66 karst faunal study. Environmental Impact Statement. 17 pp.
- Lewis, J.J. 2005. A biological inventory of caves of the Cumberland Plateau. Tennessee Chapter Cave Program, The Nature Conservancy, Nashville, Tennessee, USA. 156 pp.
- Peck, S.B. 1989. The cave fauna of Alabama. Part I. The terrestrial invertebrates (excluding insects). National Speleological Society Bulletin 51: 11–33.
How to cite this account
Carychium exile H. C. Lea, 1842. Cave Biology Data Portal, account SP-1562. https://cavebiology.org/species/carychium-exile/ (accessed 7 September 2026).
Data sources and funding are listed in the Acknowledgments.
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