File Thorn
Carychium nannodes G. H. Clapp, 1905

Taxonomy

Description

Diagnostic characters

Ecological class

Trogloxene

Realm

Terrestrial

Distribution

Range

Known from four counties across two states.

Continent

North America

Country

United States

States and provinces

Illinois, Tennessee

Counties

Illinois

Monroe

Tennessee

Blount, Fentress, Van Buren

Conservation and management

NatureServe

G5 Secure

National ranks

Canada

N2 Imperiled

United States

N5 Secure

Subnational ranks

Ontario

S2 Imperiled

Georgia

SNR Unranked

Indiana

SNR Unranked

Alabama

SNR Unranked

Michigan

SNR Unranked

Maryland

SNR Unranked

New York

SNR Unranked

Kentucky

S3 Vulnerable

North Carolina

S3 Vulnerable

Tennessee

S4 Apparently Secure

Virginia

S4 Apparently Secure

Ohio

SNR Unranked

Mississippi

SNR Unranked

West Virginia

S3 Vulnerable

Pennsylvania

S1 Critically Imperiled

State and federal status

Not listed under the U.S. Endangered Species Act

References

• 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. 2005. A biological inventory of caves of the Cumberland Plateau. Tennessee Chapter Cave Program, The Nature Conservancy, Nashville, Tennessee, USA. 156 pp.
• Reeves, W.K. 2000. Invertebrate cavernicoles of the Great Smoky Mountains National Park, USA. Journal of the Elisha Mitchell Scientific Society 116: 334–343. https://www.jstor.org/stable/24335885.

How to cite this account

Data sources and funding are listed in the Acknowledgments.

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