White-Lip Globe
Mesodon thyroidus (Say, 1817)
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Mollusca |
| Class | Gastropoda |
| Order | Stylommatophora |
| Family | Polygyridae |
| Genus | Mesodon |
| Species | Mesodon thyroidus (Say, 1817) |
Description
Diagnostic characters
- Ecological class
- Trogloxene
- Realm
- Terrestrial
Distribution
Range
Known from two counties across two states.
Continent
North America
Country
United States
States and provinces
Florida, Tennessee
Counties
- Florida
- Jackson
- Tennessee
- Overton
Conservation and management
NatureServe
G5 Secure
National ranks
- United States
- N5 Secure
- Canada
- N3 Vulnerable
Subnational ranks
- Vermont
- SNR Unranked
- Maine
- SNR Unranked
- Texas
- S4 Apparently Secure
- Virginia
- S5 Secure
- Oklahoma
- SNR Unranked
- Illinois
- SNR Unranked
- Connecticut
- SNR Unranked
- Missouri
- SNR Unranked
- North Carolina
- S5 Secure
- New York
- SNR Unranked
- Kentucky
- S5 Secure
- Georgia
- SNR Unranked
- Arkansas
- SNR Unranked
- Delaware
- SNR Unranked
- Pennsylvania
- S4 Apparently Secure
- Michigan
- SNR Unranked
- Mississippi
- SNR Unranked
- Indiana
- SNR Unranked
- New Jersey
- SNR Unranked
- Ohio
- SNR Unranked
- Florida
- SNR Unranked
- Nebraska
- SNR Unranked
- Wisconsin
- S5 Secure
- Alabama
- SNR Unranked
- West Virginia
- S5 Secure
- Kansas
- SNR Unranked
- Maryland
- SNR Unranked
- South Carolina
- SNR Unranked
- Iowa
- SNR Unranked
- Minnesota
- SNR Unranked
- District of Columbia
- SNR Unranked
- Louisiana
- SNR Unranked
- Tennessee
- S5 Secure
- Ontario
- S3 Vulnerable
- Quebec
- SNR Unranked
Ranks looked up 2 August 2026. Conservation status changes, and a rank here is as current as that date and no more.
State and federal status
Not listed under the U.S. Endangered Species Act.
References
- Franz, R., Bauer, J. & Morris, T. 1994. Review of biologically significant caves and their faunas in Florida and south Georgia. Brimleyana 20: 1–109. https://www.biodiversitylibrary.org/part/229726. details
- Lewis, J.J. 2005a. A biological inventory of caves of the Cumberland Plateau. Tennessee Chapter Cave Program, The Nature Conservancy, Nashville, Tennessee, USA. 156 pp.
This account was last revised 6 September 2026. Conservation ranks were looked up 2 August 2026.
How to cite this account
Mesodon thyroidus (Say, 1817). Cave Biology Data Portal, account SP-2638. https://cavebiology.org/species/mesodon-thyroidus/ (accessed 22 October 2026).
Data sources and funding are listed in the Acknowledgments.
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