Indented Duskysnail
Lyogyrus retromargo (F. G. Thompson, 1968)
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Mollusca |
| Class | Gastropoda |
| Order | Littorinimorpha |
| Family | Amnicolidae |
| Genus | Lyogyrus |
| Species | Lyogyrus retromargo (F. G. Thompson, 1968) |
Description
Diagnostic characters
- Ecological class
- Stygophile
- Realm
- Aquatic
Distribution
Range
Known from one county in Florida.
Continent
North America
Country
United States
States and provinces
Florida
Counties
- Florida
- Hamilton
Conservation and management
IUCN Red List
LC Least Concern
Assessed in 2011.
NatureServe
GU Unrankable
National ranks
- United States
- NU
Subnational ranks
- South Carolina
- SU Unrankable
- Florida
- S4 Apparently Secure
- Georgia
- SNR Unranked
Ranks looked up 3 September 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
This account was last revised 6 September 2026. Conservation ranks were looked up 3 September 2026.
How to cite this account
Lyogyrus retromargo (F. G. Thompson, 1968). Cave Biology Data Portal, account SP-2605. https://cavebiology.org/species/lyogyrus-retromargo/ (accessed 22 October 2026).
Data sources and funding are listed in the Acknowledgments.
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