Amerigoniscus nicholasi (Vandel, 1965)
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Isopoda |
| Family | Trichoniscidae |
| Genus | Amerigoniscus |
| Species | Amerigoniscus nicholasi (Vandel, 1965) |
Synonyms
- Caucasonethes paynei Muchmore, 1970 (subjective synonym, CoL)
- Amerigoniscus paynei (Muchmore, 1970) (subjective synonym, CoL)
- Caucasonethes nicholasi Vandel, 1965 (prior combination, CoL)
Description
Diagnostic characters
- Ecological class
- Troglobiont
- Realm
- Terrestrial
- Troglomorphy
- Troglomorphic
Distribution
Type locality
Columbia Caverns, Dickson Co. TN
Range
Known from eight counties across two states across two karst regions.
Continent
North America
Country
United States
States and provinces
Georgia, Tennessee
Counties
- Georgia
- Walker
- Tennessee
- Anderson, Dickson, Hancock, Knox, Loudon, Roane, Union
Karst regions
Appalachians, Interior Low Plateau
Specimens
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 4 |
4 cataloged lots in 1 collection. Compiled from GBIF and not an exhaustive census: many collections are not yet digitised, and holdings are added continually. Search GBIF for specimen records.
Download all 4 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
NatureServe
G1G2 Critically Imperiled to Imperiled
Global rank last reviewed 21 August 2002.
Subnational ranks
- Tennessee
- S1S2 Critically Imperiled to Imperiled
Ranks looked up 23 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.
Other resources
References
- Muchmore, W.B. 1970. A new troglobitic trichoniscid isopod of the genus Caucasonethes. Journal of the Tennessee Academy of Science 45: 27–28. https://tennacadsci.org/~tasc/docs/JTAS45–1-27.pdf. details
- Niemiller, M.L. & Zigler, K.S. 2013. Patterns of cave biodiversity and endemism in the Appalachians and Interior Plateau of Tennessee, USA. PLOS One 8: e64177. doi:10.1371/journal.pone.0064177
- Vandel, A. 1965. Les Trichoniscidae cavernicoles (Isopoda Terrestria; Crustacea) de l'Amérique du Nord. Annales de Speleologie 20: 347–389.
This account was last revised 28 August 2026. Conservation ranks were looked up 23 August 2026.
How to cite this account
Data sources and funding are listed in the Acknowledgments.
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