Norton's Cave Amphipod
Stygobromus nortoni (Holsinger, 1969)
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Amphipoda |
| Family | Crangonyctidae |
| Genus | Stygobromus |
| Species | Stygobromus nortoni (Holsinger, 1969) |
Synonyms
- Apocrangonyx nortoni Holsinger, 1969 (prior combination, CoL)
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
Distribution
Type locality
Ingram Cave, Clay Co. TN
Range
Known from two counties in Tennessee in the Interior Low Plateau karst region.
Continent
North America
Country
United States
States and provinces
Tennessee
Counties
- Tennessee
- Clay, Hamilton
Karst regions
Interior Low Plateau
Specimens
Type material
- Holotype
- USNM 122213 · National Museum of Natural History, Smithsonian Institution
- Allotype
- USNM 122214 · National Museum of Natural History, Smithsonian Institution
- Paratype
- USNM 1530933 · National Museum of Natural History, Smithsonian Institution
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
IUCN Red List
VU Vulnerable D2
Assessed in 1996.
NatureServe
G2G3 Imperiled to Vulnerable
Global rank last reviewed 21 August 2002.
Subnational ranks
- Tennessee
- SH Possibly Extirpated
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
- Hobbs, III., H.H. 1994. Assessment of the ecological resources of the caves of Russell Cave National Monument, Jackson County, Alabama and of selected caves at the Lookout Mountain Unit of Chickamauga-Chattanooga National Military Park, Dade County, Georgia and Hamilton County, Tennessee. 200 pp.
- 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
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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