Graham's Cave Amphipod
Stygobromus grahami Holsinger, 1974
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Amphipoda |
| Family | Crangonyctidae |
| Genus | Stygobromus |
| Species | Stygobromus grahami Holsinger, 1974 |
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
Distribution
Range
Known from three counties in California across two karst regions.
Continent
North America
Country
United States
States and provinces
California
Counties
- California
- Amador, Calaveras, El Dorado
Karst regions
Mother Lode, Other
Specimens
Type material
- Holotype
- USNM 142781 · National Museum of Natural History, Smithsonian Institution
- Paratype ×7
- National Museum of Natural History, Smithsonian Institution
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 15 |
15 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 15 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
NatureServe
G2 Imperiled
Global rank last reviewed 15 April 2024.
Subnational ranks
- California
- S2 Imperiled
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.
Other resources
This account was last revised 28 August 2026. Conservation ranks were looked up 2 August 2026.
How to cite this account
Data sources and funding are listed in the Acknowledgments.
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