Greenbrier Cave Amphipod
Stygobromus emarginatus Hubricht, 1943
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Amphipoda |
| Family | Crangonyctidae |
| Genus | Stygobromus |
| Species | Stygobromus emarginatus Hubricht, 1943 |
Synonyms
- Stygonectes emarginatus (Hubricht, 1943) (prior combination, CoL)
- Synpleonia emarginata Hubricht, 1943 (subjective synonym, CoL)
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
Distribution
Type locality
Organ Cave, Greenbrier Co. WV
Range
Known from 10 counties across two states in the Appalachians karst region.
Continent
North America
Country
United States
States and provinces
Maryland, West Virginia
Counties
- Maryland
- Garrett
- West Virginia
- Barbour, Greenbriar, Greenbrier, Monongalia, Monroe, Pendleton, Pocahontas, Randolph, Tucker
Karst regions
Appalachians
Genetics
Molecular resources
| Marker | Molecule | Sequences | Length | Exemplar |
|---|---|---|---|---|
| COI | mitochondrial | 2 | 535-535 bp | KY748263.1 |
2 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.
Download all 2 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.
Specimens
Type material
- Syntype
- USNM 79327 · National Museum of Natural History, Smithsonian Institution
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 79 |
| Yale Peabody Museum | 2 |
| Ocean Genome Legacy Center | 1 |
82 cataloged lots in 3 collections. 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 82 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
G3 Vulnerable
Global rank last reviewed 22 January 2009.
Subnational ranks
- Maryland
- S1 Critically Imperiled
- West Virginia
- S3 Vulnerable
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
- Hubricht, L. 1943. Studies in the Nearctic freshwater amphipods, III. Notes on the freshwater Amphipoda of eastern United States, with descriptions of ten new species. The American Midland Naturalist 29: 683–712. doi:10.2307/2421157
- Nicholas, G. 1960. Checklist of macroscopic troglobitic organisms of the United States. The American Midland Naturalist 64: 123–160. doi:10.2307/2422897
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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