Hay's Spring Amphipod
Stygobromus hayi (Hubricht & Mackin, 1940)
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Amphipoda |
| Family | Crangonyctidae |
| Genus | Stygobromus |
| Species | Stygobromus hayi (Hubricht & Mackin, 1940) |
Synonyms
Stygonectes hayi (Hubricht & Mackin, 1940)
Synpleonia hayi Hubricht & Mackin, 1940
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
Distribution
Range
Known from District of Columbia in the Other karst region.
Continent
North America
Country
United States
States and provinces
District of Columbia
Counties
County-level records have not been compiled for this taxon. Distribution is recorded at state and karst-region level.
Karst regions
Other
Genetics
Molecular resources
| Marker | Molecule | Sequences | Length | Exemplar |
|---|---|---|---|---|
| 28S | nuclear | 4 | 425-834 bp | OR530144.1 |
| COI | mitochondrial | 3 | 535-535 bp | OR506966.1 |
| 18S | nuclear | 2 | 610-610 bp | OR530127.1 |
| H3 | nuclear | 2 | 329-329 bp | OR506359.1 |
11 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.
Download all 11 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.
Specimens
Type material
- Syntype ×3
- National Museum of Natural History, Smithsonian Institution
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 10 |
| Field Museum of Natural History | 1 |
11 cataloged lots in 2 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 11 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
IUCN Red List
EN Endangered B1+2c
Assessed in 1996.
NatureServe
G1G2 Critically Imperiled to Imperiled
Global rank last reviewed 21 August 2002.
Subnational ranks
- District of Columbia
- S1 Critically Imperiled
State and federal status
Endangered under the U.S. Endangered Species Act listed 1982
Federal: Endangered
Other resources
How to cite this account
Data sources and funding are listed in the Acknowledgments.
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