Morrison's Cave Amphipod
Stygobromus morrisoni (Holsinger, 1967)
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Amphipoda |
| Family | Crangonyctidae |
| Genus | Stygobromus |
| Species | Stygobromus morrisoni (Holsinger, 1967) |
Synonyms
- Stygonectes morrisoni Holsinger, 1967 (prior combination, CoL)
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
Distribution
Type locality
Witheros Cave, Bath Co. VA
Range
Known from four counties across two states in the Appalachians karst region.
Continent
North America
Country
United States
States and provinces
Virginia, West Virginia
Counties
- Virginia
- Bath, Highland
- West Virginia
- Hardy, Pendleton
Karst regions
Appalachians
Genetics
Molecular resources
| Marker | Molecule | Sequences | Length | Exemplar |
|---|---|---|---|---|
| COI | mitochondrial | 1 | 535-535 bp | KY748269.1 |
1 sequence, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.
Download all 1 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.
Specimens
Type material
- Holotype
- USNM 141744 · National Museum of Natural History, Smithsonian Institution
- Allotype
- USNM 141745 · National Museum of Natural History, Smithsonian Institution
- Paratype ×3
- National Museum of Natural History, Smithsonian Institution
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 12 |
12 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 12 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
G1G2 Critically Imperiled to Imperiled
Global rank last reviewed 18 April 2024.
Subnational ranks
- Virginia
- S1S2 Critically Imperiled to Imperiled
- West Virginia
- S1 Critically 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
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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