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Cave Biology Data Portal
Subterranean biodiversity of North America and around the globe
AnimaliaArthropodaCrustaceaMalacostracaAmphipodaCrangonyctidaeStygobromus

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)
Synpleonia emarginata Hubricht, 1943

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic

Distribution

Type locality

Organ Cave, Greenbrier Co. WV

Range

Known from two states in the Appalachians karst region.

Continent

North America

Country

United States

States and provinces

Maryland, West Virginia

Counties

County-level records have not been compiled for this taxon. Distribution is recorded at state and karst-region level.

Karst regions

Appalachians

Genetics

Molecular resources

MarkerMoleculeSequences LengthExemplar
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

InstitutionLots
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

EXEWCRENVU▲NTLC

Assessed in 1996.

NatureServe

G3 Vulnerable

G1G2G3▲G4G5

Global rank last reviewed 22 January 2009.

Subnational ranks

Maryland
S1 Critically Imperiled
West Virginia
S3 Vulnerable

State and federal status

Not listed under the U.S. Endangered Species Act

Other resources

Catalogue of Life
538LF
GBIF
2217915
ITIS
93897
iNaturalist
113341
NCBI Taxonomy
2027537

How to cite this account

Stygobromus emarginatus Hubricht, 1943. Cave Biology Data Portal, account SP-1008. https://cavebiology.org/species/stygobromus-emarginatus/ (accessed 3 September 2026).

Data sources and funding are listed in the Acknowledgments.

Spotted something wrong on this page? Report a correction. Accounts are compiled from many sources and corrections from people who know the group are the most useful email we get.

Cave Biology Data Portal

Species accounts, distributions, and conservation status for the subterranean fauna of North America and around the globe, with resources for the cave and karst research community.

Text and data CC BY 4.0. Images all rights reserved unless stated.

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