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

Alabama cave amphipod
Stygobromus alabamensis (Stout, 1911)

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Amphipoda
Family Crangonyctidae
Genus Stygobromus
Species Stygobromus alabamensis (Stout, 1911)

Synonyms

Stygonectes alabamensis (Stout, 1911)
Boruta americana Mackin, 1935
Stygonectes americanus (Mackin, 1935)
Synpleonia americana (Mackin, 1935)

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic

Distribution

Type locality

well, 1 mi E post office, Auburn, Lee Co. AL

Range

Known from eight states across four karst regions.

Continent

North America

Country

United States

States and provinces

Alabama, Arkansas, Kansas, Louisiana, Missouri, Oklahoma, Tennessee, Texas

Counties

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

Karst regions

Edwards Plateau and Balcones, Interior Low Plateau, Other, Ozarks

Specimens

Type material

Holotype
USNM 141714 · National Museum of Natural History, Smithsonian Institution
Allotype
USNM 141715 · National Museum of Natural History, Smithsonian Institution
Paratype ×3
National Museum of Natural History, Smithsonian Institution

Collections holding material

InstitutionLots
National Museum of Natural History, Smithsonian Institution 206
American Museum of Natural History 1

207 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 207 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

NatureServe

G5 Secure

G1G2G3G4G5▲

Global rank last reviewed 21 August 2002.

Subnational ranks

Alabama
SNR Unranked
Arkansas
SNR Unranked
Kansas
SNR Unranked
Louisiana
SNR Unranked
Missouri
SNR Unranked
Oklahoma
S3 Vulnerable
Tennessee
S4 Apparently Secure
Texas
S1 Critically Imperiled
Mississippi
SNR Unranked

State and federal status

Not listed under the U.S. Endangered Species Act

Other resources

Catalogue of Life
538K4
GBIF
2217789
ITIS
93871
iNaturalist
231842

How to cite this account

Stygobromus alabamensis (Stout, 1911). Cave Biology Data Portal, account SP-0972. https://cavebiology.org/species/stygobromus-alabamensis/ (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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