Skip to content

Cave Biology Data Portal

Subterranean biodiversity of North America and around the globe

  • ExploreExpand
    • Species
    • Taxonomy
    • States and Provinces
    • Karst Regions
    • Caves You Can Visit
  • ResourcesExpand
    • Funding Opportunities
    • Employment Opportunities
    • Meeting and Events
    • Public Notices
    • News and Updates
  • ContributeExpand
    • Report an Observation
    • Add a Photograph or Image
    • Post an Event
    • Post an Opportunity
    • Add a Reference
    • Add a New Species
    • Report a Correction
  • AboutExpand
    • Acknowledgments
    • Data Sensitivity Policy
    • Citation and Licensing
  • ContactExpand
    • Data Requests
Cave Biology Data Portal
Subterranean biodiversity of North America and around the globe
AnimaliaArthropodaCrustaceaMalacostracaAmphipodaCrangonyctidaeStygobromus

Onondaga Cave Amphipod
Stygobromus onondagaensis (Hubricht & Mackin, 1940)

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Amphipoda
Family Crangonyctidae
Genus Stygobromus
Species Stygobromus onondagaensis (Hubricht & Mackin, 1940)

Synonyms

Crangonyx onondagaensis Hubricht & Mackin, 1940

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic

Distribution

Range

Known from four states across two karst regions.

Continent

North America

Country

United States

States and provinces

Arkansas, Kansas, Missouri, Oklahoma

Counties

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

Karst regions

Other, Ozarks

Specimens

Type material

Syntype
USNM 77800 · National Museum of Natural History, Smithsonian Institution

Collections holding material

InstitutionLots
National Museum of Natural History, Smithsonian Institution 58
Field Museum of Natural History 2
Royal Ontario Museum 1

61 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 61 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

Arkansas
S1 Critically Imperiled
Kansas
SNR Unranked
Missouri
S3 Vulnerable
Oklahoma
S2 Imperiled

State and federal status

Not listed under the U.S. Endangered Species Act

Other resources

Catalogue of Life
538NM
GBIF
2217835
ITIS
93868
iNaturalist
113358

How to cite this account

Stygobromus onondagaensis (Hubricht & Mackin, 1940). Cave Biology Data Portal, account SP-1067. https://cavebiology.org/species/stygobromus-onondagaensis/ (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.

Explore

  • Browse
  • Taxonomy

Resources

  • Funding
  • Employment
  • Contribute

About this site

  • About Us
  • Acknowledgments
  • Contact Us
  • Data Sensitivity Policy
  • Citation and Licensing
  • Accessibility Statement
  • Privacy Policy
  • Cookies Policy
  • Terms and Conditions
  • Explore
    • Species
    • Taxonomy
    • States and Provinces
    • Karst Regions
    • Caves You Can Visit
  • Resources
    • Funding Opportunities
    • Employment Opportunities
    • Meeting and Events
    • Public Notices
    • News and Updates
  • Contribute
    • Report an Observation
    • Add a Photograph or Image
    • Post an Event
    • Post an Opportunity
    • Add a Reference
    • Add a New Species
    • Report a Correction
  • About
    • Acknowledgments
    • Data Sensitivity Policy
    • Citation and Licensing
  • Contact
    • Data Requests