Gammarus limnaeus S.I. Smith, 1874

Taxonomy

Kingdom	Animalia
Phylum	Arthropoda
Subphylum	Crustacea
Class	Malacostraca
Order	Amphipoda
Family	Gammaridae
Genus	Gammarus
Species	Gammarus limnaeus S.I. Smith, 1874

Description

Diagnostic characters

Ecological class: Stygophile
Realm: Aquatic

Distribution

Range

Known from seven counties across two states.

Continent

North America

Country

United States

States and provinces

Illinois, Missouri

Counties

Illinois: Union
Missouri: Boone, Osage, Pike, Ralls, St. Francois, St. Genevieve

Conservation and management

NatureServe

GNR Unranked

National ranks

United States: NNR

Subnational ranks

Wyoming: SNR Unranked

Ranks looked up 2 July 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.

References

Hubricht, L. 1943. Studies in the Nearctic freshwater amphipods, III. Notes on the freshwater Amphipoda of eastern United States, with descriptions of ten new species. The American Midland Naturalist 29: 683–712. doi:10.2307/2421157

This account was last revised 6 September 2026. Conservation ranks were looked up 2 July 2026.

How to cite this account

Gammarus limnaeus S.I. Smith, 1874. Cave Biology Data Portal, account SP-1726. https://cavebiology.org/species/gammarus-limnaeus/ (accessed 22 October 2026).

Data sources and funding are listed in the Acknowledgments.

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