Northern Spring Amphipod
Gammarus pseudolimnaeus Bousfield, 1958
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Amphipoda |
| Family | Gammaridae |
| Genus | Gammarus |
| Species | Gammarus pseudolimnaeus Bousfield, 1958 |
Description
Diagnostic characters
- Ecological class
- Stygophile
- Realm
- Aquatic
Distribution
Range
Known from 21 counties across two states.
Continent
North America
Country
United States
States and provinces
Iowa, Illinois
Counties
- Iowa
- Clayton, Fayette, Jackson, Winneshiek
- Illinois
- Adams, Brown, Calhoun, Carroll, Gallatin, Greene, Hardin, Jackson, Jersey, Johnson, La Salle, LaSalle, Monroe, Pope, Randolph, St. Clair, Union
Conservation and management
NatureServe
G5 Secure
National ranks
- United States
- NNR
Subnational ranks
- Massachusetts
- S1 Critically Imperiled
- Arkansas
- S2 Imperiled
- Indiana
- SNR Unranked
- Illinois
- SNR Unranked
- Virginia
- S3 Vulnerable
- Oklahoma
- S1 Critically Imperiled
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
- Lewis, J.J. & Bowman, T.E. 1981. The subterranean asellids (Caecidotea) of Illinois (Crustacea: Isopoda: Asellidae). Smithsonian Contributions to Zoology 335: 1–66. doi:10.5479/si.00810282.335
- Lewis, J.J., Moss, P., Tecic, D. & Nelson, M.E. 2003. A conservation focused inventory of subterranean invertebrates of the southwestern Illinois karst. Journal of Cave and Karst Studies 65: 9–21.
- McDaniel, V.R. & Smith, K.L. 1976. Cave fauna of Arkansas: selected invertebrate taxa. Journal of the Arkansas Academy of Science 30: 57–60. https://scholarworks.uark.edu/jaas/vol30/iss1/22. details
- Peck, S.B. 1988. A review of the cave fauna of Canada, and the composition and ecology of the invertebrate fauna of caves and mines in Ontario. Canadian Journal of Zoology 66: 1197–1213. doi:10.1139/z88-176
- Peck, S.B. & Christiansen, K. 1990. Evolution and zoogeography of the invertebrate cave faunas of the Driftless Area of the upper Mississippi River Valley of Iowa, Minnesota, Wisconsin, and Illinois, U.S.A. Canadian Journal of Zoology 68: 73–88. doi:10.1139/z90-012
- Peck, S.B. & Lewis, J.J. 1978. Zoogeography and evolution of the subterranean invertebrate faunas of Illinois and southeastern Missouri. National Speleological Society Bulletin 40: 39–63.
- Webb, D.W., Taylor, S.J. & Krejca, J.K. 1993. The biological resources of Illinois caves and other subterranean environments. Illinois Natural History Survey, Champaign, Illinois, USA. 143 pp.
This account was last revised 6 September 2026. Conservation ranks were looked up 2 July 2026.
How to cite this account
Gammarus pseudolimnaeus Bousfield, 1958. Cave Biology Data Portal, account SP-1727. https://cavebiology.org/species/gammarus-pseudolimnaeus/ (accessed 22 October 2026).
Data sources and funding are listed in the Acknowledgments.
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