Large Male Crangonyctid
Crangonyx anomalus Hubricht, 1943
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Amphipoda |
| Family | Crangonyctidae |
| Genus | Crangonyx |
| Species | Crangonyx anomalus Hubricht, 1943 |
Description
Diagnostic characters
- Ecological class
- Stygophile
- Realm
- Aquatic
Distribution
Range
Known from three counties across three states.
Continent
North America
Country
United States
States and provinces
Illinois, Indiana, Ohio
Counties
- Illinois
- Pope
- Indiana
- Jennings
- Ohio
- Shelby
Conservation and management
NatureServe
G4 Apparently Secure
National ranks
- United States
- N4 Apparently Secure
Subnational ranks
- Ohio
- SNR Unranked
- Illinois
- SU Unrankable
- Kentucky
- S4 Apparently Secure
- Indiana
- S2 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
- 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.
- Zhang, J. & Holsinger, J.R. 2003. Systematics of the freshwater amphipod genus Crangonyx (Crangonyctidae) in North America. Virginia Museum of Natural History Memior 6: 1–274.
This account was last revised 6 September 2026. Conservation ranks were looked up 2 July 2026.
How to cite this account
Crangonyx anomalus Hubricht, 1943. Cave Biology Data Portal, account SP-1613. https://cavebiology.org/species/crangonyx-anomalus/ (accessed 22 October 2026).
Data sources and funding are listed in the Acknowledgments.
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