Clanton's Cave Amphipod
Stygobromus clantoni (Creaser, 1934)
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Amphipoda |
| Family | Crangonyctidae |
| Genus | Stygobromus |
| Species | Stygobromus clantoni (Creaser, 1934) |
Synonyms
- Stygonectes clantoni (Creaser, 1934) (prior combination, CoL)
- Synpleonia clantoni Creaser, 1934 (prior combination, CoL)
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
Distribution
Range
Known from 15 counties across four states across two karst regions.
Continent
North America
Country
United States
States and provinces
Arkansas, Kansas, Missouri, Oklahoma
Counties
- Arkansas
- Izard, Logan
- Kansas
- Anderson, Bourbon, Butler, Chase, Cowley, Franklin, Miami
- Missouri
- Camden, Cass, Hickory, Jackson, Stone
- Oklahoma
- Mayes
Karst regions
Other, Ozarks
Specimens
Type material
- Holotype
- USNM 98401 · National Museum of Natural History, Smithsonian Institution
- Allotype
- USNM 98402 · National Museum of Natural History, Smithsonian Institution
- Paratype
- USNM 80525 · National Museum of Natural History, Smithsonian Institution
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 29 |
| Field Museum of Natural History | 6 |
35 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 35 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
IUCN Red List
VU Vulnerable D2
Assessed in 1996.
NatureServe
G4 Apparently Secure
Global rank last reviewed 21 August 2002.
Subnational ranks
- Kansas
- S2S3 Imperiled to Vulnerable
- Missouri
- S1S3 Critically Imperiled to Vulnerable
Ranks looked up 23 August 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.
Other resources
References
- Holsinger, J.R. & Lewis, J.J. 2025. Systematics of the subterranean amphipod genus Stygobromus (Crangonyctidae): Species of the Ozarks and adjacent regions. Journal of Cave and Karst Studies 87: 34–81. doi:10.4311/2024LSC0113
- 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
- McDaniel, V.R., Paige, K.N. & Tumlison, C.R. 1979. Cave fauna of Arkansas: additional invertebrate and vertebrate records. Journal of the Arkansas Academy of Science 33: 84–85. https://scholarworks.uark.edu/jaas/vol33/iss1/35. details
- Nicholas, G. 1960. Checklist of macroscopic troglobitic organisms of the United States. The American Midland Naturalist 64: 123–160. doi:10.2307/2422897
This account was last revised 28 August 2026. Conservation ranks were looked up 23 August 2026.
How to cite this account
Data sources and funding are listed in the Acknowledgments.
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