Benton County Cave Crayfish
Cambarus aculabrum Hobbs & Brown, 1987
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Decapoda |
| Family | Cambaridae |
| Genus | Cambarus |
| Species | Cambarus aculabrum Hobbs & Brown, 1987 |
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
- Maximum body length
- 48 mm
Distribution
Type locality
Logan Cave, Benton Co., AR
Range
Known from two states in the Ozarks karst region.
Continent
North America
Country
United States
States and provinces
Arkansas, Missouri
Counties
County-level records have not been compiled for this taxon. Distribution is recorded at state and karst-region level.
Karst regions
Ozarks
Genetics
Molecular resources
| Marker | Molecule | Sequences | Length | Exemplar |
|---|---|---|---|---|
| 12S | mitochondrial | 1 | 301-301 bp | JX514603.1 |
| 16S | mitochondrial | 1 | 440-440 bp | JX514529.1 |
| 28S | nuclear | 1 | 783-783 bp | JX514668.1 |
| COI | mitochondrial | 1 | 654-654 bp | JX514482.1 |
4 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.
Download all 4 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.
Specimens
Type material
- Holotype
- USNM 219149 · National Museum of Natural History, Smithsonian Institution
- Allotype
- USNM 219150 · National Museum of Natural History, Smithsonian Institution
- Paratype ×9
- National Museum of Natural History, Smithsonian Institution
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 11 |
11 cataloged lots in 1 collection. 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 11 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
IUCN Red List
CR Critically Endangered B2ab(iii)
Assessed in 2010.
NatureServe
G1 Critically Imperiled
Global rank last reviewed 2 May 2019.
Subnational ranks
- Arkansas
- S1 Critically Imperiled
- Missouri
- SNR Unranked
State and federal status
Endangered under the U.S. Endangered Species Act listed 1993
Federal: Endangered
Threats
- Urbanization - Residential
- Urbanization - Comm. & Industrial
- Agriculture - Livestock
- Overcollection - Amateur
- Recreational/Commerical Cave Activities
- Pollution -Sewage or Urban Wastewater
- Pollution - Commercial/Industrial
- Pollution - Agricultural & Forestry
Other resources
How to cite this account
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.