Two-toothed Cave Isopod
Caecidotea bicrenata (Steeves, 1963)
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Isopoda |
| Family | Asellidae |
| Genus | Caecidotea |
| Species | Caecidotea bicrenata (Steeves, 1963) |
Synonyms
Asellus bicrenata Steeves, 1963
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
Distribution
Type locality
Guffey Cave, Marshall Co, AL
Range
Known from four states across two karst regions.
Continent
North America
Country
United States
States and provinces
Alabama, Illinois, Kentucky, Tennessee
Counties
County-level records have not been compiled for this taxon. Distribution is recorded at state and karst-region level.
Karst regions
Interior Low Plateau, Ozarks
Genetics
Molecular resources
| Marker | Molecule | Sequences | Length | Exemplar |
|---|---|---|---|---|
| 28S | nuclear | 13 | 399-763 bp | PV033501.1 |
| COI | mitochondrial | 11 | 496-694 bp | PV022129.1 |
| other | unknown | 4 | 616-733 bp | OR341827.1 |
28 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.
Download all 28 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.
Specimens
Type material
- Holotype
- USNM 172775 · National Museum of Natural History, Smithsonian Institution
- Holotype
- USNM 172791 · National Museum of Natural History, Smithsonian Institution
- Holotype
- USNM 107793 · National Museum of Natural History, Smithsonian Institution
- Allotype
- USNM 107794 · National Museum of Natural History, Smithsonian Institution
- Paratype ×11
- National Museum of Natural History, Smithsonian Institution
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 65 |
| Auburn University Museum of Natural History | 1 |
66 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 66 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
NatureServe
G5 Secure
Global rank last reviewed 21 August 2002.
Subnational ranks
- Alabama
- SNR Unranked
- Illinois
- SNR Unranked
- Kentucky
- SNR Unranked
State and federal status
Not listed under the U.S. Endangered Species Act
Other resources
How to cite this account
Data sources and funding are listed in the Acknowledgments.
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