Salem Cave Isopod
Caecidotea salemensis Lewis, 1981
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Isopoda |
| Family | Asellidae |
| Genus | Caecidotea |
| Species | Caecidotea salemensis Lewis, 1981 |
Synonyms
- Caecidotea salamensis Lewis, 1981 (subjective synonym, GBIF)
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
- Maximum length
- 16 mm
Distribution
Type locality
Deep cistern, Imboden, Lawrence Co., AR
Range
Known from 13 counties across two states in the Ozarks karst region.
Continent
North America
Country
United States
States and provinces
Arkansas, Missouri
Counties
- Arkansas
- Lawrence
- Missouri
- Boone, Carter, Crawford, Dallas, Douglas, Franklin, Hickory, Phelps, Pulaski, Shannon, Texas, Washington
Karst regions
Ozarks
Genetics
Molecular resources
| Marker | Molecule | Sequences | Length | Exemplar |
|---|---|---|---|---|
| 28S | nuclear | 2 | 475-746 bp | OR505701.1 |
| COI | mitochondrial | 1 | 877-877 bp | OR341291.1 |
| other | unknown | 1 | 675-675 bp | OR341867.1 |
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 59263 · National Museum of Natural History, Smithsonian Institution
- Paratype
- USNM 181300 · National Museum of Natural History, Smithsonian Institution
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 33 |
33 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 33 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
NatureServe
G4 Apparently Secure
Global rank last reviewed 21 August 2002.
Subnational ranks
- Arkansas
- S1 Critically Imperiled
- Missouri
- S2 Imperiled
Ranks looked up 2 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
This account was last revised 28 August 2026. Conservation ranks were looked up 2 August 2026.
How to cite this account
Data sources and funding are listed in the Acknowledgments.
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