Lee County Cave Isopod
Lirceus usdagalun Holsinger & Bowman, 1973
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Isopoda |
| Family | Asellidae |
| Genus | Lirceus |
| Species | Lirceus usdagalun Holsinger & Bowman, 1973 |
Synonyms
- Lirceus uzgdagalum Holsinger & Bowman, 1973 (subjective synonym, GBIF)
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
Distribution
Type locality
Gallohan No. 1 Cave, Lee Co. VA
Range
Known from one county in Virginia in the Appalachians karst region.
Continent
North America
Country
United States
States and provinces
Virginia
Counties
- Virginia
- Lee
Karst regions
Appalachians
Genetics
Molecular resources
| Marker | Molecule | Sequences | Length | Exemplar |
|---|---|---|---|---|
| 28S | nuclear | 6 | 392-759 bp | OP757994.1 |
| COI | mitochondrial | 3 | 666-796 bp | OP817008.1 |
| other | unknown | 2 | 616-620 bp | OP763178.1 |
11 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.
Download all 11 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.
Specimens
Type material
- Holotype
- USNM 143680 · National Museum of Natural History, Smithsonian Institution
- Paratype ×5
- National Museum of Natural History, Smithsonian Institution
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 14 |
14 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 14 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
IUCN Red List
EN Endangered B1+2c
Assessed in 1996.
NatureServe
G1 Critically Imperiled
Global rank last reviewed 1 April 2021.
Subnational ranks
- Virginia
- S1 Critically Imperiled
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
Endangered under the U.S. Endangered Species Act, listed in 1992.
Federal: Endangered
Other resources
References
- Kenk, R. 1977a. Freshwater tricads (Turbellaria) of North America, IX: The genus Sphalloplana. Smithsonian Contributions to Zoology 246: 1–38. https://repository.si.edu/bitstreams/d38e70a7-fb46–474c-9ea0-f202898980ba/download. details
- Lewis, S.L., Lewis, J.J. & Orndorff, W. 2021. Caecidotea burkensis, new species, a unique subterranean isopod from Burke’s Garden, with a synthesis of the biogeography and evolution of southwestern Virginia asellids. Journal of Cave and Karst Studies 83: 78–87. doi:10.4311/2020LSC0126
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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