Thankless ghostsnail
Holsingeria unthanksensis Hershler, 1989
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Mollusca |
| Class | Gastropoda |
| Order | Littorinimorpha |
| Family | Hydrobiidae |
| Genus | Holsingeria |
| Species | Holsingeria unthanksensis Hershler, 1989 |
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
Distribution
Type locality
Unthanks Cave, Lee Co. VA
Range
Known from three counties across two states in the Appalachians karst region.
Continent
North America
Country
United States
States and provinces
Virginia, West Virginia
Counties
- Virginia
- Lee, Warren
- West Virginia
- Jefferson
Karst regions
Appalachians
Genetics
Molecular resources
| Marker | Molecule | Sequences | Length | Exemplar |
|---|---|---|---|---|
| COI | mitochondrial | 1 | 602-602 bp | AF520947.1 |
1 sequence, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.
Download all 1 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.
Specimens
Type material
- Holotype
- USNM 860421 · National Museum of Natural History, Smithsonian Institution
- Paratype
- MO372196 · Academy of Natural Sciences of Drexel University
- Paratype
- 129372-Mollusca · Florida Museum of Natural History
- Paratype
- USNM 860422 · National Museum of Natural History, Smithsonian Institution
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 18 |
| Academy of Natural Sciences of Drexel University | 1 |
| Florida Museum of Natural History | 1 |
20 cataloged lots in 3 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 20 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
NatureServe
G2 Imperiled
Global rank last reviewed 11 May 2009.
Subnational ranks
- Virginia
- S2 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
Not listed under the U.S. Endangered Species Act.
Other resources
References
- Gladstone, N.S., Niemiller, M.L., Hutchins, B., Schwartz, B., Czaja, A., Slay, M.E. & Whelan, N.V. 2022. Subterranean freshwater gastropod biodiversity and conservation in the United States and Mexico. Conservation Biology 36: e13722. doi:10.1111/cobi.13722
- Kabat, A.R. & Hershler, R. 1993. The prosobranch snail family Hydrobiidae (Gastropoda: Rissooidea): review of classification and supraspecific taxa. Smithsonian Contributions to Zoology 547: 1–94. https://repository.si.edu/bitstream/handle/10088/5560/SCtZ-0547-Lo_res.pdf. details
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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