Domed Cavesnail
Phreatodrobia nugax (Pilsbry & Ferriss, 1906)
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Mollusca |
| Class | Gastropoda |
| Order | Littorinimorpha |
| Family | Cochliopidae |
| Genus | Phreatodrobia |
| Species | Phreatodrobia nugax (Pilsbry & Ferriss, 1906) |
Synonyms
Valvata micra nugax Pilsbry & Ferriss, 1906
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
Distribution
Type locality
Spring along San Antonio R., Bexar Co., TX
Range
Known from Texas in the Edwards Plateau and Balcones karst region.
Continent
North America
Country
United States
States and provinces
Texas
Counties
County-level records have not been compiled for this taxon. Distribution is recorded at state and karst-region level.
Karst regions
Edwards Plateau and Balcones
Genetics
Molecular resources
| Marker | Molecule | Sequences | Length | Exemplar |
|---|---|---|---|---|
| COI | mitochondrial | 9 | 364-609 bp | OR372110.1 |
| 28S | nuclear | 4 | 576-644 bp | PP860051.1 |
13 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.
Download all 13 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.
Specimens
Type material
- Holotype
- MO359089 · Academy of Natural Sciences of Drexel University
- Lectotype
- MO77574 · Academy of Natural Sciences of Drexel University
- Paratype
- MO508796 · Academy of Natural Sciences of Drexel University
Collections holding material
| Institution | Lots |
|---|---|
| Edwards Aquifer Research and Data Center, Texas State University | 71 |
| National Museum of Natural History, Smithsonian Institution | 26 |
| Academy of Natural Sciences of Drexel University | 3 |
| Florida Museum of Natural History | 3 |
103 cataloged lots in 4 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 103 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
IUCN Red List
DD Data Deficient
Assessed in 2012.
NatureServe
G1G2 Critically Imperiled to Imperiled
Global rank last reviewed 25 March 2014.
Subnational ranks
- Texas
- S3 Vulnerable
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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