Holsingerius samacos (Holsinger, 1980)
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Amphipoda |
| Family | Hadziidae |
| Genus | Holsingerius |
| Species | Holsingerius samacos (Holsinger, 1980) |
Synonyms
- Texiweckelia samacos Holsinger, 1980 (prior combination, CoL)
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
Distribution
Range
Known from two counties in Texas in the Edwards Plateau and Balcones karst region.
Continent
North America
Country
United States
States and provinces
Texas
Counties
- Texas
- Bexar, Hays
Karst regions
Edwards Plateau and Balcones
Specimens
Type material
- Holotype
- USNM 171148 · National Museum of Natural History, Smithsonian Institution
- Paratype ×2
- Canadian Museum of Nature
- Paratype ×7
- National Museum of Natural History, Smithsonian Institution
- Paratype
- ZMA.CRUS.A.106392 · Naturalis Biodiversity Center
Collections holding material
| Institution | Lots |
|---|---|
| Edwards Aquifer Research and Data Center, Texas State University | 55 |
| University of Texas, Biodiversity Center, Entomology Collection | 12 |
| National Museum of Natural History, Smithsonian Institution | 8 |
| Canadian Museum of Nature | 2 |
| Naturalis Biodiversity Center | 1 |
78 cataloged lots in 5 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 78 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
NatureServe
G1G2 Critically Imperiled to Imperiled
Global rank last reviewed 21 August 2002.
Subnational ranks
- Texas
- S3 Vulnerable
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
- Hershler, R. & Longley, G. 1986. Phreatic hydrobiids (Gastropoda: Prosobranchia) from the Edwards (Balcones Fault Zone) Aquifer region, south-central Texas. Malacologia 27: 127–172. https://repository.si.edu/bitstream/handle/10088/11313/iz_HershlerLongley1986a.pdf?sequence=1&isAllowed=y. 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.
Spotted something wrong on this page? Report a correction. Accounts are compiled from many sources and corrections from people who know the group are the most useful email we get.